Explain this SQL function

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Features and Functions

1. SQL operations > GetDbSchema：Retrieves the database's schema, including table names and columsn names for each table.
2. SQL operations > InsertRecords：Insert records into database.
3. SQL operations > ReadRecords：Read records from database.
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Prompt Starters

1. Write a query to
2. How do I optimize
3. Explain this SQL function
4. Troubleshoot my SQL code