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Data Base Management System
1. Draw the Architecture of MySQL and explain about its subsystems briefly.
2. Elaborate with the help of an example the concept of Primary key and foreign key in Relational Database management system.
3. Explain View? With an example, use the format of view statement to create view.
4. What types of anomalies are found in relational database? Explain briefly.
5. Explain the three phases that a query passes through during the DBMS processing of that query? Explain briefly.
6. Write down the advantages of Advantages of Object Oriented Database Management.
Define lock? Lock is the most common used to execute the requirement is to permit a transaction to access a data item only if it is currently holding a lock on that item.
Explain what is DDL? DDL - Data Definition Language: statements used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALT
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Illustrate the collaboration and relationship diagram A collaboration is the society of interfaces, classes and other elements which work together to provide some cooperative b
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
Which types of data supported by MySQL for Time and Date formats? MySQL supports a number of time and date column formats: Some of them are 1) DATE 2) DATETIME 3) TIM
I need a help with my assignment of data envelopment analysis which is due for submission next week on monday the 10th Dec. Will you be able to help so that I can submit it on tim
What is an object ID? Each class-derived table has an ID for primary key, one or more object IDs form primary key for association derived tables. An object ID is equivalent dat
SELECT Statement This statement is used for retrieving information from the databases. It can be coupled with many clauses. Let us talk about these clauses in more detail:
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