_FNAME VARCHAR(15) NOT NULL, INITIAL CHAR(1), _AREACODE CHAR(3) DEFAULT '615' NOT N CHECK(CUS_AREACODE NOT NULL, PHONE CHAR(8)

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The second photo is the table to use to answer the question
3. Consider the CUSTOMER table ereated at the bottom of page 371. It
has had some content added. You wish to create a duplicate of CUS-
TOMER by doing CREATE TABLE DUPLIC AS (SELECT * FROM
CUSTOMER)
But the duplicate table is missing the integrity constraints. Show how
to use a single ALTER TABLE command so the duplieate table has the
same primary key and CHECK constraints as CUSTOMER.
Transcribed Image Text:3. Consider the CUSTOMER table ereated at the bottom of page 371. It has had some content added. You wish to create a duplicate of CUS- TOMER by doing CREATE TABLE DUPLIC AS (SELECT * FROM CUSTOMER) But the duplicate table is missing the integrity constraints. Show how to use a single ALTER TABLE command so the duplieate table has the same primary key and CHECK constraints as CUSTOMER.
CREATE TABLE CUSTOMER (
CUS CODE
CUS LNAME
NUMBER
PRIMARY KEY,
VARCHAR(15) NOT NULL,
CUS_FNAME
VARCHAR(15) NOT NULL,
CUS_INITIAL
CHAR(1),
CUS_AREACODE CHAR(3)
DEFAULT '615
CHECK(CUS_AREACODE IN (615', 713',931')),
NOT NULL,
NOT NULL
CUS_PHONE
CHAR(8)
CUS_BALANCE
NUMBER(9,2) DEFAULT 0.00,
CONSTRAINT CUS_UI1 UNIQUE (CUS_ LNAME, CUS_FNAME));
Transcribed Image Text:CREATE TABLE CUSTOMER ( CUS CODE CUS LNAME NUMBER PRIMARY KEY, VARCHAR(15) NOT NULL, CUS_FNAME VARCHAR(15) NOT NULL, CUS_INITIAL CHAR(1), CUS_AREACODE CHAR(3) DEFAULT '615 CHECK(CUS_AREACODE IN (615', 713',931')), NOT NULL, NOT NULL CUS_PHONE CHAR(8) CUS_BALANCE NUMBER(9,2) DEFAULT 0.00, CONSTRAINT CUS_UI1 UNIQUE (CUS_ LNAME, CUS_FNAME));
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