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List the types of authorization.
A) Read authorization
B) Write authorization
C) Update authorization
D) Drop authorization
Related fields in a database are grouped in which form? Related data fields in a database are grouped to form a data record. (A record is a collection of related fields)
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
List the data structures implemented by the storage manager. The storage manager executes the following data structure a) Data files b) Data dictionary c) indices
What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
What is the max. no. Of structures that can be included in a table or structure. Nine.
Question: (a) Prepare an ERD for the scenario given below. (b) Convert the ER diagram produced in (a) above into its physical design. You have to choose an appropriate Pri
Determine the steps of path in association network You can analyse use of paths in association network in the following steps: Examine every operation and see what asso
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
crete a data base relationship model Entity: Students; Professors; Dormitories buildings; Attributes of students: Name; Address; Dorm;
Normalize the given relation to 3NF, justifying each step
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