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How to delete duplicate rows in sql server?
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Is BCNF better than 2NF & 3NF? Why?
0 Answers Akamai Technologies,
Suppose i have one sql query that contains 2 minute to execute.After one weekly i am executing same query that is taking 5 minute.Why our same query is taking more time.what would be my approach to reduce execution time.Please help.
1 Answers Cognizant, HCL, Value Labs,
How many types of cursor type are there?
1. SELECT SUM(sal) as “Gross Salary” from EMPLOYEES; 2. SELECT MAX(sal) as “Highest Salary” from EMPLOYEES; ouput should be in table format
Comment,Datatypes are unlimited
Explain cdc and sql injection?
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please differentiate between delete and truncate?
What stored procedure can you use to display the current processes?
How to change location of errorlog in SQL?
Can one drop a column from a table?
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