Скачать или смотреть Resolving the ORA-00933 Error: Correctly Ending SQL Commands in PL/SQL

Learn how to fix the common ORA-00933 error in PL/SQL by ensuring your SQL commands are properly terminated. Discover best practices and tips for successful coding!
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Solving the ORA-00933 Error in PL/SQL: Proper Command Termination

If you're diving into PL/SQL for the first time, you might encounter some puzzling errors along the way. One common issue that beginners face is the ORA-00933: SQL command not properly ended error. In this guide, we'll explore the causes of this error, and most importantly, how to fix it.

Understanding the Problem

The error message ORA-00933 typically occurs when there is a problem with the SQL syntax in your PL/SQL code. In particular, this error indicates that your SQL statement isn't correctly terminated. Here’s a practical example that will help clarify the situation.

Situation:
You have written a function intended to summarize the values in the quantity column of the inventories table and return it as stocklvl. Here’s the problematic code:

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

When executing this code, you encounter the ORA-00933 error.

Identifying the Mistake: The Missing Semicolon

After reviewing the provided code, the root cause of the error is clear: the SQL statement inside the SELECT command is missing a semicolon (;) at the end of the FROM clause. The semicolon is crucial as it indicates the end of the SQL command.

Corrected Code

To resolve the ORA-00933 error, simply add the semicolon at the right place. Here’s the corrected version of the function:

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

Key Takeaways

Always end your SQL statements with a semicolon when working within PL/SQL blocks.

Pay close attention to syntactical requirements as these can save you a lot of troubleshooting time and headaches.

Check for any other potential syntax issues, such as misplaced comments or missing keywords, to further ensure your code is shell-proof.

Conclusion

The ORA-00933: SQL command not properly ended is a common error that can easily be fixed by adhering to the proper syntax of SQL commands. By ensuring you end your SQL statements with the appropriate semicolon, you can prevent this error in the future. Keep practicing your PL/SQL skills, and remember that even small syntax errors can lead to frustrating errors.

Happy coding, and may your PL/SQL queries run smoothly!