関連ワード:  sql search same value in multiple columns    sql find duplicate values in multiple columns    sql select duplicate values in two columns    sql find duplicate values in two columns    sql search value in multiple columns    sql select rows with same values in multiple columns    sql find rows with same value in two columns    sql search value in all columns    sql search value in all columns of a table    sql select one value from multiple columns  
結果 : sql search same value in multiple columns