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.
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   Time Left : 00 : 30    : 00

How much storage space does DATETIME require?

  

  

  

  

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

  

  

  

  

Use the .............. to delete the data inside the table, and not the table itself?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

Which of the following is not a character manipulation function?

  

  

  

  

What is Column?

  

  

  

  

If you want to undo a GRANT, you should use

  

  

  

  

  

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

  

  

BLOB data type can have default column value.

  

  

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

  

  

  

  

What is Table?

  

  

  

  

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

  

  

  

  

How to view all Triggers in MySQL?

  

  

  

  

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

  

  

  

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  

  

  

  

  

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

  

  

  

  

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

  

  

  

  

SQL is not case sensitive. SELECT is the same as select.

  

  

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

  

  

  

  

What kind of replication is supported by the MySQL server?

  

  

  

  

Which of these is not a valid name for a column

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

The result of a SELECT statement can contain duplicate rows.

  

  

  

How many TRIGGERS are allowed in MySql table?

  

  

  

  

You are required to buy a license for MySQL if

  

  

  

  

  

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

  

  

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

  

  

  

MySQL Access security is controlled through?

  

  

  

  

Can I define multiple unique constraints on a table?

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

The program called mysql is

  

  

  

  

  

Which of these commands will delete a table called XXX if you have appropriate authority:

  

  

  

  

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

  

  

  

  

  

If you're writing a client using the C language API, your source code should include the following line at the top:

  

  

  

  

Sometimes the expression "select count(*)" will return fewer rows than the expression "select count(value)".

  

  

Which of the following is NOT available in MySQL?

  

  

  

  

MySQL runs on which operating systems?

  

  

  

  

The "father" of MySQL is

  

  

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

What is a candidate key?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

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

  

  

  

  

User() fucntion returns the current users user name and ___________

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

A SELECT command without a WHERE clause returns?

  

  

  

  

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

  

  

  

  

  

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.

  

  

A NULL value is treated as a blank or 0.

  

  

  

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

  

  

  

  

A user with RELOAD priveliges can

  

  

  

  

Transactions are used to treat sets of SQL statements atomically.

  

  

USE keyword is used to select a ___________

  

  

  

  

Where is metadata stored in MySQL?

  

  

  

  

With SQL, how can you return all the records from a table named "Persons" sorted descending by "FirstName"?

  

  

  

  

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

  

  

  

  

What does SQL stand for?

  

  

  

  

Which SQL statement is used to return only different values?

  

  

  

  

Can joins be nested?

  

  

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

  

  

  

  

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

  

  

  

  

Which SQL statement is used to insert a new data in a database?

  

  

  

  

Enum values are stored according to their index numbers

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

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

  

  

  

  

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

  

  

  

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

  

  

  

  

Which of the following is not a MySQL Operator?

  

  

  

  

MySQL comes with as standard with client libraries for:

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Which of the following is not a valid aggregate function?

  

  

  

  

How much character are allowed to create database name?

  

  

  

  

MySql | Which of the following is available in MySQL:

  

  

  

  

  

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

  

  

  

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"?

  

  

  

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

  

  

  

  

In PHP in order to access MySQL database you will use:

  

  

  

  

MySQL supports the complete SQL99 standard

  

  

What is Row?

  

  

  

  

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

  

  

  

  

Which of the following is NOT supported by MySQL

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

How can you change "Hansen" into "Nilsen" in the "LastName" column in the Persons table?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Can I call a trigger directly called from an application?

  

  

A table may be joined to itself.

  

  

  

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