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#Convert datetime to string sql how to#

In this tutorial, you have learned how to use the CAST() and TO_CHAR() functions to convert a date to a string in SQL. The following example uses the TO_CHAR() function to format the current date using the YYYY-MM-DD format in Oracle: SELECT The following illustrates the syntax of the TO_CHAR() function: TO_CHAR(value, format) You can use the TO_CHAR() function to format a date as a string. Definition and Usage The CONVERT () function converts a value (of any type) into a specified datatype. In SQL Server 2012 or later you can use the Format () function to get this result: Select Format (YourColumn, N'yyyyMMddHHmmss') Share. The DB2, Oracle, MySQL and PostgreSQL provide a function named TO_CHAR() that has a similar feature to the CAST function. Convert date to string using TO_CHAR() function 10 Answers Sorted by: 183 The following query will get the current datetime and convert into string. The following statement returns the current date and time as a date and as a string: SELECT CURRENT_TIMESTAMP 'date',ĬAST( CURRENT_TIMESTAMP AS VARCHAR) 'date as a string' Įven though CAST() is a standard-SQL function, not so many database systems support it. The CAST() function returns a string that represents the date.

The string can be any character string data type such as VARCHAR or TEXT. Definition and Usage The CONVERT () function converts a value (of any type) into a specified datatype.

The date can be a literal or an expression that evaluates to a DATE value.

To convert a date to a string, you use the CAST() function as follows: CAST(date AS string)Ĭode language: SQL (Structured Query Language) ( sql ) Convert date to string using CAST() function SELECT CONVERT(VARCHAR, GETDATE()) AS String Try it live The VARCHAR argument specifies that the output is a string value. Example This example converts the current datetime to a string. Use CONVERT or TRYCONVERT to perform this operation. SQL Server : - 3rd parameter specifies 112 style (Date 'YYYYMMDD' format) SELECT CONVERT (CHAR( 8), GETDATE (), 112) 20170406. In MariaDB you can use the DATEFORMAT function. WHERE B.Summary: in this tutorial, you will learn various functions to convert a date to a string in SQL. SQL Convert DATETIME to String Converting a datetime to a string value is a common requirement. In SQL Server you can use CONVERT function to convert a DATETIME value to a string with the specified style (string format).

Note that TRYCONVERT function is available since. TRYCONVERT (DATETIME, Specified by NLSDATEFORMAT. In Server, you can use CONVERT or TRYCONVERT function with an appropriate datetime style. SET = 'SELECT B.FacId, B.FacName, B.BookCode, B.BookName, B.Quantity, B.TillDate AS TILLDATE FROM B In Oracle, TODATE function converts a string value to DATE data type value using the specified format. Pass the parameters directly in to sp_executeSQL and thus preserve their types e.g.Don't use dynamic SQL at all, maybe doesn't vary that much and you can union them in to a view or something.Thus you can fix it by: SET = 'SELECT B.FacId, B.FacName, B.BookCode, B.BookName, B.Quantity, CONVERT(VARCHAR(10), B.TillDate, 104) AS TILLDATE FROM B WHERE B.TillDate BETWEEN as varchar(15))+', 101) and CONVERT(VARCHAR(10), as varchar(15))+'), 101)' I'd like to see your variable definitions but I suspect it's because and are datetime and you're using them in a string concatenation statement. Doing a convert(,101) is an expensive operation which can better be done using the casting to float and taking floor of that value. The way the date part of the datetime variables is removed is not very optimal.The syntax for this is CONVERT(datatype(length), expression, style). The table name is wrapped in the QUOTENAME() function which protects against sql injection on the object name In SQL Server, you can use the CONVERT() function to change the format of a date.Some additional changes were applied to the query: This again protects agains SQL Injection and it makes the query more readable as you prevent the quote soup which is so common in Dynamic SQL

The 3rd and 4th parameter keep their original datatype and do not need to be converted to a varchar. Summary: in this tutorial, you will learn how to convert a string to a datetime in SQL Server using the CONVERT() and TRYCONVERT() function.WHERE B.TillDate BETWEEN as float)) as datetime)ĮXEC sp_executesql datetime, datetime', to note about sp_executesql are: , CONVERT(VARCHAR(10), B.TillDate, 104) AS TILLDATE The best solution is to use a parameterized query with sp_executesql. You should not concatenate your parameter values like this.