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What is a function group? A function group is a collection of logically related modules that share global data with every other. All the modules in the group are contained in
Consider entity type Employee with attributes empNumber (this is unique), empName, and the year when he/she was hired. An employee can either be a technical employee, a marketing e
Timestamps For Read operations: If TS (T) If TS (T) >= W-timestamp (Q), then the transaction T is trying to read a value of data item Q which has been written and committed
What does data dictionary is a special file contains ? The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files an
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
Discuss the types of integrity constraints in which must be checked for the update operations - Insert and Delete. Give examples. Insert operation can violet any of the subse
HOW MANY TYPES OF VIEWS
QUESTION (a) Give two advantages of using Linked List as compared to arrays. (b) (i) You are working as programmer at the Orange Mauritius branch. You have been asked to cre
Where does view definition stored? A view definition is permanently stored as part of the database.
Preliminary entities and attributes of human resourse management database management system
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