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Explain Alternate key?
Alternate Key - All the candidate keys except primary key are known as alternate keys.
Design a gennalization and specialization hierarchy for an automobile sales company
Write a query that display ename annual salary and comm from emp table
Discuss how the one-to-one associations have to be implemented. Some of properties of associations can be implemented directly by providing suitable declarations of the data me
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
Explain algorithm of ER To Relational Mapping ? ER-to-Relational Mapping Algorithm: 1) Step 1: Mapping of regular entity types: For each strong entity type E, form a relatio
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
Question: This Question refers to the database schema given in the Appendix. (a) The integrity of a database is enforced by integrity rules. Discuss what should happen on a
#question.ERD of any car
Ask Write the SQL code that will create the table structure for a table named EMP _1. This table is a subset of the EMPLOYEE table. The basic EMP_1 table structure is summarized in
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