Explain what is an index?
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Why is pl sql used?
How do I kill a query in postgresql?
What do you mean by dbms? What are its different types?
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)
How to display Row Number with Records in Oracle SQL Plus?
What is lookup table in sql?
What is an index in sql with example?
What is cursor in pl sql with examples?
Is it possible to use LONG columns in WHERE clause or ORDER BY?
sql query to get zero records from a table having n no of records
What is the use of function "module procedure" in pl/sql?
What are all the different normalizations?
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