Updating using explicit cursors Old man live chat
A cursor holds the rows returned by the SQL statement.The set of rows the cursor holds is referred as active set.Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Although the database API cursor models consider a forward-only cursor to be a distinct type of cursor, SQL Server does not.Visit Stack Exchange Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Sign up to join this community In Oracle, there are only 2 types of cursor i.e. SQL Server considers both forward-only and scroll as options that can be applied to static, keyset-driven, and dynamic cursors.Explicit Cursors Programmers create explicit cursors, and with these you can do operations on a set of rows, which can be processed one by one.You use explicit cursors when you are sure that the SQL statement will return more than one row.guru99_det%R0WCOUNT); CLOSE guru99_det; END: /"FOR LOOP" statement can be used for working with cursors.
We can give the cursor name instead of range limit in the FOR loop statement so that the loop will work from the first record of the cursor to the last record of the cursor.
The cursor variable, opening of cursor, fetching and closing of the cursor will be done implicitly by the FOR loop.