19209 10 否 QueryContextAttributes 无法检索服务绑定。 操作系统错误代码指示失败的原因。 19210 10 否 服务器扩展保护级别设置为“允许”或“必需”,并且客户端未提供服务主体名称(SPN)。 若要连接,此客户端必须支持扩展保护。 可能需要安装允许服务绑定和通道绑定的操作系统 Servi...
-- Session creates a histogram of the number of lock escalations per database CREATE EVENT SESSION [Track_lock_escalation] ON SERVER ADD EVENT sqlserver.lock_escalation ( SET collect_database_name=1,collect_statement=1 ACTION(sqlserver.database_id,sqlserver.database_name,sqlserver.query_hash_signe...
ALTER DATABASE [database_name] SET QUERY_STORE = ON ( OPERATION_MODE = READ_WRITE, CLEANUP_POLICY = ( STALE_QUERY_THRESHOLD_DAYS = 90 ), DATA_FLUSH_INTERVAL_SECONDS = 900, QUERY_CAPTURE_MODE = AUTO, MAX_STORAGE_SIZE_MB = 1024, INTERVAL_LENGTH_MINUTES = 60 ); F. 啟用含等候統計資...
The SQL query below shows a list of tables sorted by the largest tables first. For each table, the indexes in the table are shown. For each index it shows when the index was last used. The query is designed to collect various pieces of information in one place, and give...
执行 ALTER DATABASE [database] SET QUERY_STORE = OFF 返回警告 'QUERY_STORE=OFF' is not supported in this version of SQL Server.。 CLEAR [ ALL ] 从查询存储中删除与查询相关的数据。 ALL 是可选项。 ALL 将从查询存储中删除与查询相关的数据和元数据。 OPERATION_MODE { READ_ONLY | READ_WRITE...
UPDATE query in SQL is used to modify the existing records in a table. Learn how to use an UPDATE statement in SQL with the help of its syntax.
min memory per query (KB)(A)最小值:512 最大值:2147483647 默认:1024是否 min server memory (MB)(A、SC)最小值:0 最大值:2147483647 默认:0是否 嵌套触发器最小值:0 最大值:1 默认:1是是 network packet size (B)(A)最小值:512 最大值:32767 ...
Show 2 more Applies to: Azure SQL Database Azure SQL Managed Instance SQL database in FabricAutomatic tuning provides peak performance and stable workloads through continuous performance tuning based on AI and machine learning.Automatic tuning is a fully managed, intelligent performance service that ...
You can use the following custom SQL query to change the data type of Root from a number to a string so that you can join the Main and Sub tables using the Root and ID fields. SELECT [Main].[Root] AS [Root_Number]CAST([Main].[Root] AS INT] AS [Root_String] FROM [Main] The...
To check current size and growth parameters fortempdb, use the following query: SQL SELECTnameASfile_name, type_descASfile_type,size*8.0/1024ASsize_mb, max_size *8.0/1024ASmax_size_mb,CAST(IIF(max_size =0,0,1)ASbit)ASis_autogrowth_enabled,CASEWHENgrowth =0THENgrowthWHENgrowth >0ANDis_...