a. The following pair of concepts are related in some way and different in another. Explain how the concepts are similar and how they are different: TABLE / VIEW
a. The following pair of concepts are related in some way and different in another. Explain how the concepts are similar and how they are different: TABLE / VIEW
Fundamentals of Information Systems
9th Edition
ISBN:9781337097536
Author:Ralph Stair, George Reynolds
Publisher:Ralph Stair, George Reynolds
Chapter3: Database Systems And Big Data
Section: Chapter Questions
Problem 4PSE
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Question
a. The following pair of concepts are related in some way and different in another. Explain how the concepts are similar and how they are different: TABLE / VIEW
b. The following pair of concepts are related in some way and different in another. Explain how the concepts are similar and how they are different: UPDATE / ALTER
c. The following pair of concepts are related in some way and different in another. Explain how the concepts are similar and how they are different: DELETE / DROP
Expert Solution
Step 1
a)
Similarities:
Table:
- It is a collection of rows and columns.
- Here, all the rows are identified by some primary keys, and columns are identified by their unique column names.
- It is used to store data in the database.
- The table can be created by using the CREATE TABLE command.
- Different types of UPDATE, DELETE, or INSERT commands are used to modify or update the table in SQL.
View:
- They are also stored in the database like a table.
- Once the view is created in the database, it can be called any number of times by using its name.
- The execution time of view is very less.
- Views are used to restrict access to table data.
- They play important role in data security.
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