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6 Cards in this Set
- Front
- Back
DML (Data Manipulation Language)
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SELECT – select records from a table
INSERT – insert new records UPDATE – update/Modify existing recordsDELETE – delete existing records |
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statements are used to alter/modify a database or table structure and schema. These statements handle the design and storage of database objects.
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DDL (Data Definition Language)
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statements control the level of access that users have on database objects.
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DCL (Data Control Language)
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statements allow you to control and manage transactions to maintain the integrity of data within SQL statements.
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TCL (Transaction Control Language)
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GRANT – allows users to read/write on certain database objectsREVOKE – keeps users from read/write permission on database objects
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DCL (Data Control Language)
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BEGIN Transaction – opens a transactionCOMMIT Transaction – commits a transactionROLLBACK Transaction – ROLLBACK a transaction in case of any error
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TCL (Transaction Control Language)
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