Resolving SQL Error: ORA-00933 - SQL command not properly ended in ASP.NET

Discover the simple fix for the common SQL error `ORA-00933`, typically encountered in ASP.NET applications. Learn how to correctly execute INSERT statements in Oracle databases.
---

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: SQL Error: ORA-00933: SQL command not properly ended. When using a simple insert

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Understanding the SQL Error ORA-00933: Command Not Properly Ended

If you've been working with SQL in your ASP.NET applications, you may occasionally encounter the frustrating error: ORA-00933: SQL command not properly ended. This error often pops up when executing SQL statements, leading to confusion—especially when the same command works perfectly in tools like SQL Developer.

In this guide, we will dive into the reasons behind this error and guide you through a straightforward solution to overcome it. So, let's unpack this error and set you on the right path to database success.

The Problem: SQL Command Not Properly Ended

You may have run into the ORA-00933 error with the following scenario:

Example Scenario

You attempted to execute an SQL command using your ASP.NET application, similar to this one:

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

Despite this insert command executing successfully directly in SQL Developer, your ASP.NET application throws the ORA-00933 error. This inconsistency can be puzzling, especially when other SQL commands work without any hiccups.

Possible Causes

The most common cause of this error is the inclusion of a semicolon (;) at the end of your SQL command when executed from a programming environment. SQL Developer can handle the semicolon, but when you're feeding the command directly through code, the semicolon can lead to confusion in how the command is interpreted by the Oracle database.

The Solution: Correcting the Command

To solve the ORA-00933 error, the fix is simple but important. Follow these steps:

Step 1: Remove the Semicolon

In your ASP.NET code, locate the SQL command where you're performing the insert operation. Here’s the code you might have written:

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

Notice the semicolon at the end of the command. Remove this semicolon so that your command looks as follows:

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

Step 2: Execute the Updated Command

Once you’ve removed the semicolon, execute the command again using your context object:

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

Conclusion

The error ORA-00933: SQL command not properly ended is a common obstacle when dealing with SQL commands in ASP.NET applications. However, by simply removing the semicolon from your SQL insert statements in your code, you can seamlessly run your commands without encountering this error.

If you're ever stuck or facing challenges with SQL in your applications, remember to check for common syntax issues like misplaced semicolons. With this knowledge, you'll be better equipped to tackle SQL errors moving forward. Happy coding!