関連ワード:  sql statement used to extract data    sql statement used to retrieve data    sql command used to retrieve data    sql command used to retrieve data from a table    sql statement used to extract data from database    which sql statement is used to extract data from a table    sql statement used to retrieve data from database    an sql command used to retrieve data is alter true or false    select command is used to extract data from a table true or false    an sql command used to retrieve data is alter