関連ワード:  sql server get first 4 characters    sql server first 4 characters    sql server remove first 4 characters from string    sql server remove first 4 characters    sql server left 4 characters    sql server substring first 4 characters    get first 4 characters of a string sql server    sql first 4 characters    sql remove first 4 characters  
結果 : sql server get first 4 characters