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Define a table in SQL known as Client that is used to store information about the clients. Define CLIENT_NO as the primary key whose first letter must begin with ‘C'. Also ensure that the column ‘NAME' should not permit NULL values.
Column name Data type SizeCLIENT_NO Varchar2 6NAME Varchar2 20ADDRESS1 Varchar2 30ADDRESS2 Varchar2 30CITY Varchar2 15STATE Varchar2 15PINCODE Number 6BAL_DUE Number 10, 2
Ans:CREATE TABLE CLIENT( CLIENT_NO VARCHAR2(6) PRIMARY KEY CHECK (CLIENT_NO LIKE‘C%'), NAME VARCHAR2(20) NOT NULL, ADDRESS1 VARCHAR2(30), ADDRESS2 VARCHAR2(30), CITY VARCHAR2(15), STATE VARCHAR2(15), PINCODE NUMBER(6), BAL_DUE NUMBER(10,2))
Create Student DB and execute Insert query? STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course
how to implement hyrise in C plus plus
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
Higher Normal Forms Is there more normal forms beyond BCNF? Yes, though, these normal forms are not based on the concept of functional dependence. More normalisation is needed if
What is multiple relationship ?
what are the states of transaction?
A Distributed Transaction Let us demonstrate the concept of a distributed transaction by considering a banking system having of three branches located in 3 different cities. Ev
An instance of relational schema R (A, B, C) has distinct values of A including NULL values. then A is a candidate key or not? If relational schema R (A, B, C) has distinct val
What are the Objectives of object design After going through this unit, you could be able to: explain steps of object design; discuss algorithms that reduce costs;
Define the terms i) Entity type ii) Entity set Entity type: An entity type describes a collection of entities that have the similar attributes. Entity set: The set of all en
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