Mysql/MY SQL Basic Sample Test Sample Test,Sample questions

Question:
A command that lets you change one or more fields in a record is

1.Insert

2.Modify

3.Look-up

4.All of the above


Question:
According to the SQL-92 standard the asterisk (*) means in Select statements 

1.all columns of the table are to be returned

2.all records meeting the full criteria are to be returned

3. all records with even partial criteria met are to be returned

4.None


Question:
Choose  not a type of SQL constraint?

1.PRIMARY

2.UNIQUE

3.ALTERNATE

4.FOREIGN


Question:
Choose following behavior as an SQL virtual table?

1.view

2.relation

3.Query

4.Query results


Question:
Command makes the updates performed by the transaction permanent in the database?

1.COMMIT

2.ROLLBACK

3.TRUNCATE

4.DELETE


Question:
Find all the user whose id is 10

1.SELECT * FROM user WHERE id= 10;

2.SELECT * FROM WHERE id= 10;

3.SELECT * FROM user.id= 10;

4.None


Question:
Find the temperature in increasing order of all cities

1.SELECT city FROM weather ORDER BY temperature

2.SELECT city, temperature FROM weather

3.SELECT city, temperature FROM weather ORDER BY temperature

4.SELECT city, temperature FROM weather ORDER BY city


Question:
How to select all data from student table starting the name from letter a?

1.%a%

2.a%

3._a&

4.None


Question:
´╗┐Which of the following SQL query can be used to insert new recorder to a database table?

1.add row

2.ADD

3.APPEND

4.INSERT


Question:
Keyword is used to sort ?

1.SORT BY

2.ORDER BY

3.ORDER

4.SORT


Question:
SQL can be used to

1.create database structures

2.query database data

3.modify database data

4.All of the above


Question:
sub-query in an SQL SELECT statement is enclosed in

1.brackets -- [...]

2.parenthesis -- (...)

3.CAPITAL LETTERS

4.braces -- {...}


Question:
The command to delete a table from a database 

1.DROP TABLE tablename ;

2.DELETE TABLE tablename ;

3.REMOVE TABLE tablename ;

4.UPDATE TABLE tablename ;


Question:
The FROM SQL clause is used to.

1.specify what table we are selecting or deleting data FROM

2.specify range for search condition

3.specify search condition

4.None of these


Question:
The HAVING clause does which of the following?

1.Acts EXACTLY like a WHERE clause

2.Acts like a WHERE clause but is used for columns rather than groups

3.Acts like a WHERE clause but is used for groups rather than rows

4.Acts like a WHERE clause but is used for rows rather than columns


Question:
The query to remove rows from a table  named user ?

1.DROP FROM user where id =1

2.UPDATE FROM user where id =1

3.REMOVE FROM user where id =1

4.DELETE FROM user where id =1


Question:
The result of a SQL SELECT statement is a _______

1.file

2.report

3.table

4.None


Question:
The SQL ALTER statement can be used 

1.to change in table data

2.to change in table structure

3. delete rows from the table

4. delete new recored in the table


Question:
The SQL keyword BETWEEN is used 

1.to limit the columns displayed

2.for ranges

3.as a wildcard

4.None of these is correct


Question:
The SQL keyword(s) ________ is used with wildcards

1.NOT IN only

2.LIKE only

3.IN only

4.IN and NOT IN


Question:
The SQL WHERE clause to limits the

1.row data

2.column data

3.Both

4.None


Question:
The wildcard in a WHERE clause is useful when?

1.An exact match is necessary in a CREATE statement

2. An exact match is necessary in a SELECT statement

3.An exact match is not possible in a SELECT statement

4.An exact match is not possible in a CREATE statement


Question:
undo all the updates performed by the SQL in the transaction?

1.ROLLBACK

2.COMMIT

3.TRUNCATE

4.DELETE


Question:
What is the full form of SQL?

1.Structured Query Language

2.Structured Query List

3.Simple Query Language

4.All of the above


Question:
What is the meaning of LIKE %0%0%

1. Feature begins with two 0

2.Feature ends with two 0

3.Feature has more than two 0

4.Feature has two 0 in it, at any position


Question:
What operator tests column for the absence of data?

1.IS NULL

2.NOT

3.EXISTS

4.All of the above


Question:
What SQL query can be used to add columns to a table?

1.ALTER TABLE Table_Name ADD Column_Name

2.Update TABLE TableName ADD COLUMN ColumnName

3.MODIFY TABLE TableName ADD ColumnName

4.MODIFY TABLE TableName ADD COLUMN ColumnName


Question:
When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s)

1.NOT IN only

2.LIKE only

3.IN only

4.Both IN and NOT IN


Question:
When using the SQL INSERT statement..

1.rows can be modified according to criteria only.

2.rows cannot be copied in mass from one table to another only.

3.rows can either be inserted into a table one at a time or in groups.

4.rows can be inserted into a table only one at a time only


Question:
which command is used to SELECT only one copy of each set of duplicate rows

1.SELECT DISTINCT

2.SELECT UNIQUE

3.SELECT DIFFERENT

4.All of the above


Question:
Which is the subset of SQL commands used to manipulate Oracle Database structures, including tables?

1.Data Definition Language(DDL)

2.Data Manipulation Language(DML)

3.Both

4.None of these is correct


Question:
Which of the following do you need to consider when you make a table in SQL?

1.Data types

2.Primary keys

3.Default values

4.All of the above


Question:
Which of the following group functions ignore NULL values?

1.MAX

2.COUNT

3.SUM

4.All of the above


Question:
Which of the following is a SQL aggregate function?

1.AVG

2.LEFT

3.JOIN

4.LEN


Question:
which of the following is not a data definition language commands?

1.RENAME

2.GRANT

3.REVOKE

4.UPDATE


Question:
Which of the following is the original purpose of SQL?

1.To define the data structures

2.To specify the syntax and semantics of SQL data definition language

3.To specify the syntax and semantics of SQL manipulation language

4.All of the above


Question:
Which of the following must be enclosed in double quotes?

1.Column Alias

2.Dates

3.Strings

4.All of the above


Question:
Which of the following SQL commands is used to retrieve data?

1.DELETE

2.SELECT

3.INSERT

4.SELECT


Question:
Which of the following statement is correct for using comparison operators in SQL?

1.SELECT * FROM user WHERE id>50 and id <80

2.SELECT * FROM user WHERE id>50 and <80

3.SELECT * FROM user WHERE id>50 and where id <80

4.SELECT * FROM user WHERE id>50, where id <80


Question:
Which of the SQL statements is correct?

1.SELECT Username AND Password FROM Users

2.SELECT Username, Password FROM Users

3.ELECT Username, Password WHERE Username = user1

4.None of these


Question:
Which SQL keyword is used to retrieve a maximum value?

1.TOP

2.MAX

3.UPPER

4.MOST


Question:
Which SQL keyword is used to retrieve only unique values?

1.DISTINCTIVE

2.UNIQUE

3.DIFFERENT

4.DISTINCT


Question:
Which SQL query can be used to delete columns from a table?

1.update TABLE Table_Name DROP Column_Name

2.MODIFY TABLE Table_Name DROP COLUMN Column_Name

3. ALTER TABLE TableName DROP Column_Name

4.ALTER TABLE TableName DROP COLUMN Column_Name


Question:
Which SQL statement is used to delete data FROM a database?

1.REMOVE

2.ALTER

3.DELETE

4.COLLAPSE


Question:
Which SQL statement is used to update data in a database?

1.SAVE

2.SAVE AS

3.UPDATE

4.MODIFY


More MCQS

  1. MY SQL Basic Sample Test
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