Location in DatabasesBoth temp tables and table variables are stored in TempDB. DECLARE @TableVariable TABLE (DT DateTime DEFAULT GETDATE() NOT NULL) INSERT INTO @TableVariable DEFAULT VALUES WAITFOR DELAY '00:00:10' CREATE TABLE #TempTable (DT DateTime DEFAULT GETDATE() NOT NULL) ...
Table(s): Temp Table, Table Variable, and CTE (Common Table Expression) --- This article Difference between Temp Table and Table Variable Performance: Temp Table vs. Table Variable vs. CTE Table As Input Parameters For Stored Procedure Introduction In SQL Server, as I know, we have ...
I'm one of the few who would be very interested to know if someone can prove that table variable causes recompile. Logically speaking, table variables do not have statistics at all and I would wonder the reason for SQL to recompile. The row estimates of table variable in query plan would...
C. Scenario: Replace session tempdb #table D. Scenario: Table variable can be MEMORY_OPTIMIZED=ON Show 4 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance If you use temporary tables, table variables, or table-valued parameters, consider conversions of them to levera...
B. Scenario: Replace global tempdb ##table C. Scenario: Replace session tempdb #table D. Scenario: Table variable can be MEMORY_OPTIMIZED=ON Show 4 more Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance If you use temporary tables, table variables, or table-valued paramete...
Scenarios where temp table/variable are not cached (see below) may cause performance degradation as compared to SQLServer2000. Following are scenarios where temp table/variable are not cached: 1. select into #t 2. alter table #t 3. create index...
2.http://social.msdn.microsoft.com/Forums/zh-TW/240/thread/850f5bf2-79b5-4f32-ba40-0bba2db1e929 3.http://www.dotnetfunda.com/interview/exam297-what-is-temp-table-and-@table-variable-in-sql-server.aspx http://www.dotblogs.com.tw/hellouk/archive/2010/10/07/18163.aspx...
Difference between temp table, table variable, derived table and CTE Forum – Learn more on SQLServerCentral
The scope of a table variable is limited to the specific batch, while a local temporary table is limited to the specific spid. If you create a local table variable then upon completion of the batch the variable falls out of scope. When creating a local temporary table the table is persis...
I thought there was a reason that I couldn't use a table variable. I don't remember what it could have been. I'll check out that link and let you know what I find. Tuesday, August 23, 2011 1:02 PM I think I still have a scope issue. Here's what I'm doing: ...