PL/SQL打开日志和关闭日志

/关闭日志/
l_str := ‘alter table zx_bus_jxl_data_source_bak nologging’;
EXECUTE IMMEDIATE l_str;
/打开日志/
l_str := ‘alter table zx_bus_jxl_data_source_bak logging’;
EXECUTE IMMEDIATE l_str;