A、创建DBMS B、查询DBMS C、连接DBMS D、更改DBMS
A、CREATE PROC B、CREATE VIEW C、CREATE TABLE D、CREATE INDEX
A、create schema B、create table C、create view D、create index
A、create table B、create view C、create index D、create assertion
A、create index B、create schema C、create table D、create view
A、CREATE INDEX B、CREATE SCHEMA C、CREATE TABLE D、CREATE VIEW
A、A.CREATE PROC B、B.CREATE VIEW C、C.CREATE TABLE D、D.CREATE DATABASE
A、CREATE VIEW v1AS SELECT类别,SUM(数量)FROM商品GROUP BY类别 B、CREATE VIEW v1AS SELECT类别,COUNT(数量)FROM商品GROUP BY类别 C、CREATE VIEW v1(类别,总数量)AS SELECT类别,SUM(数量)FROM商品GROUP BY类别 D、CREATE VIEW v1(类别,总数量)AS SELECT类别,COUNT(数量)FROM商品GROU PBY类别
订单号: 遇到问题请联系在线客服