What is difference between inner join and self join?
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I have a Employee table with columns ename,eid,salary,deptno. How to retrieve sum of salary for each deptno?
Can we group by two columns in sql?
What will you get by the cursor attribute sql%notfound?
What packages are available to pl/sql developers?
How to raise user-defined exception with custom sqlerrm ?
How to select unique records from a table?
Which sql most popular?
What is trigger explain with example?
What is function and procedure?
Show the cursor attributes of pl/sql.
What is dml with example?
What is materialized view. What are different methods of refresh?
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