This issue occurs because SQL Server Management Studio generates an incorrect SQL statement for the update operation. When the table does not contain a primary key, the values of all columns are used ...

One of the most powerful tools in SQL is the ability to join two or more tables. For this exercise, we'll be using the *txschools* and *txstaff* files. Look at *txschools*, which has academic ratings ...

Hi all,some time we need to update value in a table in some pattern or increment order. then we use loop and iterate with all record, but as know looping is take time and our application become slower ...

As of the November update of Power Query, it’s now possible to write your own SQL query when you’re moving data out of SQL Server into Excel using Power Query. So I got thinking… if you can write your ...

In SQL Server 2008, you can perform insert, update, or delete operations in a single statement using the MERGE statement. MERGE statement allows you to join a data source with a target table or view, ...

Modifies a column's values in existing rows of a table or view. Restriction: You cannot use UPDATE on a table accessed via an engine that does not support UPDATE processing. You can update one or more ...