将一个字段四舍五入取整:
update project_report
set bt_budget_applay = round(bt_budget_applay, 0)
where report_date = 02
and report_year = '2016'
将一个字段四舍五入取4位小数:
update project_report
set bt_budget_applay = round(bt_budget_applay, 4)
where report_date = 02
and report_year = '2016'