sql查询 SELECT A.attnum, ( SELECT description FROM pg_catalog.pg_description WHERE objoid = A.attrelid AND objsubid = A.attnum ) AS descript, A.attname, ( select typname from p...
1. 行后分页 (ROW() - 3) % 100 = 02. 添加数据校验OR(ISNULL(C3), B3 = C3) 主键不能修改！OR(E3 = "X", ISNULL(E3)) 删除标记格式错误！REVERSE(ISNULL(B3)) 不能为空 3. 条件查询select * from APD_ENV_KPI128_VEHICLE_DEMAND...