What is the life of an sql statement?
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How do you modify a table in sql?
What is a schema in sql?
How do you declare a user-defined exception?
What is sqlerrm?
What do you mean by field in sql?
How do you truncate?
Does oracle use sql?
how to retrieve last tree records from table? select *from emp where rownum > (select count(*)-3 from emp); i am using this query to get last three records from table but its not giving any output, so please tell me what is the error in this query.
How does rowid help in running a query faster?
Which certification is best for sql?
What is PL/SQL table ?
What is CYCLE/NO CYCLE in a Sequence?