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What is trigger?
Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
complete assignment on the above title.
Write short notes on relational constraints? Relational Constraints are: 1. NOT NULL 2. Unique 3. Primary key 4. Foreign key 5. Table check
Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re
A database administrator''s responsibilities and data contents
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In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
wrie a report on whether a BSc n information systems develops the skills required by employers in Database administration
Consider a bank that has a collection of sites, each running a database system. Suppose the only way the databases interact is by electronic transfer of money between one another,
Distributed Database Management System
Q. Explain data aggregatio n and discuss different design constraints. Sol. Aggregation One limitation of the E-R model is that it cannot express relationships amon
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