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Write an SQL Query to
Delete Duplicate records from a table using ROWID.
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Answer Posted / amit bhatnagar
Swati is cool. buth her queries are correct. you can either
take rowid >with subquery fetching minimum (rowid) else
Rowid < with subquery fething maximum (row id)
DELETE FROM <table_name> T1
WHERE T1.ROWID > (SELECT MIN(T2.ROWID)
FROM <table_name> T2
WHERE T2.<common column name> = T1.<common
column name>)
----------------------------
DELETE FROM <table_name> T1
WHERE T1.ROWID < (SELECT MAX(T2.ROWID)
FROM <table_name> T2
WHERE T2.<common column name> = T1.<common
column name>)
Good job Swati.. :)
| Is This Answer Correct ? | 15 Yes | 6 No |
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