sql server query

Q: I found that many of the entries in the sysindexes Index table were not created by myself. It is said that they are not real indexes, but statistics created automatically by the SQL Server query optimizer. How do you identify which are true

This article describes how to use SQL Server database query cumulative values, for example analysis. There is a requirement that it create a SQL Server query that includes cumulative values based on the event time. A typical example is a bank

Asp.net|session in Microsoft. NET, the session's storage mechanism is not the same as the ASP's storage mechanism, although you can run both ASP and ASPX under the same IIS, but they cannot pass the session. Before a large number of systems applied

In SQL Server, you can use Split (Detach) and additional (Attach) methods to move the database. A split database removes a logical database from the server, but does not delete the database files from the operating system. Attaching the database

In SQL Server, you can use Split (Detach) and additional (Attach) methods to move the database. A split database removes a logical database from the server, but does not delete the database files from the operating system. Attaching the database

server| Difference | index | optimization In the principle of the database, the explanation of the clustered index is that the order of the clustered index is the physical storage order of the data, but the explanation of the nonclustered index is

If the database backed up has 2 files, respectively. LDF and. MDF, open Enterprise Manager, right-click on the instance---All Tasks-append database, then select that. MDF file, it's OK. Or, in Query Analyzer, enter: sp_attach_db "Database name",