Duplicate record mysql

Select where duplicate mysql

SELECT 
    col1, COUNT(col1),
    col2, COUNT(col2)
FROM
    table_name
GROUP BY 
    col1, 
    col2
HAVING 
       (COUNT(col1) > 1) AND 
       (COUNT(col2) > 1);

Source: mysqltutorial.org

Find duplicate keys in mysql

SELECT col, COUNT(col) FROM table_name GROUP BY col HAVING COUNT(col) > 1;

Duplicate record mysql

SELECT firstname, 
   lastname, 
   list.address 
FROM list
   INNER JOIN (SELECT address
               FROM   list
               GROUP  BY address
               HAVING COUNT(id) > 1) dup
           ON list.address = dup.address;

Source: stackoverflow.com

MySQL repeated values

            
                
            
         SELECT 
    col, 
    COUNT(col)
FROM
    table_name
GROUP BY col
HAVING COUNT(col) > 1;
Code language: SQL (Structured Query Language) (sql)

-1

Source: mysqltutorial.org

Similar codes

0 vote331 views1 answer
Plpgsql raise notice
SQL
0 vote341 views1 answer
Mysql get date diff in months
SQL
10 votes338 views3 answers
Join multiple tables sql
SQL
13 votes306 views2 answers
Sqlite rename column
SQL
2 votes364 views1 answer
Oracle Column Names of a table
SQL
20 votes371 views4 answers
How to find average in sql
SQL
0 vote338 views1 answer
Convert excel into sqllite db using python
SQL
1 vote270 views1 answer
Postgres reset auto increment
SQL
0 vote326 views1 answer
Double in sql server example
SQL
1 vote369 views1 answer
Oracle transaction rollback not working
SQL