To drop a database in SQL Server, use the Drop Database command: DROPDATABASE[IFEXISTS]{database_name|database_snapshot_name}; You can run this when you are connected to your server. The IF EXISTS keyword is optional and will drop the database if it exists. If the database does not...
The DROP command removes all the objects stored in the database and database from the SQL server. The DROP query removes the database permanently from the SQL Server. If tables and views stored in the database are important for you, then the data backup needs to be kept in another datab...
DROP DATABASE TheDROP DATABASEcommand is used to delete an existing SQL database. The following SQL drops a database named "testDB": ExampleGet your own SQL Server DROPDATABASEtestDB; Note:Be careful before dropping a database. Deleting a database will result in loss of complete ...
For more information, see Recommendations - master database. Use ALTER DATABASE to change the compatibility level of the database. The new compatibility level setting for a database takes effect when a USE <database> command is issued, or a new login is processed with that database as the...
SQL建立数据库及删除数据库命令,需要使用sqlserver的朋友可以参考下。 代码如下: CREATE DATABASE 临时的 ON ( NAME='临时的_Data', FILENAME='h:\临时的.mdf', SIZE=5MB, MAXSIZE=50MB, FILEGROWTH=10% ) LOG ON ( NAME='临时的_LOG', FILENAME='h:\临时的.ldf', ...
create database jack; use jack; create table kaven ( id integer auto_increment, primary key PRIMARY_KEY(id) ); lock tables kaven as kv read local; create database jack2; 1. 2. 3. 4. 5. 6. 7. 8. Can’t execute the given command because you have active locked tables or an acti...
DROP TABLE table_name To delete a database: 要删除一个数据库的话可以这样写: DROP DATABASE database_name --- Truncate a Table 截表 What if we only want to get rid of the data inside a table, and not the table itself? Use the TRUNCATE...
DROPDATABASEYourDatabaseName; 1. 确认结果- 可以再次查询数据库列表,确认该数据库已被删除: SELECTnameFROMsys.databases; 1. 类图展示了处理SQL Server删除数据库操作中涉及的对象和其关联性。 operatesDatabase+string name+string state+drop()SQLServer+string serverName+connect()+executeCommand() ...
Answer:The DB2 error message appears because the current database is not a valid state for the DROP DATABASE command you’re attempting to commit. From the IBM DB2 LUW documentation“The database must not be in use; all users must be disconnected from the database...
DROP AGGREGATE — 删除一个用户定义的聚集函数 DROP CAST — 删除一个用户定义的类型转换 DROP CONVERSION — 删除一个用户定义的编码转换 DROP DATABASE — 删除一个数据库 DROP DOMAIN — 删除一个用户定义的域 DROP FUNCTION — 删除一个函数 DROP GROUP — 删除一个用户组 ...