Page 7 - Modular_V2.0_SQL_Flipbook

Assessment Resources

Exercise: This section has objective and subjective questions.
Exercise D. Short answer type questions.
1. What is a database?

A. Tick ( ) the correct option. 2. What do you mean by foreign key?
1. Which SQL command is used to create a new table in MySQL? 3. What is SQL?
a. FORM TABLE b. MAKE TABLE 4. What is a table?
c. EXECUTE TABLE d. CREATE TABLE 5. Define record.
2. Which of the following data types is used to include decimal numbers? E. Long answer type questions.
a. Integer b. Float 1. What do you mean by DBMS? Write the name of the fields in which DBMS are used.
c. Date d. Bool 2. Write the names of relational database management systems that are commonly used.
3. The …………………… constraint restricts the value range that can be placed in a column. 3. Differentiate between primary key and foreign key.
a. DEFAULT b. UNIQUE 4. Write any three features of the SQL.
c. CHECK d. None of these 5. Differentiate between DBMS and RDBMS.
4. Which of the following clause is used to delete column? F. Application based question. Experiential Learning
a. REMOVE COLUMN b. DROP COLUMN 1. Reema is working in a database of her organisation. She has applied a key to a column in a table. Now,
c. DELETE COLUMN d. ERASE COLUMN the column is not accepting any duplicate or null values. Which type of key has she applied?
5. Which of the following data types is used to include character string with variable length of n? 2. Seema wants to retrieve, update, insert and delete data in a database which SQL command should she
use. Write the common statements of that command.
a. CHARACTER (n) b. VARCHAR (n)
c. FLOAT( p) d. None of these In the lab Subject Enrichment
B. Write 'T' for true and 'F' for false. 1. Collect the details of any 10 students of your class and write them in MS Word document in the form
of rows and columns. Identify the column that can be used as a primary key.
1. In a database table, every column must have a name and data type. …………………… Code State Capital
2. A data type defines a sort of value that a column will contain. …………………… 01 Bihar Patna
3. The TIMESTAMP data type stores hour, minute and second values. …………………… 02 Maharashtra Mumbai
4. Primary keys must have unique values and may have NULL values. …………………… 03 04 Goa Tamil Nadu Panjima
Chennai
5. SQL constraints are used to define rules for table data. …………………… 05C Uttarakhand Dehradun
C. Fill in the blanks using the words given below.
2. Look at the tables given below. Identify primary key in each table. Specify can the tables be linked
to each other. Create the tables in MS Word.
Table, One, Modifying, Constraints, SQL ID Discount (in %) Net Amt.
003 25 2000
1. …………………… constraints are used to define rules for table data. 002 30 3000
2. …………………… is also known as a relation. 001 5 750
3. A table can only have …………………… primary key. 004 10 6500
005 15 3500
4. …………………… a table means making a change in the base structure of the table.
5. …………………… are used to restrict the types of data that can be entered into a table. Teacher's Corner
1. Before starting the chapter, ask the students name of any two database software.
2. Explain the students about differences between DBMS and RDBMS with example.
20 Touchpad MODULAR (Version 1.0) 12 Touchpad MODULAR (Version 1.0)
Test Sheet: This section Project Work: This is an
has questions to assess assessment to challenge
students. the students to apply the
concepts learn.
Test Sheet-1
(Based on chapters 1 to 3) PROJECT WORK
Section A
A. Tick ( ) the correct option.
1. Which of the following keys is used to specify a unique field in a table?
a. Primary key b. Secondary key
c. Composite key d. None of these Project 1 Creativity
2. The term “TCL” stands for …………………… . Bharat Associates Pvt. Ltd. wants to design a database which can store the details of its
a. Termination Control Language b. Transmission Control Language Customers and make their billing details. The table name and its structure are as follows:
c. Transaction Central Language d. Transaction Control Language
3. Which SQL command is used to create a new table in MySQL? Table Name : CUSTOMER Table Name : BILLDETAILS
a. FORM TABLE b. MAKE TABLE Field Name Data Type Field Name DataType
c. EXECUTE TABLE d. CREATE TABLE
CustId Number[NUMERIC] CustID Number[NUMERIC]
4. Which of the following data types is used to include decimal numbers?
CName Text[VARCHAR] Quotation Number[NUMERIC]
a. Integer b. Float
Add1 Text[VARCHAR] Challan Number[NUMERIC]
c. Date d. Bool
STATEID Number[NUMERIC] Bill Number[NUMERIC]
5. The wildcard characters used in Like operator are …………………… and …………………… .
a. (_), * b. %, * Phone Number[NUMERIC] Amount_Billed Number[NUMERIC]
c. (_), % d. *, $ Mobile Number[NUMERIC] Amount_Paid Number[NUMERIC]
6. Which of the following does not fall under the relational operators?
ContactPerson Text[VARCHAR]
a. <,<= b. >,>= CreditLimit Number[NUMERIC]
c. <,> d. AND, OR
B. Write ‘T’ for true and ‘F’ for false.
Table Name : STATE
1. In a database, data can be simultaneously accessed by many users. ……………………
Field Name Data Type
2. There can be more than one primary key in a table. ……………………
StateID Number[NUMERIC]
3. The TIMESTAMP data type stores hour, minute and second values. ……………………
4. SQL constraints are used to define rules for table data. …………………… StateName Text[VARCHAR]
5. The DELETE command is used to remove columns from a table. …………………… Generate a query that will display the records of Customer Table along with Statename and Billing
6. WHERE specifies the criteria according to which rows are retrieved. …………………… details of the customer.
C. Fill in the blanks. Update any CustID in CUSTOMER table and verify if the same gets updated in BILLDETAILS table.
1. The concept of relational database was developed by …………………… .
2. The main table of a database is referred to as the …………………… .
Test Sheet-1 31
Project Work 55
Teacher's Resources
Teacher’s Resources facilitate the teaching learning process. This includes:
 Teacher’s Note: This section provides notes for extended teaching.
 Teacher’s Resource Material: This includes complete answer key to the coursebook and worksheets.