How will you select unique values from a list of records?
Post New Answer View All Answers
What is sql partition?
What are operators available in sql?
Where do we use pl sql?
What is rownum and rowid?
What does bitemporal mean?
Is a foreign key always unique?
Can we perform dml in function?
Show how functions and procedures are called in a pl/sql block.
What is index example?
Is it possible to include an insert statement on the same table to which the trigger is assigned?
Which table is left in join?
what is the use of set statement in tsql? : Transact sql
How to revise and re-run the last sql command?
What is a pdo connection?
What is Materialized View? In What Scenario we Use Materialized View?