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Problem
1. Create a PL/SQL program to insert data into student table and display the details of the student having Reg.No 1010
Writing a PL/SQL program to
2. Create a PL/SQL program to generate first 10 natural numbers using loop, while and for
What is Cross Product? Simply Cross product is Binary Operator
What is data model? Explain object based and record based data models? Ans: A data model is an abstract model in which describes how data is represented and accessed. (i)
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
Which model is record based logical model? Network Modelis basically known as record based logical model.
definition and its work
What is an ERD?
What is advantage of two-way association? Two-way association advantages are following: a) Independent of the classes. b) Useful for existing predefined classes that are
What is Trigger? Trigger: A database trigger is procedural code which is automatically executed in response to specific events on a particular table in a database. Triggers can
Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline the
What are the drawbacks of shadow-paging technique? The drawbacks of shadow paging is:- a) Commit Overhead b) Data fragmentation c) Garbage collection
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