Category Archives: SQL-Server

T-SQL: Remap SQL users

bschelst/ February 11, 2019/ SQL-Server/ 0 comments

If you copy (backup/restore) a database from system A to system B, it is possible that the SQL users won’t be able login and this because the GUID/SID of the users on system A doesn’t match the GUID/SID of system B. It is using the EXEC sp_change_users_login ‘Auto_Fix’, which inks a user entry in the sys.database_principals system catalog view in

Read More

T-SQL: Flush memory cache for testing purposes

bschelst/ February 11, 2019/ SQL-Server/ 0 comments

SQL server is of course caching data, in order to minimize access to disks. Sometimes you want to clear that memory, for testing purposes for example. You can use DBCC commands in order to clear the system / proc / session cache. See the SQL below:

T-SQL: Creation date/time of tables

bschelst/ February 11, 2019/ SQL-Server/ 0 comments

When you are looking for the creation date/time of certain tables, you can easily find that in the sys.tables.You can use the code below in order to list all tables, and the creation date of those tables.