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21 mar 2013 · In this case you can't just set a DATETIME to an empty string. Try it: SELECT CONVERT(DATETIME, ''); One workaround is to present your date as a string: CASE WHEN CONVERT(DATE, CreatedDate) = '1900-01-01' -- to account for accidental time THEN '' ELSE CONVERT(CHAR(10), CreatedDate, 120) + ' ' + CONVERT(CHAR(8), CreatedDate, 108) END
19 sty 2001 · The solution is in-fact a workaround or a quick fix than a total solution, since a blank date can be either a NULL or 1900-01-01. However, converting the date into a string does relieve us from showing irrelevant data to our clients. Date and Time are not character values and therefore, you must handle it carefully. ← Previous
21 lip 2018 · To convert a date to a string, you use the CAST() function as follows: CAST(date AS string) Code language: SQL (Structured Query Language) (sql) In this syntax: The date can be a literal or an expression that evaluates to a DATE value. The string can be any character string data type such as VARCHAR or TEXT. The CAST() function returns a string ...
17 lis 2015 · You can't get an empty string because you're returning the DATE value type from ISNULL. Per the docs, ISNULL. Returns the same type as check_expression. If a literal NULL is provided as check_expression, returns the datatype of the replacement_value.
SQL Server comes with the following data types for storing a date or a date/time value in the database: DATE - format YYYY-MM-DD. DATETIME - format: YYYY-MM-DD HH:MI:SS. SMALLDATETIME - format: YYYY-MM-DD HH:MI:SS. TIMESTAMP - format: a unique number.
12 cze 2012 · The statement is as simple as. $t= 1339455660; echo date('l, d F Y H:i:s', $t); // not working. For some reason the above function returns an empty string: " " What could be the reason? EDIT: $t= 1339455660; echo date('l, d F Y H:i:s'); // works returns desired result. echo date('l, d F Y H:i:s', $t); // returns " " #wierd. php. date.
22 sty 2022 · As MySQL supports only particular date formats, you need to format the dates before inserting dates into the DB; otherwise, the DB will throw an error. This article will introduce how to format dates in PHP before inserting them into a MySQL DB.
