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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Which statement is used to access an existing Database?

  

  

  

  

How is structure of a table got in MySQL?

  

  

  

  

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

  

  

  

  

How much character are allowed to create database name?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Enum values are stored according to their index numbers

  

  

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

  

  

  

  

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

  

  

  

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

  

  

  

  

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

  

  

  

  

A SELECT command without a WHERE clause returns?

  

  

  

  

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

  

  

  

  

MySQL comes with as standard with client libraries for:

  

  

  

  

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

  

  

  

  

How to view all Triggers in MySQL?

  

  

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

You are required to buy a license for MySQL if

  

  

  

  

  

What does SQL stand for?

  

  

  

  

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

  

  

  

  

The result of a SELECT statement can contain duplicate rows.

  

  

  

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

  

  

  

  

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

  

  

  

  

Which of the following is NOT supported by MySQL

  

  

  

  

MySQL Access security is controlled through?

  

  

  

  

Can I define multiple unique constraints on a table?

  

  

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

  

  

  

  

A NULL value is treated as a blank or 0.

  

  

  

What kind of replication is supported by the MySQL server?

  

  

  

  

A user with RELOAD priveliges can

  

  

  

  

USE keyword is used to select a ___________

  

  

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

How many TRIGGERS are allowed in MySql table?

  

  

  

  

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

  

  

  

  

What is Table?

  

  

  

  

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.

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Which of the following is NOT available in MySQL?

  

  

  

  

Which SQL statement is used to return only different values?

  

  

  

  

Commands passed to the MySQL daemon are written in.

  

  

  

  

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

  

  

What is Column?

  

  

  

  

Which of the following is not a character manipulation function?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

The “Mysql command line tool” formats are bounded by

  

  

  

  

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

  

  

  

  

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

  

  

  

  

The "father" of MySQL is

  

  

  

  

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

  

  

  

  

Which of the following is not a MySQL Operator?

  

  

  

  

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

  

  

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

  

  

  

  

MySQL supports the complete SQL99 standard

  

  

When do we use a HAVING clause?

  

  

  

  

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

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Which of the following is not a valid aggregate function?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

MySQL runs on which operating systems?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

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?

  

  

  

  

What is a candidate key?

  

  

  

  

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

  

  

  

  

MySQL is

  

  

  

  

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

  

  

  

  

The USE command?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

Where is metadata stored in MySQL?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

MySql | Which of the following is available in MySQL:

  

  

  

  

  

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

  

  

  

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

  

  

  

  

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

  

  

  

  

What is Row?

  

  

  

  

Transactions are used to treat sets of SQL statements atomically.

  

  

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

  

  

  

  

  

Can DISTINCT command be used for more than one column?

  

  

Which of these is not a valid name for a column

  

  

  

  

What is DML?

  

  

  

  

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

  

  

  

  

How much storage space does DATETIME require?

  

  

  

  

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