SQL is the underlying language for all database programming.
PL/SQL is tightly integrated with SQL, usually for code running inside the database such as triggers,
stored procedures and functions, and PL/SQL packages.
SQL*Plus is the command-line tool for running SQL and compiling PL/SQL.
In addition to the individual books for each environment, there is an
online quick reference that combines all three environments.
SQL Reference |
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SQL Quick Reference |
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PL/SQL User's Guide and Reference |
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PL/SQL Packages and Types Reference |
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SQL*Plus User's Guide and Reference |
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SQL*Plus Quick Reference |
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