How to delete exactly duplicate records from a table?
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Normalization and denormalization
Explain tablesample?
Explain about Normalization?
What is the latest version of microsoft sql server?
How to copy the tables, schema and views from one sql server to another?
Mention the differences between sql server and mysql.
What are the disadvantages of primary key and foreign key in SQL?
what is difference between Enterprise Manager and Query Analyer
What is the joins and how many types of Joins in sql server a diffrentiate ever one give a suaitable query
Explain sub-query?
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.
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select empid empname from employee What is the result for the about query?
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