The goals and means. of language study, however, continue to be hotly debated (Background, para. 4). Most significant for language educators is the fact that this discussion of foreign. language education at the university level also includes heritage language. education as a significant component.
A temporary table can have indexes, whereas a table variable can only have a primary index. If speed is an issue Table variables can be faster, but if there are a lot of records, or there is a need to search the temporary table based on a clustered index, then a Temporary Table would be better.. Table variable is created in the memory where as a temporary table is created in the TempDB. But, if there is a memory pressure, the pages belonging to a table variable may be pushed out to tempdb. 2. Table variables cannot be involved in transactions, logging or locking.
Table variables are defined similarly to regular tables, except you define them using a DECLARE statement, rather than using CREATE TABLE: The following simple example shows how to use a table variable in a stored procedure: You can use table variables in user-defined functions, stored procedures, and T-SQL batches.