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我很新的SQL,我有一个练习,我必须填充一些表,每个15个条目。我的表ER模型是在这里:https://drive.google.com/file/d/0B9Nv7FRWWX54dnRIUGNPR0U2WTg/edit?usp=sharing 这是我创建的表在MSSQL自动填充表
CREATE TABLE Suppliers
(sid INTEGER ,
sAFM REAL ,
sname CHAR(10) ,
sstreet CHAR(20),
stel REAL,
PRIMARY KEY (sid))
CREATE TABLE Product
(pid INTEGER,
pname CHAR(10),
pdescription CHAR(20),
pprice REAL,
pleft REAL,
sid INTEGER NOT NULL,
PRIMARY KEY (pid),
FOREIGN KEY (sid) REFERENCES Suppliers
ON DELETE CASCADE
ON UPDATE CASCADE)
CREATE TABLE Categories
(ccid INTEGER,
cdescription CHAR(20),
pid INTEGER NOT NULL,
PRIMARY KEY (ccid),
FOREIGN KEY (pid) REFERENCES Product
ON DELETE CASCADE
ON UPDATE CASCADE)
CREATE TABLE Supply
(ssid INTEGER ,
sdate CHAR(8),
squantity REAL,
sid INTEGER NOT NULL,
pid INTEGER UNIQUE,
PRIMARY KEY (ssid),
FOREIGN KEY (sid) REFERENCES Suppliers,
FOREIGN KEY (pid) REFERENCES Product
ON DELETE CASCADE
ON UPDATE CASCADE)
CREATE TABLE Customers
(cid INTEGER ,
cname CHAR(10) ,
cAFM REAL ,
cstreet CHAR(20),
ctel REAL,
PRIMARY KEY (cid))
CREATE TABLE Often_Customers
(cid INTEGER NOT NULL,
ccredit_limit REAL ,
cremainder REAL
PRIMARY KEY (cid)
FOREIGN KEY (cid) REFERENCES Customers)
CREATE TABLE Payments
(cdate CHAR(8) ,
cammount REAL ,
cid INTEGER NOT NULL,
PRIMARY KEY (cid),
FOREIGN KEY (cid) REFERENCES Often_Customers
ON DELETE CASCADE)
CREATE TABLE Places
(gid INTEGER ,
gname CHAR(10) ,
gpopulation REAL ,
sid INTEGER NOT NULL,
cid INTEGER NOT NULL,
PRIMARY KEY (gid),
FOREIGN KEY (sid) REFERENCES Suppliers,
FOREIGN KEY (cid) REFERENCES Customers
ON DELETE CASCADE
ON UPDATE CASCADE)
CREATE TABLE Orders
(oid INTEGER ,
odate_order CHAR(8),
odate_send CHAR(8),
cid INTEGER UNIQUE,
pid INTEGER NOT NULL,
PRIMARY KEY (oid),
FOREIGN KEY (cid) REFERENCES Customers,
FOREIGN KEY (pid) REFERENCES Product
ON DELETE CASCADE
ON UPDATE CASCADE)
是否有一个简单的方法来做到这一点,而不是为每个表写15 INSERT命令?
你用什么数据库做呢? MySQL的?甲骨文? PostgreSQL的? – Melon
快速的方式:PHP为增量变量。 (或随机一个),你也可以看看谷歌:http://www.datanamic.com/datagenerator-for-mysql/index.html – Melon
我使用MS SQL服务器2005年 – user3173977