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What is a hash index?
A hash index organizes the search keys, with their associated pointers, into a hash file structure.
what is natural join?
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
DDL Compiler The DDL compiler changes the data definition statements (such as CREATE TABLE .... in SQL) into a set of tables having metadata tables. These tables have infor
Serialisable Schedules: If the processes of two transactions conflict with each other, how to verify that no concurrency related problems have happened? For this, serialisability t
Create table employee and enter employee data in SQL? Consider the following relational schemas: EMPLOYEE (EMPLOYEE_NAME, STREET, CITY) WORKS (EMPLOYEE_NAME, COMPANYNAME, SAL
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
What is the purpose of storage manager? The storage manager is responsible for the following a) Interaction with the file manager b) Translation of DML commands in to low
What is Relational Algebra? Relational algebra is a Procedural query Language?
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
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