SQL Server Azure SQL 数据库 Azure SQL 托管实例 本文介绍如何使用 SQL Server Management Studio 或 Transact-SQL 查看 SQL Server 实例上的数据库列表。 权限 如果sys.databases的调用方不是数据库的所有者,并且数据库不是master或tempdb,则查看对应行所需的最低权限为 ALTER ANY DATABASE 或 VI...
Global temporary tables have two number signs (##) as the first characters of their names; they are visible to any user after they are created, and they are deleted when all users referencing the table disconnect from the instance of SQL Server....
, head.plan_handle, head.sql_handle, head.most_recent_sql_handle,0AS[Level]FROMcteHeadASheadWHERE(head.blocking_session_idISNULLORhead.blocking_session_id =0)ANDhead.session_idIN(SELECTDISTINCTblocking_session_idFROMcteHeadWHEREblocking_session_id !=0)UNIONALLSELECTh.head_blocker_session_id, ...
The SQL Server system data type. The default schema of the current user in the current database. The dbo schema in the current database. For memory-optimized tables, see Supported Data Types for In-Memory OLTP for a list of supported system types. precision The precision for the specified ...
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This does not apply to columnstore indexes or indexes on memory-optimized tables. For more information, see the SQL Server and Azure SQL index architecture and design guide. Isolation Modifications made by concurrent transactions must be isolated from the modifications made by any other concurrent ...
创建RDS SQL Server实例后,暂时还无法访问该实例,您需要设置RDS SQL Server实例的白名单,即IP白名单或安全组,本文介绍如何设置IP白名单。 其他引擎设置白名单请参见: MySQL设置白名单 PostgreSQL设置白名单 MariaDB设置白名单 操作场景 IP白名单指允许访问RDS实例的IP清单。设置IP白名单可以让RDS实例得到高级别的访问...
SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Shrinks the size of the data and log files in the specified database. Note Shrink operations should not be considered a regular maintenance operation. Data and log files that grow due to regular, recurring business ...
and they are deleted when the user disconnects from the instance of SQL Server. Global temporary tables have two number signs (##) as the first characters of their names; they are visible to any user after they are created, and they are deleted when all users referencing the table disconne...
SQL Server, Azure SQL Database, and Azure SQL Managed Instance support table and index partitioning. The data of partitioned tables and indexes is divided into units that may be spread across more than one filegroup in a database or stored in a single filegroup. When multiple files exist in...