How do I display the results of a ref cursor using SQL Developer?

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How do I display the results of a ref cursor using SQL Developer?

Using the PRINT command in a SQL Worksheet Using the classic SQL*PLUS PRINT command to view the refcursor output will work in SQL Developer just like it would work in your command line tools. You execute your program, you create a local variable or 3 to ‘catch’ said output, and then you PRINT it.

How do I view the output variables in SQL Developer?

How to Turn Output On in SQL Developer

  1. Open Oracle Developer.
  2. Click “View” and then click “Dbms Output.”
  3. Click the green “+” sign in the window that opens and select the database connection from which you want output. Output will now appear for that database in a new tab.

How do I execute a cursor in Oracle SQL Developer?

There are four steps in using an Explicit Cursor.

  1. DECLARE the cursor in the Declaration section.
  2. OPEN the cursor in the Execution Section.
  3. FETCH the data from the cursor into PL/SQL variables or records in the Execution Section.
  4. CLOSE the cursor in the Execution Section before you end the PL/SQL Block.

How do I resolve ORA 01002 fetch out of sequence?

To resolve a current ORA-01002, there are three actions you can perform:

  1. After the last record is received, do not issue a fetch.
  2. Inside a fetch loop on a SELECT FOR UPDATE, do not use a COMMIT.
  3. Try fetching again after re-executing the statement (after rebinding)

How do I print a variable value in SQL Developer?

You need to turn on dbms_output. In Oracle SQL Developer: Show the DBMS Output window (View->DBMS Output)….

  1. Go to view menu.
  2. Select the DBMS_OUTPUT menu item.
  3. Press Ctrl + N and select connection editor.
  4. Execute the SET SERVEROUTPUT ON Command.
  5. Then execute your PL/SQL Script.

What happens when a cursor is opened?

When a cursor is opened, the following things happen: The values of the bind variables are examined. Based on the values of the bind variables, the active set (the query result) is determined. The active set pointer is set to the first row.

How to print the result of REF CURSOR in SQL Developer?

Hope this clears it up a bit more. You can easily print the output results of a ref_cursor in SQL Developer to see the return value.. If you have a procedure which requires a refcursor in the signature of the proc, you can do this: Highlight and hit F5.

How to iterate through the REF CURSOR in SQL?

Just make a loop which iterates through the ref cursor returned. You can output to the console using DBMS_OUTPUT.PUT_LINE () and choosing specific fields to show. There’s no way to tell without seeing what the cursor’s query is. Take a look at the SELECT statement you’re running in the procedure SP.

How to use Ref cursors to return records?

Using Ref Cursors. The example below uses a ref cursor to return a subset of the records in the EMP table. The following procedure opens a query using a SYS_REFCURSOR output parameter. Notice the cursor is not closed in the procedure. It is up to the calling code to manage the cursor once it has been opened.

Can you convert ref cursors to DBMS _ SQL?

Oracle 11g allows the two-way conversion between ref cursors to DBMS_SQL cursors, as described here. Oracle 12c allows implicit statements results, similar to that seen in Transact-SQL, as described here. For more information see: Hope this helps. Regards Tim…