The Dangers of Dynamic SQL. The following methods can be used to execute raw SQL queries to the database using Entity Framework 6. Value Array Boolean Bytes A string starts and ends with a single quote. 1) Check if string is made of only 1 character: There may be a case when source is sending you some data with some filler values. Building a Comma Delimited String from Data in a SQL Table For those of you who are also into SQL Server and haven't checked out www. It’s probably easier to understand with a quick demonstration: -- QUOTED_IDENTIFIER being off lets me use "s (double quotes) -- around the string to simplify things with the 's (single quotes). The statement must be on a single line. Group_concat() is the function returns a string with the concatenated non-NULL value from a group. It will save a lot of time. Our final query that creates a dynamic pivot table looks. Split a column with delimited string into multiple columns. Strings can be placed either between single quotes ' or double quotes " and they have slightly different behavior. Performing string manipulation is very common regardless of the RDBMS that we use. T-SQL Script to Split a column with delimited string into multiple columns This article is about multiple ways of splitting a column with delimited string into multiple columns. glue_sql() makes constructing SQL statements safe and easy. If you want to be prompted for a value, simply reference the value with a quotation mark in front of its name: SELECT id FROM person WHERE name like '$[?search_name]%'. Alternatively you can enclose all values within single quotes ' '. In SQL Server, if any expression is NULL, + operator returns NULL for the entire expression (by default), while CONCAT treats NULL value in any expression as '' (empty string). Once the string is in the compiled code, there's no such thing as a verbatim string literal vs a regular string literal. To do this, we will use Dynamic SQL. In such cases, you have to escape single quote to avoid any errors. How to imbed apostrophe inside a string? The following Microsoft SQL Server T-SQL code samples demonstrate the usage of double apostrophes/single quotes and CHAR(39) to represent an apostrophe inside a string which is enclosed in single quotes. Add two quotes (') instead of a single quote and SQL Server will store the single quote along the string in. ) using the usual Java JDBC technology from your Scala applications. Build the Dynamic Pivot Table Query In this section, we will combine the above two queries to can build our Dynamic Pivot. For the purposes of this question let's say I want t. replace(string inStringToBeReplaced, string. Query result set - 8 rows returned: Practice #4: Use two single quote characters instead of escaping. '''triple single quote''' map. In this case, the extra characters at the end of from_string have no corresponding characters in to_string. SQL script to execute. Below user-defined scalar function help you to wrap a string in single quotes for a dynamic TSQL statement. Syntax 2 of the EXECUTE statement is implemented for Transact-SQL compatibility, but can be used in either Transact-SQL or Watcom SQL batches and procedures. This rule enforces the consistent use of either backticks, double, or single quotes. Use quote_ident(), quote_literal(), and quote_nullable() to properly format your identifiers and literal. In this episode we're going to learn how to include a single quote in a SQL query. There are lots of string functions available like substr, instr, lpad, rpad etc. There are three kinds of strings in PL/SQL: Fixed-length strings. If you select the second and fourth check boxes in the form, the following statement gets sent to the database:. It might be worthwhile to write a procedure to handle quoting the strings, to deal with the possibility of embedded quotes in the strings. Our final query that creates a dynamic pivot table looks. It will allow us to pass in a string variable as the SQL Statement. We can fix that by using some of the string manipulation functions in SQLite. The user input is enclosed in the single quotes and concatenated to a string to form SQL query. You may also have noticed that we put the Los Angeles string value into single quotes. Double Quotes. It must be of type CHAR or VARCHAR2, not NCHAR or NVARCHAR2. pattern is a SQL regular expression pattern. replacing single quote while loading data oracle 9. Going back a few steps in the example, if you were less careful when typing out our select statement, you might run into the problem below. It’s probably easier to understand with a quick demonstration: -- QUOTED_IDENTIFIER being off lets me use "s (double quotes) -- around the string to simplify things with the 's (single quotes). Apostrophe is the same as single quote. During developing any Netezza dynamic SQL queries, you can display that query and see if it is perfect. Applying an equality filter restricts data that can be inserted into the new view. SQL Server database design best practices and tips for DBAs. Thus, you need to put quotes around the part name in MS Access since it is just a string expression, but you should NOT use quotes in SQL Server – just enter the value directly. There may be one or more different entries. replace(string inStringToBeReplaced, string. Fortunately Oracle SQL supports exactly this, in the form of collections. I saw the new Q-quote that came with 10g, but could find few good examples of how to use it. Support for Dynamic SQL¶ Stored procedures can be used to dynamically construct SQL statements. NET to Java, from iOS to Android, from Python to PHP and ROR, and many others! How to Escape Wildcard Characters While Searching in SQL Server - BurnIgnorance. Build Dynamic SQL in a Stored Procedure After reading this article you will understand the basics of dynamic SQL; how to build statements based on variable values, and how to execute those constructed statements using sp_executesql and EXECUTE() from within a stored procedure. There are many SQL functions that let you “edit” string data. The method returns the result of the SQL query as a Table. Using SqlParameter in SqlCommand is a great way to pass variable into SQL statement and prevent SQL Injection, it is rather simple to implement as well, basically all you need to do is to declare the parameter name in your SQL statement or stored procedure and make sure that you add the parameter with the specified parameter name into the SQL command parameters. and inner two represent 1 single quote to be output. Strings and Manipulations To indicate a quote you double the quote within text, so your orginal VBA example could be simplified to. SQL Server: Literals. How do I get a single quote (') in a NVARCHAR string in MS SQL Server?e. But, I assume that to get a single quote printed within a string, you need to prefix that single quote with another single quote as an. it should be enclosed in quotes) and Use Transaction which is optional: The second argument concerns Transaction Processing and assumes True if you omit it. Question: How can I handle apostrophes and single quotes in strings? As you know, single quotes start and terminate strings in SQL. Follow the sample code: public static String getRowById(String sobjName, id id) { String query = 'SELECT '; Map cat t. The truly awful part is round-tripping the SQL between a query editor and C# for tuning or investigation purposes because you have to strip out all those double-quotes and plus signs. Below are couple of methods. SQL Grammar Index Literals. I use SQL Server 2012 to demonstrate the technique. It took some time for me to master the art of triple, quadro, etc. For a good application of using the EXEC statement, be sure to read: Using the IN Notation in Stored Procedures ; for a thorough discussion on the. You can construct arrays of simple data types, such as INT64 , and complex data types, such as STRUCT s. Single string based schemas do not support nested fields, repeated fields, or specifying a BigQuery mode for fields (the mode will always be set to NULLABLE). In this case, the extra characters at the end of from_string have no corresponding characters in to_string. I'd use a here-string (either double or single quoted) That will keep all the quoting intact, and avoid having to do any escaping or mental parsing to figure out which quotes the parser will leave and which ones it will strip off. The simplest method to escape single quotes in Oracle SQL is to use two single quotes. SELECT ‘O”Reilly’ AS quoted_string. The type may be a label and a tenet for SQL to know what variety of data is anticipated within every column, and it additionally identifies. Are you using dynamic sql? If there is a single quote inside a variable then you don't need to escape it. The arguments replaces the corresponding named placeholders and the string 'cat' is formatted accordingly. Find the number of. Using string functions in your Access SQL queries: When writing our SQL queries in Access there may be times when we want to manipulate the data that is contained in the columns rather than just returning the whole column value. ; Above figures show the database version as 5. Suppose you have a string variable strName having string value "Asp. This is useful for when you want to create a dynamic string that changes based on some conditions. QUOTENAME (Transact-SQL) 03/14/2017; 2 minutes to read +4; In this article. Somebody wanted to know how to strip double quotes from strings. Starting in Oracle 10, you might find Q-notation easier to use:. Strings can be placed either between single quotes ' or double quotes " and they have slightly different behavior. you find a need for dynamic SQL and then the "count the. escape-character: the escape character. This string must be enclosed in single quotation marks (‘). The UPDATE statement updates data values in a database. Escape Character In Microsoft SQL Server 2000 Here's something I was spent half a morning trying to find out: how do I escape a single quote ( ' ) in Microsoft SQL Server 2000? I first tried the most obvious character- the backslash ( \ ), but that didn't work. What other ways are there to force SAS to resolve the macro variable inside single quotes? Thanks. Now, when you have single string, this is easy to do. Unlike the basic Spark RDD API, the interfaces provided by Spark SQL provide Spark with more information about the structure of both the data and the computation being performed. How do I encapsulate them in a string variable. In this tutorial, lear. str = `Hello string`. Because strings must be written within quotes, JavaScript will misunderstand this string: var x = "We are the so-called "Vikings" from the north. It will save a lot of time. single quotes in single quotes be used like this select '''' from dual all are single quuotes outer two are for enclosing the string literal. There are lots of string functions available like substr, instr, lpad, rpad etc. you find a need for dynamic SQL and then the "count the. This SQL Server tutorial explains how to use literals (strings, integers, decimals, and datetime values) in SQL Server with examples. SQL SERVER - How to insert a string value with an apostrophe (single quote) in a column June 13, 2013 by Muhammad Imran How to insert a string value with an apostrophe (single quote) in a column is a general problem?. Using Backticks, Double Quotes, and Single Quotes when querying a MySQL database can be boiled down to two basic points. Doma supports SQL templates, called “two-way SQL”. Some sql trim off unneeded spaces or characters; others tell you how. SQL string functions are among most important SQL’s tools. The trailing " AND " is removed before applying the string to the Filter of the form. There may be one or more different entries. Whenever you use string (character) values in your SQL queries, you have to put them between single quotes. Home / SQL String Functions / SQL REPLACE Function: Search and Replace String in Database SQL REPLACE Function: Search and Replace String in Database Summary : in this tutorial, you will learn how to use the SQL REPLACE function to search and replace all occurrences of a substring with another substring in a given string. For a good application of using the EXEC statement, be sure to read: Using the IN Notation in Stored Procedures ; for a thorough discussion on the. Use backticks to quote identifiers, normal strings and numbers are quoted appropriately for your backend. However, to make the SQL statement more readable, we will use the uppercase letter for the SQL keywords such as SELECT and FROM and the lowercase letters for the identifiers such as table name and column name. employees table. As mentioned previously, everything enclosed in single quotes is treated literally, including the back quote and the special escape sequences which are described in the next section. 36-cll-lve STEP 7: Dumping Database Tables. Javascript is disabled or is unavailable in your browser. Quotes (Single and Double) are used around strings. Hi, How do I handle a single quotation within dynamic SQL. In its most basic form, Oracle EXECUTE IMMEDIATE takes only a single parameter and that is a command string. The method returns the result of the SQL query as a Table. It takes a little getting used to. Why? Because the SQL spec says so, that's why :) I've never gone so far as to research why the language designers did this, but I suspect the reason is that you tend to use characters like "/" and "-" in date. What other ways are there to force SAS to resolve the macro variable inside single quotes? Thanks. It is a common issue, how to pass parameters to a SQL statement so that I can select any range of dates or, perhaps, just one employee’s data. "double quote" map. """triple double quote""" map. Sql Server doesn't care. Therefore, we must manually create a list of. Tableau then wraps the %1 in single-quotes, which means your resulting expression starts with '' (two single-quotes). You can use named parameters like this:. When constructing a single SQL statement in a dynamic string, do not include a semicolon (;) at the end inside the quotation mark. SQL injection happens when you interpolate some content into an SQL query string and the content modifies the syntax of your query in ways you didn’t intend. employees table. Whenever you use string (character) values in your SQL queries, you have to put them between single quotes. Please notice that there are single quotes in my string. A multiple row insert is a single insert statement that inserts multiple rows into a table. If you regularly make write invoices to companies, you will have a Company table that contains all the company's details including a CompanyID field, and a Contract table that stores just the CompanyID to look up those details. How to Create Comma Separated Strings from List of Strings in C#?. Strings can have spaces: "hello world". The term "dynamic SQL" refers to SQL commands that are interpreted at runtime. You can use named parameters like this:. A Comma-Separated Values (CSV) file is just a normal plain-text file, store data in column by column, and split it by a separator (e. Escaping single quotes (‘) in Transact-SQL is done by replacing the single quote with two single quotes. You need to escape the single quotes with one of the supported escape sequences—otherwise MySQL can't tell the quotes delimiting your string apart from the quotes you want to have inside it. It is a very big sql string. All I need to do is enter a formula of a cell to reference another one. Double the quotes when you write dynamic SQL, but then you have dynamic SQL creating dynamic SQL, now it’s quadruple the quotes. If your organization allows nonstandard SQL queries , non-English characters in a string literal must be escaped with N (for example, N'针叶林' ). For dynamic SQL statements: If DYNAMICRULES run behavior applies, the string delimiter and escape character is the value of field SQL STRING DELIMITER on installation panel DSNTIPF at the local DB2 when the statement is prepared. Single quoted strings. to perform string manipulation. The single quote is the escape character in Oracle SQL. You can also use the following notation to define your own delimiter characters for the literal. Imagine what it would look like with hundreds of extra single quotes. Double the quotes when you write dynamic SQL, but then you have dynamic SQL creating dynamic SQL, now it’s quadruple the quotes. This works and inserts data into table as I have checked it in the database. The exact string of characters entered into the parameter will be substituted into the report’s SQL code wherever {{ order_min }} is written when the query is executed. Syntax 2 of the EXECUTE statement is implemented for Transact-SQL compatibility, but can be used in either Transact-SQL or Watcom SQL batches and procedures. Reverse Sub-string Slicing in Python. NET is an update to Visual Basic that targets Microsofts. Run and see the result. SQL allows users to access data in relational database management systems. Below is All built-in Sql string function :. In these situations, you must use native dynamic SQL instead of the DBMS_SQL package: The dynamic SQL statement retrieves rows into records. In such cases, you have to escape single quote to avoid any errors. Two single-quotes (without aby kind of escape) is correct. The RunSQL method prompts you for two arguments, the SQL Statement itself which must be supplied as a string (i. When using constants, you should enclose the match strings and character strings in single quotes. You need to escape the single quotes with one of the supported escape sequences—otherwise MySQL can't tell the quotes delimiting your string apart from the quotes you want to have inside it. Every day when I woke up there are hundreds of emails with various questions related to SQL. Quotename: Returns a Unicode string with the delimiters added to make the input string a valid SQL Server delimited identifier. You  can further concatenate and build a dynamic SQL query as demonstrated below. import" command included them as well as some unwanted white space as part of each string. in apostrophe then you have to concatenate your string with double quotes on both sides. firstname is a period expression. Text, character, and string literals are always surrounded by single quotation marks. Syntax 2 of the EXECUTE statement is implemented for Transact-SQL compatibility, but can be used in either Transact-SQL or Watcom SQL batches and procedures. Dynamic SOQL refers to the creation of a SOQL string at run time with Apex code. In my earlier article, I developed a solution How to use multiple values for IN clause using same parameter (SQL Server). Variable expansion in strings and here-strings. the problem is that the other cell I need to reference is on another sheet. Query result set - 8 rows returned: Practice #4: Use two single quote characters instead of escaping. I've tried different variations of single and double quotes to get this to work but so far I've not been successful. Unlike the basic Spark RDD API, the interfaces provided by Spark SQL provide Spark with more information about the structure of both the data and the computation being performed. It is to be remembered that createStatement (String) method Connection interface returns an object of Statement interface. Dealing with single quotes in a dynamic query [closed] so I guess this is a SQL injection vulnerability, right? I tired with above but it doesn't escape the. This gives you a choice between Nested Table types and VARRAYs. We have also covered some of them in our previous blog posts. You can achieve this by prefixing the single quote which you intent to insert by an additional single quote (‘). Because the literal string is enclosed in two single quotes, we need to escape the one inside the string by using escape character backslash \. The simplest method to escape single quotes in Oracle SQL is to use two single quotes. I assume that you are creating dynamic SQL on the fly in your code? If this is so then you will need to replace your single quote with two single quotes. The maximum size for a single Amazon Redshift SQL statement is 16 MB. Note, getInt (), getString () and getDouble () are the methods of ResultSet interface. Because strings must be written within quotes, JavaScript will misunderstand this string: var x = "We are the so-called "Vikings" from the north. The solution some like is to use to always use either single quotes or double quotes for delimiters. The query above uses a single quote character inside the literal string. SQLException: ORA-00933: SQL command not properly ended. Use Two Single Quotes For Every One Quote To Display. escape-character: the escape character. In this case the current culture is used to convert the string to the specific value. Values can also be manually concatenating the quotes (Listing 4a, macro variable ‘E3’; results are presented in Listing 4b). When we supply some parameter in WHERE condition of SQL server to compare with DATETIME data type, we must check that is the input string parameter supports the DATETIME data type. Being able to interpret any string (or variable) as a SQL statement is a really useful and powerful feature; unfortunately, as happens with most powerful tools, it is really easy to misuse it and leave the door open for somebody to abuse it. Suppose you have a string variable strName having string value "Asp. There are times you need to just bring back large result sets in a file, local to your client computer. Enclose strings and date/time values in 'single quotes' To specify date values, use the Date Format as specified in Company Information; To search for a blank (empty) string, use two single quotes, with nothing between them (''). It's probably easier to understand with a quick demonstration: -- QUOTED_IDENTIFIER being off lets me use "s (double quotes) -- around the string to simplify things with the 's (single quotes). SQL Coalesce function - how to use it with examples. The final step is to execute this SQL query stored as a text string. surrounded by a quote character (‘field name’). SQL SERVER – How to insert a string value with an apostrophe (single quote) in a column June 13, 2013 by Muhammad Imran How to insert a string value with an apostrophe (single quote) in a column is a general problem?. Dynamic SQL allows an application to run SQL statements whose contents are not known until runtime. Composable (wrapped) ¶ Abstract base class for objects that can be used to compose an SQL string. Dynamic SQL is a programming technique that enables you to build SQL statements dynamically at runtime. So: SELECT 'I went to Kinko''s' Returns “I went to Kinko’s” The only case where two consecutive single quotes don’t return a single quote is when the first one also starts the string. To create a table schema in Python, you can either use a TableSchema object, or use a string that defines a list of fields. Here we go:. Starting in Oracle 10, you might find Q-notation easier to use:. Hi, How do I handle a single quotation within dynamic SQL. The doubled-up delimiter is now treated as a normal character. net" and on print it will print as Asp. Getting a value from a table: DLookup() Sooner or later, you will need to retrieve a value stored in a table. replace(string inStringToBeReplaced, string. Select the desired columns for parsing later. You must be building your SQL dynamically, and the quote within the sting is being interpreted as the end of the string. It will save a lot of time. This short article introduces Oracle's new quoting mechanism in PL/SQL. Below user-defined scalar function help you to wrap a string in single quotes for a dynamic TSQL statement. Not to mention exposure to SQL injections. Instead of the parameter being a search string to the SQL query, the user input has become the part of the query as it is enclosed inside the single quotes. A zero-length character string can be specified as two single quotation marks without any characters inside the quotation marks. The simplest method to escape single quotes in Oracle SQL is to use two single quotes. The expression '\'' is a complete string (containing just one single quote), and the usual SQL shenanigans follow. Strings can be placed either between single quotes ' or double quotes " and they have slightly different behavior. SELECT @strsql = "SELECT * FROM tblTest WHERE Field1 Like 'blah''Obviously this is invalid as the single quote before "blah" would end thevarchar string. SQL in VBA was the only thing that was missing for me. Search SQL Server. The exact string of characters entered into the parameter will be substituted into the report’s SQL code wherever {{ order_min }} is written when the query is executed. We put unique data values from a column in the PIVOT clause to render them as multiple columns in aggregation with other columns required in the output. The multiple single quote sequences are quite counter intuitive. And then there is the case of large dynamic SQL. All valid R code works in expressions, including braces and escaping. You got this requirement " Create an SSIS Package that should read the data from SQL server Table and create an Excel file with Datetime and load data from SQL server Table". Dynamic SQL by Mike Benkovich. How do I get a single quote (') in a NVARCHAR string in MS SQL Server? e. Because if you use string concatenation (like you do now) to create your command, you are not protected against SQL Injection [ ^ ]. You want to use the SQL cursor attribute %FOUND, %ISOPEN, %NOTFOUND, or %ROWCOUNT after issuing a dynamic SQL statement that is an INSERT, UPDATE, DELETE, MERGE, or single-row SELECT statement. Name of the step; This name has to be unique in a single transformation. SQL in VBA was the only thing that was missing for me. APPLIES TO: SQL Server Azure SQL Database Azure SQL Data Warehouse Parallel Data Warehouse Returns a Unicode string with the delimiters added to make the input string a valid SQL Server delimited identifier. Returns a Unicode string with the delimiters added to make the input string a valid SQL Server delimited identifier. Read this line. If you must use dynamic SOQL, use the escapeSingleQuotes method to sanitize user-supplied input. SQL WHERE IN Examples Problem: List all suppliers from the USA, UK, OR Japan SELECT Id, CompanyName, City, Country FROM Supplier WHERE Country IN ('USA', 'UK', 'Japan'). I am exporting a report to excel with the excel buffer. Then within those single quotes every four single quotes represent a single single quote. /slashy string/ map. The query uses group_concat which packs multiple rows into a single string. Another example, using extended slicing, can get the sub-string in reverse order. This is really important. SELECT ‘O”Reilly’ AS quoted_string. The first one acts like an escape character. Javascript is disabled or is unavailable in your browser. For dynamic SQL statements: If DYNAMICRULES run behavior applies, the string delimiter and escape character is the value of field SQL STRING DELIMITER on installation panel DSNTIPF at the local DB2 when the statement is prepared. The statement is built up as a string by the application and is then passed to the server, in a similar way to the ADO interface in VB. The query above uses a single quote character inside the literal string. The SQLPerformance. A Comma-Separated Values (CSV) file is just a normal plain-text file, store data in column by column, and split it by a separator (e. I'm trying to filter out the zls (0 length strings). we use single quotted string as a part of dynamic sql is also a string so how am I. In this episode we're going to learn how to include a single quote in a SQL query. SQL SERVER – How to insert a string value with an apostrophe (single quote) in a column June 13, 2013 by Muhammad Imran How to insert a string value with an apostrophe (single quote) in a column is a general problem?. So this is the barrier i am now trying to cross. You can achieve this by prefixing the single quote which you intent to insert by an additional single quote ('). However, I suggest to use a parameterized query instead of escaping the string. chr = 'Hello char'. employees table. This is most-often found within web pages with dynamic content. Execute Raw SQL Queries in Entity Framework 6. import" command included them as well as some unwanted white space as part of each string. The truly awful part is round-tripping the SQL between a query editor and C# for tuning or investigation purposes because you have to strip out all those double-quotes and plus signs. Apostrophe is the same as single quote. str = `Hello string`. Imagine what it would look like with hundreds of extra single quotes. This is just a portion of the SQL. Because of this, you should always use single quotes unless you specifically need variable interpolation to be done on that string. SQL injection (SQLi) is an application security weakness that allows attackers to control an application’s database – letting them access or delete data, change an application’s data-driven behavior, and do other undesirable things – by tricking the application into sending unexpected SQL commands. Date, or %Library. To change a query statement, configure a string variable in the query for the portion of the query you want to change. Notice that SQL is case-insensitive. Above figures show the database name found is leettime_761wHole. I have fairly strong feelings when it comes to the stored procedures versus dynamic SQL argument, but one thing is clear: you should never, ever use concatenated SQL strings in your applications. Then you type a single quote, followeed by your starting delimiter for. Once PowerApps receives the text string, all that remains is to parse the string back into an array using the Split() function and AddColumns(). without comments. SQL SERVER - How to insert a string value with an apostrophe (single quote) in a column June 13, 2013 by Muhammad Imran How to insert a string value with an apostrophe (single quote) in a column is a general problem?. Dealing with single quotes in a dynamic query [closed] so I guess this is a SQL injection vulnerability, right? I tired with above but it doesn't escape the. In this way the parameter can be made dynamic and almost any other properties can be set. glue_sql() makes constructing SQL statements safe and easy. String Manipulation To manipulate strings, we can use some of Pythons built-in methods. You choose a character that is not present in the string, and then do not need to escape other single quotation marks inside the literal:-- q'!!' notation to use single quotes inside the literal string_var := q'!I'm a string, you're a string. For parameterized dynamic SQL statements, use the USING clause. I'd like to escape single and double quotes while running a command under a different user. Glad you got it working, but there's no need for all that code! If your names will never contain doublequotes, you can just use " as a delimiter and not worry about the apostrophes at all; or, if you want to replace the single quotes (any number of them) with two consecutive singlequotes, you need only one line:. The query above uses a single quote character inside the literal string. To escape (make literal) a single quote within the string, you may type two adjacent single quotes. In other words, placing variables and special characters (Table 1. String option: "double" (default) requires the use of double quotes wherever possible. SQL WHERE IN Examples Problem: List all suppliers from the USA, UK, OR Japan SELECT Id, CompanyName, City, Country FROM Supplier WHERE Country IN ('USA', 'UK', 'Japan'). To quote the column name in the SQL string, you must escape it. You can escape it by replacing the single quote by two single quotes: ''. Below is All built-in Sql string function :. For example, the following are all invalid JSON strings: "{test: 1}" (test does not have double quotes around it). You can create more general purpose, flexible applications by using dynamic SQL because the full text of a SQL statement may be unknown at compilation. I am exporting a report to excel with the excel buffer. We will use this stored procedure to execute the query stored in the @Query variable. Strings must always be enclosed in single quotation marks in queries, for example: STATE_NAME = 'California' Strings are case sensitive in expressions. Most programming language will have a string terminator. I spend my first hour of the day answer each of them. we use single quotted string as a part of dynamic sql is also a string so how am I. Sanitization modifies the input to ensure that it is valid (such as doubling single quotes). If you want to find the string test_string% , then your T-SQL like clause would look like the following: select * from table where column like 'test[_]string[%]' P. Have you looked at what the stored procedure is doing? If it's building dynamic SQL and you've forgotten to REPLACE() the single quotes before appending the parameter value, you would get this. According to Open Web Application Security Project (), injection attacks are number one on the 2010 list of threats to be aware of in web application development. 7 Using Dynamic SQL. Are you using dynamic sql? If there is a single quote inside a variable then you don't need to escape it. 2 Until 12c, the only types of collection that SQL can handle are those you define in SQL - types defined in a PL/SQL package are not recognised (PL/SQL understands SQL, not the other way around). Those 2 values form the basis for power BI dynamic parameters, which then filters the Allowed Machine Type I have all the tables and Power queries working, so thanks for that. In this case we are doing it based on a po# entered in the screen in our SQL comparing it to our order header ship to PO#. Script Name Dynamic SQL: Don't concatenate, bind!; Description When you are writing a program with dynamic SQL in it (that is, you construct your statement at runtime and execute it with EXECUTE IMMEDIATE or DBMS_SQL - most likely and preferably the former), you should make sure to bind all variable values into that statement, and not concatenate. Oracle EXECUTE IMMEDIATE - Dynamic SQL and Bulk Operations.