MySQL provides valuable metadata aboutdatabasesand tables. For example, if a database's system memory runs out, checking the database or table size helps identify where thestorageis particularly overwhelmed. This article provides three methods to check the size for all MySQL databases, a single da...
其他资源 培训 模块 创建表、视图和临时对象 - Training 此内容是创建表、视图和临时对象的一部分。 认证 Microsoft Certified: Azure Database Administrator Associate - Certifications 使用Microsoft PaaS 关系数据库产品/服务,管理云、本地和混合关系数据库的 SQL Server 数据库基础结构。
User: User used for connecting to the instance. Host: IP address and port of the host that connects to the instance. db: Database name. Command: Connection status, which is usually Sleep, Query, or Connect. Time: Connection duration, in seconds. State: Status of the SQL statement being ...
Assume that you want to check the list of databases on the server. Execute the SHOW DATABASES command: You can create a new database with the help of the CREATE DATABASE command: To connect to a specific MySQL database and work with it, execute the USE database command and specify the...
To connect to a specific database, type use [database name]; and hit enter. And that's it! You can now access and modify data in the community server. Check out tutorials and articles on MySQL and DigitalOcean for more information on how to use MySQL. How to connect to a MySQL data...
How to: Create a Full Database Backup (Transact-SQL) How to: Use Resource Governor to Limit CPU Usage by Backup Compression (Transact-SQL) How to: Restore a Database Backup (Transact-SQL) How to: Restart an Interrupted Restore Operation (Transact-SQL) How to: Create a Transaction Log Bac...
How to: Install SQL Server Replication Components How to: Install SQL Server Compact on a Device How to: Install Query Analyzer (SQL Server Compact) How to: Upgrade SQL Server Compact 2.0 By Using the Database Upgrade Tool How to: Upgrade SQL Server Compact 3.0 and 3.1 How to: Extract 64...
A revert operation requires RESTORE DATABASE permissions on the source database. To revert the database, use the following Transact-SQL statement: RESTORE DATABASE <database_name> FROM DATABASE_SNAPSHOT =<database_snapshot_name> Where <database_name> is the source database and <database_snap...
You’ll see a window asking you to choose a new database connection. Step 4: Fill in the correct details. In the Username and Password fields, type ‘system’ and your password, respectively. Check the ‘Save Password’ box. In the Hostname field, enter ‘<hostname>’, and in the ...
http://social.msdn.microsoft.com/Forums/en/sqldatabaseengine/thread/294c62bb-6e77-46d2-882c-c1c56804f710 看一下: SELECTname, log_reuse_wait_desc,log_reuse_wait FROMsys.databases ORDERBYname 果然,我的log_reuse_wait是REPLICATION。 这样就导致无法truncate数据库了。