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Data Control The data control mostly refers to commands that permit system and data privileges to be passed to several users. These commands are usually available to database administrator. Let us see some data control language commands:
Explain the concept of generalization and aggregation in E_R diagrams. Give one example for each one of them? Generalization: Consider extending the entity set account throug
What is Data Storage? The storage structures and access methods used by database system are specified by a set of explanation in a special type of DDL called data storage-defin
write short note on mobile database
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
DISADVANTAGES OF RDBMS
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
WRITE SHORT NOTES ON INDEX STRUCTURE OF FILES? There are two basic parts of indices 1. Ordered indices 2. Hash indices Every technique must be evaluated on the bas
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
What is conceptual model ? A conceptual model is a independent of both hardware and software.
Due date for May 8
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