What is the problem here? CREATE TABLE [Product, ProductCategory, Supplier, Inventory] ([Product] [null]); ([ProductCategory] [null]); ([Supplier]...
What is the problem here?
CREATE TABLE [Product, ProductCategory, Supplier,
Inventory]
([Product] [null]);
([ProductCategory] [null]);
([Supplier] [null]);
([Inventory] [null]);
Homework Answers
Here i creating table withe name of product. in that table's rows if i'm not inserting any value that means that field is should be null. there is no proble wheter you fill that field or not.
I have attach their practicle proof shown belo screenshot... apart from that nothing else.
example
Add Answer to:
What is the problem here?
CREATE TABLE [Product, ProductCategory, Supplier,
Inventory]
([Product] [null]);
([ProductCategory] [null]);
([Supplier]...
CREATE TABLE person ( pid INTEGER NOT NULL ,pname VARCHAR(30) NOT NULL ,PRIMARY KEY (pid) );...
CREATE TABLE person ( pid INTEGER NOT NULL ,pname VARCHAR(30) NOT NULL ,PRIMARY KEY (pid) ); CREATE TABLE organization ( oid INTEGER NOT NULL ,oname VARCHAR(30) NOT NULL ,PRIMARY KEY (oid) ); CREATE TABLE venue ( vid INTEGER NOT NULL ,area CHAR(1) NOT NULL ,capacity INTEGER NOT NULL ,PRIMARY KEY (vid) ); CREATE TABLE calendar ( vid INTEGER NOT NULL ,date DATE NOT NULL ,price NUMERIC(6,2) NOT NULL ,PRIMARY KEY(vid,date) ,FOREIGN KEY(vid) REFERENCES venue(vid) ); CREATE TABLE event ( eid...
Database Management 6. [5] Create the following table: CREATE TABLE customer ( cust_name VARCHAR(30) NOT NULL,...
Database Management
6. [5] Create the following table: CREATE TABLE customer ( cust_name VARCHAR(30) NOT NULL, address VARCHAR(60), UNIQUE (cust name, address)); A. Run the following inserts and explain why both work and how will you prevent it INSERT INTO customer VALUES ('Alex Doe', NULL); INSERT INTO customer VALUES ('Alex Doe', NULL); 7. [5] Modify the following table definition to ensure that all employees have a minimum wage of $10 CREATE TABLE employee ( empId INT PRIMARY KEY, empName VARCHAR(40)...
SQL I have a database CREATE TABLE vendor ( vid CHAR(2) NOT NULL, vname VARCHAR(25) NOT...
SQL
I have a database
CREATE TABLE vendor
( vid CHAR(2) NOT NULL,
vname VARCHAR(25) NOT NULL,
PRIMARY KEY (vid) );
CREATE TABLE category
( catid CHAR(2) NOT NULL,
catname VARCHAR(25) NOT NULL,
PRIMARY KEY (catid) );
CREATE TABLE product
( pid CHAR(3) NOT NULL,
pname VARCHAR(25) NOT NULL,
price NUMERIC (7,2) NOT NULL,
vid CHAR(2) NOT NULL,
categoryid CHAR(2) NOT NULL,
PRIMARY KEY (pid));
CREATE TABLE region
( rid CHAR NOT NULL,
rname VARCHAR(25) NOT NULL,
PRIMARY KEY (rid)...
-- Schema definition create table Customer ( cid smallint not null, name varchar(20), ...
-- Schema definition
create table Customer (
cid smallint not null,
name varchar(20),
city varchar(15),
constraint customer_pk
primary key (cid)
);
create table Club (
club varchar(15) not null,
desc varchar(50),
constraint club_pk
primary key
(club)
);
create table Member (
club varchar(15) not null,
cid
smallint not null,
constraint member_pk
primary key (club,
cid),
constraint mem_fk_club
foreign key (club)
references Club,
constraint mem_fk_cust...
Using the Table and data below, create a procedure that accepts product ID as a parameter...
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CREATE TABLE vendor ( vendor_id int NOT NULL, vendor_name char(50) NOT NULL, contact_name char(50), CONSTRAINT vendors_pk...
CREATE TABLE vendor ( vendor_id int NOT NULL, vendor_name char(50) NOT NULL, contact_name char(50), CONSTRAINT vendors_pk PRIMARY KEY (vendor_id) ); What is the code to add the foreign key for this table? Can you please add the entire code with mine included. Thank you in advance.
SQL CHECK CONSTRAINT AND TEST CASE... SQL Query Here are the tables: CREATE TABLE Movies( movieID...
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CREATE TABLE Users ( userId varchar (30) NOT NULL, pass varchar (30),
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Database Management
6. [5] Create the following table: CREATE TABLE customer ( cust_name VARCHAR(30) NOT NULL, address VARCHAR(60), UNIQUE (cust name, address)); A. Run the following inserts and explain why both work and how will you prevent it INSERT INTO customer VALUES ('Alex Doe', NULL); INSERT INTO customer VALUES ('Alex Doe', NULL); 7. [5] Modify the following table definition to ensure that all employees have a minimum wage of $10 CREATE TABLE employee ( empId INT PRIMARY KEY, empName VARCHAR(40)...
SQL
I have a database
CREATE TABLE vendor
( vid CHAR(2) NOT NULL,
vname VARCHAR(25) NOT NULL,
PRIMARY KEY (vid) );
CREATE TABLE category
( catid CHAR(2) NOT NULL,
catname VARCHAR(25) NOT NULL,
PRIMARY KEY (catid) );
CREATE TABLE product
( pid CHAR(3) NOT NULL,
pname VARCHAR(25) NOT NULL,
price NUMERIC (7,2) NOT NULL,
vid CHAR(2) NOT NULL,
categoryid CHAR(2) NOT NULL,
PRIMARY KEY (pid));
CREATE TABLE region
( rid CHAR NOT NULL,
rname VARCHAR(25) NOT NULL,
PRIMARY KEY (rid)...
-- Schema definition
create table Customer (
cid smallint not null,
name varchar(20),
city varchar(15),
constraint customer_pk
primary key (cid)
);
create table Club (
club varchar(15) not null,
desc varchar(50),
constraint club_pk
primary key
(club)
);
create table Member (
club varchar(15) not null,
cid
smallint not null,
constraint member_pk
primary key (club,
cid),
constraint mem_fk_club
foreign key (club)
references Club,
constraint mem_fk_cust...
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