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 vote394 views1 answer
Primary key start from number
SQL
1 vote373 views1 answer
Oracle sql average
SQL
0 vote364 views1 answer
Version_info, _mysql.version_info, _mysql.__file__ NameError: name '_mysql' is not defined
SQL
1 vote370 views2 answers
Group_concat limit mysql
SQL
28 votes335 views4 answers
Mysql delete database
SQL
0 vote365 views1 answer
Formatting code with SQL Developer
SQL
1 vote392 views1 answer
Sql server delete top 1000
SQL
0 vote320 views1 answer
Get only first row mysql
SQL
0 vote343 views1 answer
What is the essence of SQL?
SQL
0 vote368 views1 answer
Sparql if bound query
SQL