what is SQL and its function
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SQL functions are simply sub-programs, which are commonly used and re-used throughout SQL database applications for processing or manipulating data. All SQL database systems have DDL (data definition language) and DML (data manipulation language) tools to support the creation and maintenance of databases.
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Explanation:
SQL functions are simply sub-programs, which are commonly used and re-used throughout SQL database applications for processing or manipulating data. All SQL database systems have DDL (data definition language) and DML (data manipulation language) tools to support the creation and maintenance of databases.
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