docs/sql-ref-syntax-ddl.md

---
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title: Data Definition Statements
displayTitle: Data Definition Statements
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Data Definition Statements are used to create or modify the structure of database objects in a database. Spark SQL supports the following Data Definition Statements:

 * [ALTER DATABASE](sql-ref-syntax-ddl-alter-database.html)
 * [ALTER TABLE](sql-ref-syntax-ddl-alter-table.html)
 * [ALTER VIEW](sql-ref-syntax-ddl-alter-view.html)
 * [CREATE DATABASE](sql-ref-syntax-ddl-create-database.html)
 * [CREATE FUNCTION](sql-ref-syntax-ddl-create-function.html)
 * [CREATE TABLE](sql-ref-syntax-ddl-create-table.html)
 * [CREATE VIEW](sql-ref-syntax-ddl-create-view.html)
 * [DROP DATABASE](sql-ref-syntax-ddl-drop-database.html)
 * [DROP FUNCTION](sql-ref-syntax-ddl-drop-function.html)
 * [DROP TABLE](sql-ref-syntax-ddl-drop-table.html)
 * [DROP VIEW](sql-ref-syntax-ddl-drop-view.html)
 * [TRUNCATE TABLE](sql-ref-syntax-ddl-truncate-table.html)
 * [REPAIR TABLE](sql-ref-syntax-ddl-repair-table.html)
 * [USE DATABASE](sql-ref-syntax-ddl-usedb.html)