You have learned how to execute queries, retrieve data, insert new records, delete records and update records in a database with SQL.
You have also learned how to create databases, tables, and indexes with SQL, and how to drop them.
You have learned the most important aggregate functions in SQL.
You now know that SQL is the standard language that works with all the well-known database systems like MS SQL Server, IBM DB2, Oracle, MySQL, and MS Access.
You Have Learned SQL, Now What?
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