If you’re using SSIS, you’d most commonly design a package that extracts the DDL from the source database, scripts that DDL for SQL Azure and then executes that script on one or more SQL Azure installations. You might also choose to load the associated data as part of the package’s...
When a unique index exists, the Database Engine checks for duplicate values each time data is added by insert operations. Insert operations that would generate duplicate key values are rolled back, and the Database Engine displays an error message. This is true even if the insert operation ...
详细了解 Microsoft.SqlServer.Dts.Runtime.Wrapper.Sql2017 命名空间中的 Microsoft.SqlServer.Dts.Runtime.Wrapper.Sql2017.ForEachLoopClass.IDTSForEachLoop100_Execute。
You can use the configuration file to restart the installation using the user settings from an earlier setup. The only settings not saved in the configuration file are the passwords for the accounts and the product ID (PID). When necessary, you can add these parameters through the configuration...
Figure 2Relationship of Entities(Click the image for a larger view) While relational databases are great at representing most relationships, they are not well suited to working with many-to-many entity models. It is not that the physical tables cannot handle the data; rather, it is difficult ...
Ensure that recovery is required on the specified node(s), then restore the most recent backup version of the database on these nodes. SQL1261NDatabasenameis not in rollforward pending state on node(s)node-list, so it does not need to be rolled forward on these nodes. ...
use lots of total CPU time because they've been running for days at a time, but they have spent most of that time in an idle state. These can be filtered out by querying for all spid values less than 50, as all values 50 and below are reserved for internal SQL Server system ...
Results: Displays the results of the most recent Execute Statement operation. Explain: Displays the output if you clicked the Explain Execution Plan icon (see Section 1.7.3, "Execution Plan"). Script Output: Displays the output if you clicked the Run Script icon (see Section 1.7.2, "Script...
Oracle implicitly opens a cursor to process each SQL statement not associated with an explicitly declared cursor. You can refer to the most recent implicit cursor as theSQLcursor. Although you cannot use theOPEN,FETCH, andCLOSEstatements to control theSQLcursor, you can use cursor attributes to ...
Learn more about the Microsoft.SqlServer.Dts.Runtime.Wrapper.Sql2012.ForEachEnumeratorHostClass.ID in the Microsoft.SqlServer.Dts.Runtime.Wrapper.Sql2012 namespace.