how to delete duplicate rows from a specified table(only
single table)
how do you know which join is need to be used
Answer Posted / lakshya
SELECT * FROM table_name
WHERE ROWID NOT IN (SELECT MIN(ROWID) FROM table_name GROUP
BY table_columns);
| Is This Answer Correct ? | 9 Yes | 8 No |
Post New Answer View All Answers
What is procedure and function?
What is record variable?
How do you drop a trigger?
What is union and union all keyword in sql?
What is cursor in pl sql with examples?
write an sql query to get third maximum salary of an employee from a table named employee_table. : Sql dba
Explain the difference between triggers and constraints?
What is primary key sql?
Mention what pl/sql package consists of?
Why query optimization is needed?
Is microsoft sql free?
What is union?
how to get a list of columns in an existing table? : Sql dba
What are the most important ddl statements in sql?
What is clustered index in sql?