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Event
Occurrence of a process is called event. In other words, the object can receive many input instructions. The changes which occur due to these instructions are known as events. For example, tossing a coin is input, but appearance of either HEAD or TAIL is an event.
Which of the operations constitute a basic set of operations for manipulating relational data? Relational algebra operations constitute a basic set of operations for manipulati
WHERE and HAVING clause in SQL ? The WHERE clause is commonly used for implementing conditions on each tuple of the relation. The HAVING clause is used in combination along wi
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
vertical fragmentation
Give some encryption techniques? A) DES B) AES C) Public key encryption
What is database Trigger? A database trigger is a PL/SQL block that can explained to automatically execute for insert, update, and delete statements against a table. The trigge
a brief definition
Compare wait-die deadlock prevention scheme with wait-wound scheme Ans: Wait-Die Scheme a) Based upon a nonpreemptive technique. b) If Pi requests a resource present
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
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