If you’ve the database backup available and know the time of data deletion, you can use the transaction log with Log Sequence Number (LSN) to recover the deleted data from SQL Server. However if you ...

This will find all rows in the ITEM table where PRICE is null. Similarly, you can use NULL to set a column to null in an UPDATE statement like: UPDATE DEPT. SET MGRNO = NULL. ... Nulls are one of the ...

SQL Server 2016 takes this one level further and lets you transform JSON data in table rows. This ability might save a lot of work and CPU cycles off your code as now you can push the raw JSON text to ...

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. ... (StartTime, EndTime), StartTime datetime2 GENERATED ALWAYS AS ROW START HIDDEN ...

Marvel should have an evil villain named “Null.” Nulls have always been trouble in the relational world. Certainly, nulls are used all over the place by virtually everyone. Still, that does not mean ...