CREATE DATABASE Description Syntax Examples Constraints CREATE DATABASE Description Create a database. Syntax > CREATE DATABASE [ IF NOT EXISTS ] <database_na...

Database Preparation MySQL/MariaDB PostgreSQL Database Connection over TLS Prerequisites PostgreSQL MySQL Database Preparation You need a database to use Gitea. Gitea supp...

DROP DATABASE Description Syntax drop_database_statement Examples DROP DATABASE Description Drop a database. Syntax > DROP DATABASE [ IF EXISTS ] <database_nam...

Create a Database Before you start What is database Create databases View databases Rules in database creation Create a Database This document describes how to create a dat...

DROP DATABASE Description Syntax Examples DROP DATABASE Description Drop a database. Syntax > DROP DATABASE [ IF EXISTS ] <database_name> Examples CREATE D...

USE Description Syntax Examples USE Description The USE statement tells MatrixOne to use the named database as the default (current) database for subsequent statements...

CREATE DATABASE Description Syntax Examples Constraints CREATE DATABASE Description Create a database. Syntax > CREATE DATABASE [ IF NOT EXISTS ] <database_na...

DROP DATABASE 语法图 示例 MySQL 兼容性 另请参阅 DROP DATABASE DROP DATABASE 语句用于永久删除指定的数据库，以及删除所有在 schema 中创建的表和视图。与被删数据库相关联的用户权限不受影响。 语法图 DropDatabaseStmt IfExists DropDatabas...

ALTER DATABASE 语法图 示例 MySQL 兼容性 另请参阅 ALTER DATABASE ALTER DATABASE 用于修改指定或当前数据库的默认字符集和排序规则。ALTER SCHEMA 跟 ALTER DATABASE 操作效果一样。 语法图 AlterDatabaseStmt DatabaseOption...

USE 语法说明 语法结构 示例 USE 语法说明 USE 语句用于选择当前数据库，在此数据库进行后续操作。 语法结构 > USE db_name 示例 > USE db1 ; > SELECT COUNT (*) FROM mytable ;