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The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Consider the two relations given below Given that A is the primary key of R, D is the primary key of S and there is a referential integrity among S.A and R.A, discuss all
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
Explain the Static or conservative Two Phase Locking: Static (or conservative) Two Phase Locking: In this type of scheme, all the data items are locked earlier than any opera
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MySQL statements for extending the database to incorporate new facilities Deliverables for submission You must submit the following deliverables in the Assignment Dropbox in
Describe the functions and features of foreign key? Foreign Key : The primary key of one file or table that is implanted in another file or table to implement the relationships
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appears
what is data link layer
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