Can we use cursor in stored procedure in Oracle?
You would have to declare the Cursor before BEGIN. You would use no INTO clause in the cursor declaration. Then you would have to OPEN the cursor. Then you would FETCH INTO my_ename, my_salary , not one after the other (you fetch rows, not columns).
How do you create a cursor within a procedure in Oracle?
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….To work with cursors you must use the following SQL statements:
- DECLARE CURSOR.
Can we call cursor in stored procedure?
A cursor data type can also be output of a SQL Server stored procedure. The declaration of the cursor can be embedded into the body of a stored procedure. Then the cursor output from the stored procedure can be assigned just like any output of a stored procedure to the same data type.
Can we declare cursor inside begin?
In general, yes you can, you just nest another execution block inside your current one…
What is difference between stored procedure and cursor?
A function or procedure is a set of instructions to perform some task. A cursor is an array that can stores the result set of a query. Show activity on this post. Stored procedures are pre-compiled objects and executes as bulk of statements, whereas cursors are used to execute row by row.
What is the alternative for cursor in SQL?
Temporary tables have been in use for a long time and provide an excellent way to replace cursors for large data sets. Just like table variables, temporary tables can hold the result set so that we can perform the necessary operations by processing it with an iterating algorithm such as a ‘while’ loop.
Can you alter procedure with in package?
Because all objects in a package are stored as a unit, the ALTER PACKAGE statement recompiles all package objects. You cannot use the ALTER PROCEDURE statement or ALTER FUNCTION statement to recompile individually a procedure or function that is part of a package.