Oracle cursor for updating every row in same table dating on earth korean drama wiki
For more information on cursors, also take a look at the free SQL query training provided by Steve Stedman.
In SQL Server the cursor is a tool that is used to iterate over a result set, or to loop through each row of a result set one row at a time.
Here is a video showing a similar overview of using cursors in TSQL. -Steve Stedman Need help with SQL Server Performance Tuning, contact Steve at Stedman Solutions, LLC for help, or take a look at the performance tuning page at the Steve blog.
For example, When you execute INSERT, UPDATE, or DELETE statements the cursor attributes tell us whether any rows are affected and how many have been affected. INTO statement is executed in a PL/SQL Block, implicit cursor attributes can be used to find out whether any row has been returned by the SELECT statement. The status of the cursor for each of these attributes are defined in the below table.For information on the use of PL/SQL records with SQL to update and insert data, see "Inserting PL/SQL Records into the Database" and "Updating the Database with PL/SQL Record Values".