how to delete all duplicate records from a table using
subquery?
Answer Posted / maninder
delete from abc where rowid not in (select max(rowid) from
abc group by column_name_with_dup.values.);
Is This Answer Correct ? | 10 Yes | 6 No |
Post New Answer View All Answers
Explain temporal data types in oracle
What are the uses of synonyms?
Explain the use of constraints option in exp command.
How much memory your 10g xe server is using?
what are the advantages of running a database in archive log mode?
How does oracle handle read consistency?
How to put more than 1000 values into an oracle in clause?
Explain alias?
HI ALL, CAN ANYONE TELL ME THE DIFFERENCES BETWEEN SQL CLUSTURS,MSQL CLUSTERS,ORACLE CLUSTERS.......THANKS IN ADVANCE
What is a subquery in oracle?
How to create a stored program unit?
What is a schema in oracle?
How to calculate date and time differences in oracle?
Explain the use of owner option in exp command.
List out the types of joins.