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Explain the following functions of Oracle with suitable examples: (i) To_Char( ) (ii) Count( ) (iii) Trim( ) (iv) Length( ) Ans: (i) To_char( ): The TO_CHAR function conver
Which database level is closest to the users? External database level is closest to the users.
Performance of Various Concurrency Control Mechanisms
Describe substring comparison in SQL. For the relation Person (name, address), write a SQL query that retrieves the names of people whose name starts along with ‘A' and address co
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
List the steps for converting state diagram to the code. a) Finding major control path b) Finding the conditional statements c) Finding the loops d) Finding error ro
what are the main characteristics of database
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
What is SQL, and why is it important? SQL stands for Structured Query Language, and is the most significant data processing language in use today. It is not a complete programm
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