-- To avoid storing the login and password in the script file, the value-- is passed into SQLCMD as a scripting variable. For information about-- how to use scripting variables on the command line and in SQL Server-- Management Studio, see the "Executing Replication Scripts" section in-...
查询优化器使用有关列的统计信息来创建可提高查询性能的查询计划。 从数据库中的表收集统计信息并将它保存在数据库元数据中。统计信息自动创建,但也可以手动创建。 例如,在创建索引时自动对索引键列创建统计信息。 有关创建统计信息的详细信息,请参阅 Statistics。
0xC001C002-1073627134 DTS_E_INVALIDFILE For Each 文件枚举器中指定的文件无效。 请确保 For Each 文件枚举器中指定的文件存在。 0xC001C010-1073627120 DTS_E_VALUEINDEXNOTINTEGER 值索引不是整数。 将 For Each Variable 编号 %1!d! 映射到变量“%2”。 0xC001C011-1073627119 DTS_E_V...
Lost updates occur when two or more transactions select the same row and then update the row based on the value originally selected. Each transaction is unaware of the other transactions. The last update overwrites updates made by the other transactions, which results in lost data. For exampl...
foreach主要是用于一个循环,大部分用到的是循环的生成sql,下面说一下动态foreach的属性: foreach元素的属性主要有item,index,collection,open,separator,close。 1、collection表示如何来得到这个集合,如果传入的直接为一个List,那么collection值就为list,如果直接传入的为一个array不可变数组,那么collection值就为array,...
Column names in each table must be unique. Column name 'Product Description' in table 'Tab' is specified more than once. Column, parameter, or variable #2: Cannot find data type test_type. Combining conditional COUNTs in one GROUP BY query Commenting out an SQL Line when using Dynamic SQL...
= N'SalesPerson'; SET @filter = N'SalesPerson_Employee'; SET @schema_hr = N'HumanResources'; SET @schema_sales = N'Sales'; USE [AdventureWorks]; -- Enable AdventureWorks for merge replication. EXEC sp_replicationdboption @dbname = @publicationdb, @optname = N'merge publish', @value = ...
MAX_RECORDS_PER_FETCH_INVALID_FOR_KINESIS_SOURCE、METRIC_STORE_INVALID_ARGUMENT_VALUE_ERROR、ROW_VALUE_IS_NULL、RULE_ID_NOT_FOUND、SECOND_FUNCTION_ARGUMENT_NOT_INTEGER、ST_DIFFERENT_SRID_VALUES、ST_INVALID_ARGUMENT、ST_INVALID_ARGUMENT_TYPE、ST_INVALID_CRS_TRANSFORMATION_ERROR、ST_INVALID_ENDIANNESS_...
To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel. x64-based versions SQL Server 2019 Analysis Services Expand table File nameFile versionFile sizeDateTimePlatform Asplatformhost.dll 2018.150.35.15 291744 19-Jul-...
It would be more helpful to find a process that uses lots of CPU the majority of the time it is connected. You can do that by dividing the cpu value by the time the process has been connected. You can't get process connect duration directly; instead, you get the time of day that ...