関連ワード:  sql select distinct values in a column    sql select unique values in a column    sql select all distinct values in a column    sql select count of distinct values in a column    sql select distinct values in one column    sql select all different values in a column    sql select different values in same column    sql get all unique values in a column    sql get different values in column    sql select distinct values from multiple columns  
結果 : sql select distinct values in a column