関連ワード:  sql match two columns in same table    sql compare two columns in same table    sql server compare two columns in same table    oracle sql compare two columns in same table    sql compare 2 fields in same table    sql query to compare two columns in same table    sql query to compare two date columns in same table    sql compare two columns in different tables    sql compare multiple columns in two tables  
結果 : sql match two columns in same table