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What is a virtual table that draws its data from the result of an SQL SELECT statement?
View is a virtual table that draws its data from the result of an SQL SELECT statement.
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
Explain the steps for reduction of E-R model into relational model. Ans:(a) Entity set in E-R model will be considered as table name in relational Model. (b) Attributes of e
Explain the difference between using functions along with and without grouping attributes in relational algebra. Give examples. Ans: Group functions are used to group data of
basic structure of xml
Differentiate between a Global and a Local temporary table? - A local temporary table exists only for the duration of a connection or if defined inside a compound statement, fo
how the string works as keyword?
You are to write a property management database program that allows a real estate agent to view, add, search, and save property listings. The program is to do the following: 1.
PART MARKING: We will only mark TWO of the four questions below but you must submit answers to all four. We will choose the questions we mark randomly and we will supply you with
What are segments in oracle? Segments - Each table has single field of disk space, known as segment, set aside for it in the tablespace. Segments consist of contiguous sections
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