Page 6 - Modular_V2.0_SQL_Flipbook

INSIDE THE SERIES

The key features of the series have been designed to ensure better learning, assessment
and evaluation.

Learning Resources

Your Aim: This section Tech Funda: This section
describes the objective of provides a practical information
the chapter. or tip to the students.

Tech Funda
The default user for MySQL is root and by default it
has no password.

Glossary: This section
contains definition of
important IT terms.
Clickipedia: This section Hands On: This section
provides interesting contains craft based activities
GLOSSARY
computer facts. for home assignment.
Aliases: Aliases are used to give a table or column, a temporary name.
Database: A database is defined as an organised collection of data that can be visualised
as a container of information.
Database Server: Database servers are dedicated computers that can hold the actual
databases.
Hands On
Function: Function is a set of predefined commands that perform specific operation to
return a value to the program.
Index: An index is a structure that is used to improve the performance of database activity.
JOIN: A JOIN clause is used to combine rows or two tables based on at least one between Create a Books table with BookID, Title,
them.
MySQL: MySQL is an open-source RDBMS software which is available free of cost. Author, and Price columns. Set BookID as
RDBMS: RDBMS is a relational DBMS in which tables are linked to each other by fields. the PRIMARY KEY.
Relational model: A relational model can be represented as a table of rows and columns.
SQL: SQL is the standard language for managing relational databases and performing
various operations on the data in the tables.
Subquery: A subquery can be defined as a query within another query.
View: A view is a temporary table which is created on the basis of table.
60 Touchpad MODULAR (Version 1.0)
D. Short answer type questions.
1. What is a table?
2. Define default constraint.
3. Write the syntax of the DROP TABLE command.
4. Write the syntax for adding a column to a table.
In The Lab: This is a lab
5. What is the use of CHECK constraint?
E. Long answer type questions. Recap: This section provides
1. Write the steps to install MySQL.
activity to develop practical
2. What are the constraints used in MySQL?
3. How can you delete tables from a database? a summary of the chapter for
4. How can we change the data type of the column in a table?
skills.
5. Describe any five data types used in SQL.
F. Application based question. Experiential Learning quick recapitulation.
1. Anaya has created a table in SQL. Now, she wants to add one more field in the table. But she forgets
the syntax for adding a field in a table. Help her in doing so.
2. Viraj is working on a table in MySQL. He wants to restricts the value range that can be placed in a
column. Suggest a SQL constraint that can help him.
In the lab Subject Enrichment
1. Create a table named ‘Employee’ with the following structure:
EmpID Integer
FirstName Char(30)
LastName Char(30)
Salary Integer
2. Create another table and set table constraints as follows:
a. 2 fieldnames as primary keys
b. All fields to have not null values
Teacher's Corner
1. Help the students downloading and installing MySQL.
2. Demonstrate the students to modify a table with examples.
Introduction to MySQL 21