How do I fix my PLS 00306?

How do I fix my PLS 00306?

Cause: This error occurs when the named subprogram call cannot be matched to any declaration for that subprogram name….Examine things in the following order:

  1. Check the procedure name.
  2. Check the number of parameters.
  3. Check the types of the parameters.
  4. Check the parameter names.

What is Sys_refcursor?

SYS_REFCURSOR. Specifies that the data type of the cursor variable is the built-in SYS_REFCURSOR data type.

How do you execute a procedure in Oracle?

You can also execute a procedure from the Oracle SQL Developer using the following steps:

  1. Right-click the procedure name and choose Run… menu item.
  2. Enter a value for the in_customer_id parameter and click OK button.
  3. The following shows the result.

What is out Sys_refcursor in Oracle?

SYS_REFCURSOR is a predefined weak ref cursor which means we do not have to define it into our code like we did with the explicit weak ref cursor in the previous tutorial. As we learnt in that tutorial that creating a weak ref cursor is a two-step process.

How do you call procedures?

A procedure call is a simple statement made by stating the procedure name, listing actual parameter names or values within parentheses, and adding a final semi-colon. The types of the actual parameters must match the types of the formal parameters (if any) that were created when the procedure was originally declared.

Why is a Refcursor used?

Using REF CURSOR s is one of the most powerful, flexible, and scalable ways to return query results from an Oracle Database to a client application. A REF CURSOR is a PL/SQL data type whose value is the memory address of a query work area on the database.

Do I need to close Sys_refcursor?

Answers. explicit cursors needs to be closed once the data is fetched , but there is no need to close impliit cursor as they are opened and closed implicitly. Yes, if you explicitly using OPEN cursor syntax. That will always help avoiding any exception caused by not closing a cursor.

How do I call a database procedure?

You can call an SQL stored procedure with the execute, open, or get statement; in each case, you use the #sql directive. A stored procedure is a set of instructions for a database, like a function in EGL.

How do you call a procedure in PL SQL?

Executing a Standalone Procedure

  1. Using the EXECUTE keyword.
  2. Calling the name of the procedure from a PL/SQL block.

What is difference between ref cursor and cursor?

A cursor is really any SQL statement that runs DML (select, insert, update, delete) on your database. A ref cursor is a pointer to a result set. This is normally used to open a query on the database server, then leave it up to the client to fetch the result it needs.

What are the different ways to call a stored procedure?

There are two different ways to execute a stored procedure. The first and most common approach is for an application or user to call the procedure. The second approach is to set the procedure to run automatically when an instance of SQL Server starts.

How do you call a SP function?

If you want to make call to another stored procedure, change your function to be a stored procedure and then you can make the call OR if you do need a function (calling from within a select/DML statement could be one of the reasons for needing the function), then create another function that can be called within this …

Can you give example of subprogram?

computer programming language …is an example of a subprogram (also called a procedure, subroutine, or function). A subprogram is like a sauce recipe given once and used as part of many other recipes. Subprograms take inputs (the quantity needed) and produce results (the sauce).

What is the value passed when calling a subprogram?

An OUT actual parameter can have a value before the subprogram is called. However, the value is lost when you call the subprogram. Inside the subprogram, an OUT formal parameter cannot be used in an expression; the only operation allowed on the parameter is to assign it a value.