SQL Server 2000 has three similar functions: scope_identity, ident_current, and @ identity. Both return values inserted into the identity column.Nbsp; ident_current returns the final id value generated for any session and a specific table in any
SQL application series in SQL Server 2008-Directory Index
Yesterday, someone discussed in the group three functions that SQL Server returned the last IDENTITY value: IDENT_CURRENT, @ IDENTITY, and SCOPE_IDENTITY, and made some markup and
In the original: SQL gets the last generated identity value ident_current, @ @IDENTITY, scope_identity usage and differencesIdent_currentReturns the last identity value generated for the specified table in any session and any
Yesterday, someone discussed in the group three functions that SQL server returned the last identity value: ident_current, @ identity, and scope_identity, and made some markup and summary.
In fact, msdn has an official explanation for this: all
13. T-SQL and SQL query AnalyzerWhat is SQL?What is T-SQL?Introduce new features of T-SQLHow to Use T-SQLSummaryIn this chapter, we will introduce some basic concepts about the Structured Query Language and transact-SQL and their differences. This
30. Microsoft SQL Server ManagementAutomatic Setting of SQL ServerDatabase Maintenance PlanSummaryUsing appropriate settings and performing routine maintenance tasks in the database is the key to optimizing the server. This chapter describes the
Ident_current returns the identity value that was last generated for any session and for a particular table in any scope. Ident_current is not subject to scope and session restrictions, but is limited to the specified table.
@ @IDENTITY Returns
MS SQL Server Query optimization methodThere are many reasons for the slow speed of queries, which are common1, no indexes, or no indexes (this is the most common problem with query slowness, is the flaw in programming)2, I/o throughput is small,
IDENT_CURRENTReturns the final id value generated for any session and specified table in any scope.
SyntaxIDENT_CURRENT ('table _ name ')
ParametersTable_name
Is the name of the table whose ID value will be returned. The data type of table_name is
Reprint Please specify: theviper http://www.cnblogs.com/TheViperPartially translated from How to select the First/least/max row per group in SQLSome common SQL problems have similar workarounds, such as finding the most recent logs for each program,
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