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

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

  

  

  

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

  

  

  

  

Can DISTINCT command be used for more than one column?

  

  

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

  

  

  

  

  

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

  

  

  

  

MySQL runs on which operating systems?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

What kind of replication is supported by the MySQL server?

  

  

  

  

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

  

  

  

  

Which of the following is not a MySQL Operator?

  

  

  

  

MySQL comes with as standard with client libraries for:

  

  

  

  

The "father" of MySQL is

  

  

  

  

A SELECT command without a WHERE clause returns?

  

  

  

  

What does SQL stand for?

  

  

  

  

How to view all Triggers in MySQL?

  

  

  

  

How much character are allowed to create database name?

  

  

  

  

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

  

  

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

  

  

  

  

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

  

  

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

  

  

  

  

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

  

  

  

  

How is structure of a table got in MySQL?

  

  

  

  

Which function used to get the current time in mysql?

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

The result of a SELECT statement can contain duplicate rows.

  

  

  

MySql | Which of the following is available in MySQL:

  

  

  

  

  

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

  

  

  

  

  

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

  

  

  

  

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.

  

  

Commands passed to the MySQL daemon are written in.

  

  

  

  

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

  

  

  

  

  

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

  

  

  

  

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"?

  

  

  

  

  

How many TRIGGERS are allowed in MySql table?

  

  

  

  

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"?

  

  

  

Can I define multiple unique constraints on a table?

  

  

A table may be joined to itself.

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

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

  

  

  

If you want to undo a GRANT, you should use

  

  

  

  

  

A user with RELOAD priveliges can

  

  

  

  

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

  

  

  

  

BLOB data type can have default column value.

  

  

Enum values are stored according to their index numbers

  

  

Which of these is not a valid name for a column

  

  

  

  

How much storage space does DATETIME require?

  

  

  

  

Can joins be nested?

  

  

The USE command?

  

  

  

  

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  

  

  

  

  

A NULL value is treated as a blank or 0.

  

  

  

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

  

  

  

  

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

  

  

  

  

You are required to buy a license for MySQL if

  

  

  

  

  

What is Column?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

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

  

  

  

  

Where is metadata stored in MySQL?

  

  

  

  

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

  

  

  

  

What is Table?

  

  

  

  

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

  

  

MySQL supports the complete SQL99 standard

  

  

Can I call a trigger directly called from an application?

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

What is Row?

  

  

  

  

What is DDL?

  

  

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Which of the following is NOT available in MySQL?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Which SQL statement is used to return only different values?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

Which of the following is not a valid aggregate function?

  

  

  

  

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

  

  

  

  

When do we use a HAVING clause?

  

  

  

  

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

  

  

  

MySQL is

  

  

  

  

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

  

  

  

  

MySQL Access security is controlled through?

  

  

  

  

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.