In situations that you need to update data from a table, using data that exists in another table, there are several approaches that you could do. In MySQL for example you can do updates using inner ...

A cursor is a pointer to this context area. PL/SQL controls the context area through a cursor. A cursor holds the rows (one or more) returned by a SQL statement. The set of rows the cursor holds is ...

By using a cursor, SQL Server can iterate both new and old ad ‘reading from table’. Similarly, the declaration ‘FOR EACH ROW’ is the channel through which MySQL uses an implicit loop. All three ...

T-SQL Populating local variables from cursor rluciano Jul 10, 2007 Jump to latest Follow Reply ...