How do database indexes work?
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What is the difference between char and varchar2 datatype in sql?
i have 4 tables.. T1, T2, T3, T4.. these tables have the same structure and they store the information entered in different years.. T1 stored 2002, T2 stored 2003, T3 stored 2004 and T4 stored 2005.. i want to copy contents in T1 to T2, T2 to T3, T3 to T4 and T4 to T1.. how do i do that? Temp tables cannot be used..
How to delete duplicate rows from table except one?
What is transact-sql language?
What are the steps need to be take improve the speed of a SQLDATA Server?
How fixed length strings are truncated and padded?
What is PROJECTION Operation?
What is in place upgrade in sql server?
Can you type more than one query in the query editor screen at the same time?
What causes index fragmentation?
How can we improve performance by using SQL Server profiler?
Do you know what are various aggregate functions that are available?