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

  

  

  

  

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 is DML?

  

  

  

  

MySQL comes with as standard with client libraries for:

  

  

  

  

MySQL is

  

  

  

  

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

  

  

  

  

What is DDL?

  

  

  

  

What is Column?

  

  

  

  

MySQL supports the complete SQL99 standard

  

  

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

  

  

  

  

  

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

  

  

  

  

How much character are allowed to create database name?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

What is Table?

  

  

  

  

Which of the following is not a character manipulation function?

  

  

  

  

How much storage space does DATETIME require?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

If you want to undo a GRANT, you should use

  

  

  

  

  

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

  

  

  

  

  

Which statement is used to access an existing Database?

  

  

  

  

A NULL value is treated as a blank or 0.

  

  

  

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

  

  

  

  

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

  

  

  

  

What is Row?

  

  

  

  

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"?

  

  

  

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

  

  

  

  

Where is metadata stored in MySQL?

  

  

  

  

BLOB data type can have default column value.

  

  

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

  

  

  

  

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

  

  

  

  

Can I call a trigger directly called from an application?

  

  

What is DCL?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

Which function used to get the current time in mysql?

  

  

  

Transactions are used to treat sets of SQL statements atomically.

  

  

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

  

  

  

  

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

  

  

  

  

  

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

  

  

  

  

A table may be joined to itself.

  

  

  

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

  

  

  

  

Which of the following is NOT supported by MySQL

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Can joins be nested?

  

  

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

  

  

  

  

Which of these is not a valid name for a column

  

  

  

  

The program called mysql is

  

  

  

  

  

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

  

  

  

  

MySQL Access security is controlled through?

  

  

  

  

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

  

  

  

  

Which of the following is not a MySQL Operator?

  

  

  

  

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

  

  

How many TRIGGERS are allowed in MySql table?

  

  

  

  

The USE command?

  

  

  

  

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

  

  

  

  

A user with RELOAD priveliges can

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

Which of the following is not an SQL aggregate function?

  

  

  

  

  

How is structure of a table got in MySQL?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

What is a candidate key?

  

  

  

  

Which SQL statement is used to return only different values?

  

  

  

  

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

  

  

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

  

  

  

Enum values are stored according to their index numbers

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

  

A SELECT command without a WHERE clause returns?

  

  

  

  

How to view all Triggers in MySQL?

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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

  

  

  

  

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"?

  

  

  

  

  

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

  

  

  

  

  

When do we use a HAVING clause?

  

  

  

  

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

  

  

  

  

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

  

  

The “Mysql command line tool” formats are bounded by

  

  

  

  

MySql | Which of the following is available in MySQL:

  

  

  

  

  

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

  

  

  

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

  

  

The "father" of MySQL is

  

  

  

  

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

  

  

  

  

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