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Question
1 Explain the functions of the following
2 Discuss about system catalog in a relational DBMS
3 Explain Embedding SQL Statements
4 Explain what are Anomalies in a Database
5 Explain Project and set operations?
6 What are the reasons for Object-relational impedance mismatch?
7 Write a note on SUBSET Mapping
What is the difference between WHERE and HAVING clauses?. Predicates in the WHERE clause applies to every tuple while the predicate in the HAVING clause applies to groups.
waht is a repeating group?
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
The Locking Protocol: To manage concurrency related problems we use locking. A lock is mainly a variable that is associated with a data item in the database. A lock can be located
atient(PNumber, Name, NHS_no, Amount_due, DNO, Doctor, Medical_Treatment), relation of schema Staff(StaffNum, Name, DNO, Task) and relation of schema Dept(DNO, Name, Location, Dire
a method named WonGame that checks each letter in the word is matched by its label
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 e
What is a data dictionary? Data Dictionary is a main source of data in a data management system. Its major function is to carry the creation and management of data definition
Discuss the importance and characteristics of database backup and recovery procedures, then describe the actions that must be detailed in backup and recovery plan
What is it ?
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