Resolving the PLS-00341 Error: Fixing the Cursor Declaration Issue in Oracle 11g

Encountering the `PLS-00341: declaration of cursor 'PROJECT_PARAMS_CSR' is incomplete or malformed` error in Oracle 11g? Discover how to solve this problem efficiently.
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Understanding and Solving the PLS-00341 Error in Oracle 11g

If you are working with Oracle databases, you may encounter various errors while writing PL/SQL code. One such error is PLS-00341: declaration of cursor 'PROJECT_PARAMS_CSR' is incomplete or malformed, particularly when migrating code from one version of Oracle to another. This guide will guide you through understanding this error and provide a solid solution to fix it.

The Problem

The error arises when you try to execute a cursor declaration that works perfectly in Oracle 12.2, but fails in Oracle 11g R2. The specific part of the cursor declaration responsible for the error is:

[[See Video to Reveal this Text or Code Snippet]]

In this context, Oracle 11g cannot interpret the variable g_project_param_org_ids_tbl correctly since it is being used in a way that is not supported prior to Oracle 12c. Understanding this limitation is key to resolving the issue.

The Root Cause

Limitations of Pre-12c Oracle Versions

In Oracle versions earlier than 12c, the TABLE() function can only be applied to collections that are defined in the database schema (referred to as SQL Types). However, g_project_param_org_ids_tbl is defined within your PL/SQL package, meaning Oracle 11g does not recognize it in this context.

Proposed Solution

To resolve the PLS-00341 error, you need to create g_project_param_org_ids_tbl as a SQL Type in the database. Here’s how you can do this:

Step 1: Create the SQL Type

Execute the following command in your Oracle database to define number_tbl_type as a SQL Type:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Update Your Cursor Declaration

Once the SQL Type is created, you can then use the cursor without encountering the PLS-00341 error:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

In summary, dealing with the PLS-00341 error in Oracle 11g can be an obstacle, especially when migrating scripts from newer versions of the database. The key takeaway here is the requirement of using SQL Types for collections when working with Oracle versions pre-12c. Following the steps outlined above will help you resolve the error and get your PL/SQL code running smoothly again.

By understanding the nuances of Oracle versions and their respective limitations, you can avoid such issues in your development workflow. If you have any more questions or need further assistance, feel free to drop a comment below!

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