QUIZ ON : angular - ANGULARJS INTRODUCTION

ANGULARJS INTRODUCTION

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Question No# : 01 out of 50

Which directive initializes an AngularJS application?

A. ng-app

B. ng-init

C. ng-model

D. ng-application

Question No# : 02 out of 50

Which SQL statement is used to count the number of rows in a table?

A. TOTAL ROWS

B. COUNT ROWS

C. NUMROWS

D. SELECT COUNT(*)

Question No# : 03 out of 50

In MySQL, what is the purpose of the SQL FLUSH PRIVILEGES statement?

A. Refreshes the database indexes

B. Removes all privileges from a user

C. Reloads the privileges from the grant tables in the mysql system database

D. Deletes all records from a table

Question No# : 04 out of 50

Which SQL command is used to change the data type of a column in a table?

A. ALTER TYPE

B. MODIFY COLUMN

C. CHANGE COLUMN

D. ALTER TABLE

Question No# : 05 out of 50

In MySQL, what is the purpose of the SQL FLUSH PRIVILEGES statement?

A. Resets the database engine

B. Clears the query cache

C. Reloads the privilege tables

D. Drops all indexes from a table

Question No# : 06 out of 50

What is the purpose of the SQL GROUP_CONCAT() function?

A. Concatenates rows into a single string based on a specified condition

B. Groups rows based on a columns values

C. Counts the number of rows in a result set

D. Retrieves the minimum value in a column

Question No# : 07 out of 50

What is the purpose of the SQL FORMAT() function?

A. Rounds a numeric value to the nearest integer

B. Formats a date or numeric value according to a specified format

C. Converts a string to lowercase

D. Retrieves the length of a string

Question No# : 08 out of 50

Which SQL statement is used to add a unique constraint to a column?

A. ADD UNIQUE

B. UNIQUE COLUMN

C. SET UNIQUE

D. CREATE UNIQUE

Question No# : 09 out of 50

What is the purpose of the SQL SESSION variable @@autocommit?

A. Sets the isolation level of the current transaction

B. Controls whether each SQL statement is treated as a transaction and is automatically committed

C. Retrieves the current users login name

D. Changes the collation of the current session

Question No# : 10 out of 50

Which SQL function is used to return the current users host name and user name?

A. USER()

B. CURRENT_USER()

C. HOST_USER()

D. SESSION_USER()

Question No# : 11 out of 50

What does the SQL statement SET foreign_key_checks = 0; do?

A. Disables foreign key checks for the current session

B. Enables foreign key checks for the entire database

C. Deletes all foreign keys from a table

D. Modifies the structure of a foreign key

Question No# : 12 out of 50

Which SQL command is used to change the data type of a column in a table?

A. MODIFY COLUMN

B. CHANGE COLUMN

C. ALTER COLUMN

D. CONVERT COLUMN

Question No# : 13 out of 50

What is the purpose of the SQL HAVING clause when used with GROUP BY?

A. Filters rows based on a condition before grouping

B. Groups rows based on a condition

C. Applies a condition to individual records after grouping

D. Sorts the result set in descending order

Question No# : 14 out of 50

Which SQL statement is used to grant SELECT privileges on all tables in a database to a user?

A. GRANT SELECT ON database.* TO user;

B. GRANT ALL PRIVILEGES ON database.* TO user;

C. GRANT DATABASE SELECT TO user;

D. GRANT USER SELECT ON database.*;

Question No# : 15 out of 50

What is the purpose of the SQL EXTRACT() function?

A. Removes a specific column from a table

B. Extracts a substring from a string

C. Extracts a part (year, month, day, etc.) from a date or time

D. Extracts a numeric value from a column

Question No# : 16 out of 50

AngularJS is perfect for?

A. SPAs

B. MPAs

C. DPAs

D. CPAs

Question No# : 17 out of 50

Which SQL statement is used to perform a self-join?

A. SELF JOIN

B. INNER JOIN

C. CROSS JOIN

D. LEFT JOIN

Question No# : 18 out of 50

What does the SQL statement SET FOREIGN_KEY_CHECKS = 0; do?

A. Disables foreign key checks for the current session

B. Sets the foreign key values to zero in the specified table

C. Removes all foreign key constraints from the database

D. Sets the value of a foreign key column to zero

Question No# : 19 out of 50

What is the purpose of the SQL SHOW COLUMNS FROM table_name statement?

A. Displays the structure of a table

B. Shows the relationships between tables

C. Lists all columns in a table

D. Retrieves the values in a specific column

Question No# : 20 out of 50

What is the purpose of the SQL TRIM() function?

A. Removes leading and trailing spaces from a string

B. Concatenates two or more strings

C. Converts a string to uppercase

D. Rounds a numeric value to the nearest integer

Question No# : 21 out of 50

What is the purpose of the SQL TRIM() function?

A. Removes all records from a table

B. Trims leading and trailing spaces from a string

C. Deletes a specific column from a table

D. Rounds a numeric value to the nearest integer

Question No# : 22 out of 50

In MySQL, what is the purpose of the SQL LOCK TABLES statement?

A. To lock a specific row in a table

B. To prevent other sessions from accessing a table for a specific purpose

C. To modify the structure of a table

D. To unlock a table for other sessions

Question No# : 23 out of 50

What is the purpose of the SQL SESSION_USER() function?

A. Returns the current date and time

B. Returns the username of the current user

C. Counts the number of rows in a result set

D. Retrieves the maximum value in a column

Question No# : 24 out of 50

What is the purpose of the SQL TRIM() function?

A. Truncates a string to a specified length

B. Removes leading and trailing spaces from a string

C. Extracts a substring from a string

D. Replaces a specified substring with another substring

Question No# : 25 out of 50

Who is inventor of Angular js?

A. Tim Berners Lee

B. Misko Hevery

C. Bill Gates

D. None of these

Question No# : 26 out of 50

Which SQL function is used to retrieve the current users hostname and user name concatenated?

A. CURRENT_USER()

B. USER_NAME()

C. SESSION_USER()

D. SYSTEM_USER()

Question No# : 27 out of 50

In MySQL, what is the purpose of the SQL CURDATE() function?

A. Returns the current date and time

B. Returns the current date

C. Converts a string to lowercase

D. Retrieves the highest value in a column

Question No# : 28 out of 50

What is the purpose of the SQL LAST_INSERT_ID() function?

A. Retrieves the last record in a table

B. Returns the last ID generated by an AUTO_INCREMENT column

C. Retrieves the last value in a column

D. Returns the last date and time a record was modified

Question No# : 29 out of 50

What does the SQL statement GRANT ALL PRIVILEGES ON *.* TO user@localhost; do?

A. Grants the user all privileges on all databases from any host

B. Grants the user all privileges on a specific database from any host

C. Grants the user specific privileges on all databases from a specific host

D. Grants the user permission to create a new database

Question No# : 30 out of 50

What is the purpose of the SQL DATE_FORMAT() function?

A. Converts a date to a string with a specified format

B. Adds a specified number of days to a date

C. Retrieves the current date and time

D. Returns the difference between two dates

Question No# : 31 out of 50

In MySQL, what does the term "Auto Increment" refer to?

A. A function that increments a numeric value by a specified step

B. A constraint used for sorting the table

C. A unique identifier for a record in a table that increments automatically

D. A command to increment the value of a column

Question No# : 32 out of 50

Which SQL command is used to revoke all privileges from a user?

A. DENY ALL PRIVILEGES

B. REVOKE ALL

C. REVOKE ALL PRIVILEGES

D. DELETE PRIVILEGES

Question No# : 33 out of 50

In MySQL, what does the term "Foreign Key" refer to?

A. A key used for sorting the table

B. A unique identifier for a record in a table

C. A key used for encryption

D. A column or a set of columns in a table that refers to the primary key of another table

Question No# : 34 out of 50

What is the purpose of the SQL BINARY operator?

A. Converts a string to uppercase

B. Performs a case-sensitive comparison

C. Adds two binary numbers

D. Converts a string to lowercase

Question No# : 35 out of 50

Which SQL clause is used to define a condition for a group of rows when using the HAVING clause?

A. WHERE

B. GROUP

C. FILTER

D. CONDITION

Question No# : 36 out of 50

Which SQL command is used to revoke all privileges from a user?

A. REVOKE ALL

B. DENY ALL PRIVILEGES

C. REVOKE PRIVILEGES

D. REMOVE ALL PRIVILEGES

Question No# : 37 out of 50

Which SQL clause is used to sort the result set in descending order?

A. ORDER BY DESC

B. SORT DESC

C. DESCENDING

D. REVERSE ORDER

Question No# : 38 out of 50

In MySQL, what is the purpose of the SQL SHOW WARNINGS statement?

A. Displays warnings generated during the execution of the last statement

B. Shows all warnings in the database

C. Lists all columns with warning messages

D. Clears all warning messages

Question No# : 39 out of 50

What is the purpose of the SQL COALESCE() function when used with multiple arguments?

A. Returns the average value of the arguments

B. Returns the first non-null argument

C. Concatenates the arguments into a single string

D. Adds up all the arguments

Question No# : 40 out of 50

What is the purpose of the SQL RAND() function when used with a seed value?

A. Generates a random number without any seed value

B. Generates a random number based on a specified seed value

C. Generates a random string

D. Retrieves a random record from a table

Question No# : 41 out of 50

In MySQL, what is the purpose of the SQL EXISTS operator?

A. Checks if a table exists in the database

B. Tests for the existence of rows in a subquery

C. Checks if a column exists in a table

D. Tests for the existence of a database

Question No# : 42 out of 50

What is the purpose of the SQL ROW_NUMBER() window function?

A. Returns the row number of a result set

B. Counts the total number of rows in a table

C. Retrieves the last row in a result set

D. Assigns a unique identifier to each row in a table

Question No# : 43 out of 50

Which SQL statement is used to rename a column in a table?

A. RENAME COLUMN

B. ALTER COLUMN

C. CHANGE COLUMN

D. MODIFY COLUMN

Question No# : 44 out of 50

What is the purpose of the SQL CROSS JOIN?

A. Combines rows from two or more tables based on a related column

B. Retrieves all rows from both tables, regardless of a match

C. Performs a join operation with a condition

D. Creates a Cartesian product of two tables

Question No# : 45 out of 50

Which SQL function is used to return the current users login name?

A. USER()

B. CURRENT_USER()

C. LOGIN_NAME()

D. SESSION_USER()

Question No# : 46 out of 50

Which SQL statement is used to change the data type of a column in a table?

A. MODIFY COLUMN

B. ALTER TYPE

C. CHANGE COLUMN

D. ALTER COLUMN

Question No# : 47 out of 50

Which SQL statement is used to remove a unique constraint from a column?

A. DROP CONSTRAINT

B. REMOVE CONSTRAINT

C. ALTER TABLE

D. DELETE CONSTRAINT

Question No# : 48 out of 50

Which SQL statement is used to change the data type of a column in a table?

A. ALTER COLUMN

B. MODIFY COLUMN

C. CHANGE COLUMN

D. CONVERT COLUMN

Question No# : 49 out of 50

In MySQL, what is the purpose of the SQL FLUSH PRIVILEGES statement?

A. Flushes the contents of a table

B. Refreshes the privileges held by the server

C. Deletes all privileges from a user

D. Flushes the query cache

Question No# : 50 out of 50

What is the purpose of the SQL REPEAT() function?

A. Repeats a string a specified number of times

B. Returns the position of a substring in a string

C. Concatenates two or more strings

D. Rounds a numeric value to the nearest integer