Скачать или смотреть Solve ORA-00933: SQL Command Not Properly Ended with Proper INSERT Syntax in Oracle

Learn how to fix the ORA-00933 error in Oracle SQL when trying to insert multiple rows with a single command. Our comprehensive guide explains the simplest methods to resolve this issue effectively.
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Understanding the ORA-00933 Error in Oracle SQL

If you're working with Oracle SQL, you might have encountered the dreaded ORA-00933: SQL command not properly ended error. This error can be frustrating, especially when you are trying to insert multiple rows into a table. In this post, we'll dive into the specifics of this issue and provide you with a clear and effective solution.

The Situation

Imagine you're trying to insert a list of countries into a table, including their capitals and population figures. Your SQL query might look something like this:

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

However, instead of inserting your data, you receive an error message indicating that there is an issue with your SQL syntax. You might have already tried various fixes such as adjusting spacing and indentation, but the error persists. So, what went wrong?

The Cause of the Problem

The root of this error lies in the way Oracle SQL handles INSERT commands. Unlike several other SQL databases, Oracle does not allow inserting multiple rows using a single VALUES clause. This limitation can lead to the ORA-00933 error if you attempt to utilize this syntax.

Solution: Using INSERT ... SELECT Method

Fortunately, there is a straightforward way to bypass this limitation. The solution is to use the INSERT ... SELECT statement combined with UNION ALL. This enables you to insert multiple rows of data efficiently. Here’s how you can structure your query:

The Correct SQL Syntax

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

Breaking It Down

1. INSERT INTO Clause:

This part specifies where you want to insert the data from your SQL statement.

2. SELECT Statement:

Each SELECT statement retrieves a single row of data that matches the columns in the INSERT INTO clause. We use FROM DUAL to select this data without needing a table.

3. UNION ALL:

This combines multiple SELECT results into a single set of rows for insertion. Each SELECT statement can return one row of data to be inserted.

Conclusion

By utilizing the INSERT ... SELECT approach, you will be able to bypass the limitation of the standard INSERT command in Oracle SQL and eliminate the ORA-00933: SQL command not properly ended error. Remember that understanding the peculiarities of your SQL environment can save you time and effort in troubleshooting similar issues in the future.

Now you can confidently insert multiple rows into your Oracle databases without fearing the infamous syntax error! Happy coding!