Updating sql server sophos enterprise console update manager not updating
If you omit the WHERE clause, all records in the table will be updated! The WHERE clause specifies which record(s) that should be updated.TOP ( ) Specifies one or more table hints that are allowed for a target table. @ When referencing the Unicode character data types nchar, nvarchar, and ntext, 'expression' should be prefixed with the capital letter ' N'.
For more information, see WITH common_table_expression (Transact-SQL). For information about table hints, see Table Hints (Transact-SQL).
A new trace flag, 2371, was introduced in SQL Server 2008R2 SP1 to lower this threshold. Imagine a table with 10 million rows; over 2 million rows would need to change before statistics would be marked as out of date. In SQL Server 2016, the threshold introduced by trace flag 2371 is used if you have the compatibility mode for a database set to 130.
This means that in SQL Server 2016, you only need to use trace flag 2371 to get that lower threshold if you have the database compatibility mode set to 120 or lower.
The indexes that work best for data retrieval aren't always the best ones for data modification.
To know which indexes are the best for data-modification operations, you need to know how SQL Server uses indexes during those operations.
Specifies the temporary named result set or view, also known as common table expression (CTE), defined within the scope of the UPDATE statement.