Resolving the ORA-00933: SQL command not properly ended Error in Oracle

Learn how to fix the SQL error 'ORA-00933: SQL command not properly ended' when connecting to an Oracle database using ADO.Net.
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Understanding the ORA-00933 Error in Oracle SQL

If you've ever worked with Oracle databases, you might have encountered the error message ORA-00933: SQL command not properly ended. This can be frustrating, especially when you think you've crafted your SQL statements perfectly. In this guide, we'll explore what causes this error and how to fix it in a straightforward way.

What Causes the ORA-00933 Error?

The ORA-00933 error usually appears when there is a syntax issue in your SQL command. It signifies that Oracle doesn’t recognize the end of your command, which often happens due to:

Missing Semicolons: In SQL, each command must end with a semicolon (;). This is particularly important in environments where multiple SQL statements are executed in sequence.

Combining Statements: If you're trying to execute multiple statements without properly separating them, Oracle will struggle to parse your commands correctly.

A Practical Example

Let's take a look at a practical example to understand how this error might occur:

Imagine you're attempting to run the following SQL commands in a loop for inserting records into a table named ps_tl_compleave_tbl:

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

While the first command executes successfully, the second command triggers the ORA-00933 error.

Why Does This Happen?

The problem lies in the fact that there is no semicolon separating the two INSERT statements. Thus, Oracle sees the combined line as a single, improperly terminated command.

How to Solve the Issue

The solution to this problem is straightforward. Here’s what you need to do:

Add Semicolons Between Executions: Make sure each of your SQL statements ends with a semicolon (;).

Here’s how your SQL commands should look:

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

Additional Tips:

When writing multiple INSERT statements in a loop or script, always ensure that each statement is well defined and separated properly to avoid confusion.

If you continue to encounter errors after adding semicolons, double-check for other potential syntax issues in your SQL commands.

Conclusion

The ORA-00933: SQL command not properly ended error is a common obstacle when working with Oracle databases, especially for those new to SQL or ADO.Net. By paying attention to the syntax and ensuring you properly terminate each command, you can avoid this error and ensure your SQL commands run smoothly.

Have you encountered the ORA-00933 error before? How did you resolve it? Share your experiences and tips in the comments below!