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Multilevel Indexing Scheme Consider the indexing scheme where the address of the block is consider in the index for each record, for a little file, this index would be little a
What is a homogeneous distributed database? In homogeneous distributed databases, all sites have the same database management system software, are aware of one another, and agr
Create centralized relational database using Top down method- Construction of Logical Model: Translation EERD into Relational Schema: Use the 8 steps algorithm of converting EERD
Explain I command in QBE ? I : It is the command in QBE that is used to insert tuple (s) into the database
is Chipo carrying his baby
Describe the candidate key functions ? Candidate Key and Alternate Key: In some instances, an entity will have more than one attribute which can serve as a primary key. Any key
why are older data base model are being replaced by new data model
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.
Define reference file
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
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