How many rows will return from dual table?
Answer Posted / manoj
Any single row manipulation will work with dual. So only one
out put will work.
Is This Answer Correct ? | 6 Yes | 1 No |
Post New Answer View All Answers
How many types of primary keys are there?
Is primary key an index?
How does rowid help in running a query faster?
Why do we need pl sql?
Is pl sql a programming language?
What does 0 mean in sql?
Why sql query is slow?
What are commit, rollback, and savepoint?
Why do we need unique key in a table?
What is difference between ms sql and mysql?
Why should I use postgresql?
What is the difference between Union and Union all. Which is faster.
How many clustered indexes can be created on a table?
What is data definition language?
Does a join table need a primary key?