Database - Sql Test

Test Instructions :

1. The Test is 1hr duration.
2. The Test Paper consists of 30 questions. The maximum marks are 30.
3. All the questions are multiple choice question type with three options for each question.
4. Out of the three options given for each question, only one option is the correct answer.
5. Each question is allotted 1 mark for each correct response.
6. 0.25 will be deducted for incorrect response of each question.
Start Test

   Time Left : 00 : 30    : 00

Which of the following is not a character manipulation function?

  

  

  

  

A view is nothing but a ________ table or a stored query

  

  

  

  

How much storage space does DATETIME require?

  

  

  

  

What does the DESC keyword do in the following query? SELECT * FROM MY_TABLE WHERE ID > 0 ORDER BY ID, NAME DESC

  

  

  

  

  

What SQL clause is used to restrict the rows returned by a query?

  

  

  

  

MySQL supports the complete SQL99 standard

  

  

With SQL, how can you insert "Olsen" as the "LastName" in the "Persons" table?

  

  

  

What will happen at the end of the following sequence of SQL commands? BEGIN TRANSACTION DELETE FROM MYTABLE WHERE ID=1 DELETE FROM OTHERTABLE ROLLBACK TRANSACTION

  

  

  

  

  

What is Table?

  

  

  

  

Transactions are used to treat sets of SQL statements atomically.

  

  

Which command is used on Mysql command line tool to return to window command shell?

  

  

  

  

Which of the following is the correct SQL statement to use to remove rows from a table?

  

  

  

  

Which of the following file extension is a valid MyISAM file extension?

  

  

  

  

With SQL, how do you select all the records from a table named "Persons" where the value of the column "FirstName" starts with an "a"?

  

  

  

  

  

Which command is used for taking “server side help” in Mysql command line tool

  

  

  

  

To remove duplicate rows from the result set of a SELECT use the following keyword:

  

  

  

  

Internally information is held in tables. Which of these is NOT a valid format:

  

  

  

  

  

How is structure of a table got in MySQL?

  

  

  

  

________ is an open source DBMS product that runs on UNIX, Linux and Windows.

  

  

  

  

What is Column?

  

  

  

  

To use MySQL on your computer, you'll need?

  

  

  

  

The result of a SELECT statement can contain duplicate rows.

  

  

  

Which of the following commands should be used to create a database named “student”?

  

  

  

  

Which one will delete the table data as well as table structure?

  

  

Enum values are stored according to their index numbers

  

  

Which is the default order of sort in ORDER BY clause?

  

  

Which of the following ways below are the correct way to get the current date?

  

  

  

  

The main MySQL program that does all the data handling is called?

  

  

  

  

In a LIKE clause, you can ask for any 6 letter value by writing?

  

  

  

  

The “Mysql command line tool” formats are bounded by

  

  

  

  

Which of the following is NOT available in MySQL?

  

  

  

  

Which function used to get the current time in mysql?

  

  

  

Can I define multiple unique constraints on a table?

  

  

How many distinct, different values can you hold in an enum field?

  

  

  

  

Which SQL keyword is used to sort the result-set?

  

  

  

  

With SQL, how do you select all the records from a table named "Persons" where the "LastName" is alphabetically between (and including) "Hansen" and "Pettersen"?

  

  

  

With SQL, how do you select all the records from a table named "Persons" where the "FirstName" is "Aru" and the "LastName" is "Sum"?

  

  

  

  

With SQL, how can you return the number of records in the "Persons" table?

  

  

  

  

If you want to undo a GRANT, you should use

  

  

  

  

  

What does SQL stand for?

  

  

  

  

With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table?

  

  

  

With SQL, how do you select all the columns from a table named "Persons"?

  

  

  

  

Which of these field types would be best to hold a film title?

  

  

  

  

On executing DELETE command, if you get an error "foreign key constraint" what does it imply?

  

  

  

  

Can DISTINCT command be used for more than one column?

  

  

Which of these is not a valid name for a column

  

  

  

  

MySql | Which of the following is available in MySQL:

  

  

  

  

  

USE keyword is used to select a ___________

  

  

  

  

What is DDL?

  

  

  

  

Which SQL statement is used to delete data from a database?

  

  

  

  

The “Mysql command line tool” format the results in which of the following format:

  

  

  

  

What is DML?

  

  

  

  

An outer join requires each record in the two joined tables to have a matching record.

  

  

  

  

Mysql command line tool is used to show “how many rows are returned and how long SQL command took to execute”

  

  

  

  

Which command is used for showing current date and time in Mysql command line tool?

  

  

  

  

The USE command?

  

  

  

  

The ............. statement is used to delete a table.

  

  

  

  

Which of the following is used to delete an entire MYSQL database?

  

  

  

  

What MySQL property is used to create a surrogate key in MySQL?

  

  

  

  

When do we use a HAVING clause?

  

  

  

  

In a SELECT with a GROUP BY clause, a WHERE clause, and a HAVING clause, the WHERE conditions are applied before the HAVING conditions.

  

  

  

  

Given an employees table as follows:   emp_id emp_name 1 Brush 2 Jerrin  what value will be return by below query ? Select count(*) from employees  

  

  

  

  

You are required to buy a license for MySQL if

  

  

  

  

  

One of the early proponents of relational database who laid down many of the principles we use to this day was:

  

  

  

  

  

What kind of replication is supported by the MySQL server?

  

  

  

  

Which of the following is NOT supported by MySQL

  

  

  

  

What is DCL?

  

  

  

  

Which authentications are required for login into Mysql command line tool?

  

  

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

How do I find out all databases starting with ‘test to which I have access to?

  

  

  

  

Can I call a trigger directly called from an application?

  

  

Which statement is used to access an existing Database?

  

  

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

mysql_pconnect() is used to make a persistent connection to the database which means a SQL link that do not close when the execution of your script ends.

  

  

What type of lock will deny users any access to a table?

  

  

  

  

  

Which of the following is not a MySQL Operator?

  

  

  

  

If an ENUM column is declared NOT NULL, its default value is the first element of the list of allowed values.

  

  

  

  

What is the command for counting all the rows in a table in MySQL?

  

  

  

  

How much character are allowed to create database name?

  

  

  

  

With SQL, how can you insert a new record into the "Persons" table?

  

  

  

With SQL, how do you select a column named "FirstName" from a table named "Persons"?

  

  

  

A user with RELOAD priveliges can

  

  

  

  

In a LIKE clause, you can could ask for any value ending in "qpt" by writing

  

  

  

  

Which of the following DBMSs do not have a native PHP extension?

  

  

  

  

  

Which command is used in Mysql command line tool to return to window command shell?

  

  

  

  

MySQL comes with as standard with client libraries for:

  

  

  

  

Which of these is a valid call to a function (watch the spaces carefully!)

  

  

  

  

MySQL is

  

  

  

  

Which of these field types would be best to hold a .jpg image?

  

  

  

  

Which of the following can add a row to a table?

  

  

  

  

BLOB data type can have default column value.

  

  

A NULL value is treated as a blank or 0.

  

  

  

A SELECT command without a WHERE clause returns?

  

  

  

  

What is Row?

  

  

  

  

A table may be joined to itself.

  

  

  

What's the difference between the DESCRIBE and SHOW FIELDS FROM commands?

  

  

  

How can we get the number of records or rows in a table?

  

  

  

  

What is a candidate key?

  

  

  

  

Can joins be nested?

  

  

With SQL, how do you select all the records from a table named "Persons" where the value of the column "FirstName" is "Peter"?

  

  

  

  

Note:
  • Click the 'Submit Test' button given in the bottom of this page to Submit your answers.
  • Test will be submitted automatically if the time expired.
  • Don't refresh the page.