How to Use Cursor?
To Use Cursors in Sql Procedures, You Need to Do the Following: Declare a Cursor That Defines a Result Set. Open the Cursor to Establish the Result Set. Fetch...
- Declare a cursor that defines a result set.
- Open the cursor to establish the result set.
- Fetch the data into local variables as needed from the cursor, one row at a time.
- Close the cursor when done.
How can I use cursor as cursor?
The trick to declaring a cursor within a cursor is that you need to continue to open and close the second cursor each time a new record is retrieved from the first cursor. That way, the second cursor will use the new variable values from the first cursor.
How does SQL cursor work?
SQL Cursor Life Cycle
A cursor is declared by defining the SQL statement. A cursor is opened for storing data retrieved from the result set. When a cursor is opened, rows can be fetched from the cursor one by one or in a block to do data manipulation. The cursor should be closed explicitly after data manipulation.
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