π¨βπ» 10 different ways to remove duplicate records in SQL
π§΅
π§΅
1 - Delete using Unique Identifier.
2 - Using SELF join.
3 - Using Window function.
4 - Using MIN function. This delete even multiple duplicate records.
2 - Using SELF join.
3 - Using Window function.
4 - Using MIN function. This delete even multiple duplicate records.
5 - Using backup table.
6 - Using backup table without dropping the original table.
7 - Delete using CTID.
8 - By creating a temporary unique id column.
6 - Using backup table without dropping the original table.
7 - Delete using CTID.
8 - By creating a temporary unique id column.
9 - By creating backup table
10 By creating backup table without dropping the original table
πFollow @Sachintukumar for more
#SQL #sqlprogramming #sqlqueries #sqldatabase #dataanalytics #dataanalysis #datascience #data #businessanalytics #dataanalyst
10 By creating backup table without dropping the original table
πFollow @Sachintukumar for more
#SQL #sqlprogramming #sqlqueries #sqldatabase #dataanalytics #dataanalysis #datascience #data #businessanalytics #dataanalyst
β’ β’ β’
Missing some Tweet in this thread? You can try to
force a refresh
γ
