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What are the different approaches for database design?
There are two basic approaches for database design which are as follows:
Attribute driven: It compiles a list of attributes relevant to application, and normalizes the groups of attributes which preserve functional dependencies. Entity driven: It discovers entities which are meaningful to application, and describe them.
Write a query that display ename annual salary and comm from emp table
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
The following relational database schema represents part of a simplified database used by a library: tblBook (BookID, Title, PublisherID, Category,Price) tblPublisher (Publishe
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Client Server Databases- The concept behind the Client/Server systems is simultaneous, cooperative processing. It is an approach that presents a one systems view from a user's vie
Mention various steps required to draw an E-R Diagram. Draw an E-R Diagram for Student Information System. Mention all suitable assumptions to justify your answer.
Competition entrants can be either Individuals, or Teams. A Team is usually sponsored by a business, and, in that case, the team members would all wear T-shirts with the sponsoring
Many-to-many : Entities in A and B are related with any number of entities from each other. Example: Taught_by Relationship among course and faculty. One faculty member ca
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