layout: global title: USE Database displayTitle: USE Database license: | Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

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Description

USE statement is used to set the current database. After the current database is set, the unqualified database artifacts such as tables, functions and views that are referenced by SQLs are resolved from the current database. The default database name is ‘default’.

Syntax

USE database_name

Parameter

  • database_name

    Name of the database will be used. If the database does not exist, an exception will be thrown.

Examples

-- Use the 'userdb' which exists.
USE userdb;

-- Use the 'userdb1' which doesn't exist
USE userdb1;
Error: org.apache.spark.sql.catalyst.analysis.NoSuchDatabaseException: Database 'userdb1' not found;
(state=,code=0)

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