sql count duplicate rows
SELECT _column, COUNT(*) FROM _table GROUP BY _column HAVING COUNT(*) > 1
sql count duplicate rows
SELECT _column, COUNT(*) FROM _table GROUP BY _column HAVING COUNT(*) > 1
t-sql get duplicate rows
SELECT [CaseNumber], COUNT(*) AS Occurrences FROM [CaseCountry] GROUP BY [CaseNumber] HAVING (COUNT(*) > 1)
sql query duplicate rows
SELECT username, email, COUNT(*) FROM users GROUP BY username, email HAVING COUNT(*) > 1
FIND DUPLICATES IN COLUMN SQL
declare @YourTable table (id int, name varchar(10), email varchar(50)) INSERT @YourTable VALUES (1,'John','John-email') INSERT @YourTable VALUES (2,'John','John-email') INSERT @YourTable VALUES (3,'fred','John-email') INSERT @YourTable VALUES (4,'fred','fred-email') INSERT @YourTable VALUES (5,'sam','sam-email') INSERT @YourTable VALUES (6,'sam','sam-email') SELECT name,email, COUNT(*) AS CountOf FROM @YourTable GROUP BY name,email HAVING COUNT(*)>1
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