![]() SELECT CONVERT ( DATETIME, '2012.06.30 11:10:09. I tried using sql substring, but when I run the query using 'date' function in sql, it doesn't work on the date format I have. It will NOT convert a varchar column to anything other than the original data. To convert a String to Date, first need to create the SimpleDateFormat or LocalDate object with the data format and next call parse method to produce the date object with the contents of string date. SELECT CONVERT ( DATETIME, ' 11:10:09.333' ) Your code will convert a datetime to the display format you desire. SELECT CONVERT ( DATETIME, ' 11:10:09' ) Oracle and PostgreSQL provide the TODATE () function that converts a string to date based on a specified format. SELECT TODATE('20200710', 'YYYYMMDD') I would recommend just keeping the date data type. SELECT CONVERT ( DATETIME, '2012.06.30' ) To convert to a date data type, you would use. ISO date formats with various delimiters recognized by default (year, month, day) SELECT CONVERT ( DATETIME, '' ) Note that when converting a string to datetime, both CONVERT and TRY_CONVERT recognize ANSI/ ISO datetime formats with various delimiters by default, so you do not need to specify a style for them.Īn ANSI/ ISO format is year, month, day, hour, minute, seconds, fractional seconds (YYYY-MM-DD HH24:MI:SS.FFF) where trailing parts can be omitted so you can specify YYYY-MM-DD, or YYYY-MM-DD HH24:MI etc.
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