Explain what is ddlddl - data definition language, Ask an Expert

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Explain what is DDL?

DDL - Data Definition Language: statements used to define the database structure or schema. Some examples:
CREATE - to create objects in the database
ALTER - alters the structure of the database
DROP - delete objects from the database
TRUNCATE - remove all records from a table, including all spaces allocated for the records are removed
COMMENT - add comments to the data dictionary
RENAME - rename an object

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