Delete duplicate records in the emp table.
Answer Posted / smriti
delete from tablename a where a.rowid>(select min(rowid)
from tablename b where a.columnname=b.columnname)
| Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
what is a database transaction? : Sql dba
What are the datatypes available in pl/sql ?
What is sql and how does it work?
What kind of join is join?
What is sql prepared statement?
What is the usage of nvl function?
How insert into statements in sql?
What are different types of sql?
What is sql keyword?
What is a dirty read sql?
Why partition by is used in sql?
What are the different types of functions in sql?
What do you mean by rowid?
What is a schema? How is it useful in sql servers?
How many indexes can be created on a table in sql?