What are tables in sql?
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how mysql optimizes distinct? : Sql dba
What is clustered index in sql?
What is substitution variable?
Explain the update statement in sql
Can we call a function containing dml statements in a select query?
What is a stored procedure in sql with example?
How can get second highest salary in sql?
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Explain unique key in sql.
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a. Can you delete data from a View. b. If Yes, can you delete it if there are multiple tables c. If No, can you delete if there is single source table which is joining.
If I have a table T with 4 rows & 2 columns A & B. A has values 1,2,3,4. and B has 10,20,30,40. Write an Update SQL query which can Swap the values of A & B for all records. (Do not use a sub-query)
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