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Database Management Systems
1. Explain SQL Server 2000 Architecture with diagram.
2. Describe Second Normal and Third Normal Form.
3. Explain about query engine and storage manager in MySQL architecture.
4. Describe any five Relational database components.
5. What are the benefits of making the system catalogs relations?
6. Describe any five Alternative Objective Oriented Database Strategies.
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the delet
Nested Queries Let us see some more complex queries in this section. Sub-queries: Some of the basic concerns of sub-queries are: A sub-query is a SELECT statemen
Write a short note on oracle Instance? Oracle Instances: An instance is the (executed) Oracle software and the memory they use. It is the instance which manipulates the data s
What is Foreign Key Foreign Key: Sometimes we may have to work with an attribute that does not have a primary key of its own. To recognize its rows, we have to use the primar
How can you connect to the MySQL Server? In order to connect to the MySQL server it is necessary to give the username and password so this be able to done with The following
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
Mention the type of constraints we can specify in the CREATE command of DDL. The type of constraints that can be specified are as follows:- PRIMARY KEY, NOT NULL, UNIQUE, FOR
Write short notes on relational constraints? Relational Constraints are: 1. NOT NULL 2. Unique 3. Primary key 4. Foreign key 5. Table check
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