QUIZ ON : angular - ANGULARJS INTRODUCTION

ANGULARJS INTRODUCTION

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Question No# : 01 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# : 02 out of 50

Which SQL statement is used to create a primary key constraint on an existing table?

A. ADD PRIMARY KEY

B. CREATE PRIMARY KEY

C. SET PRIMARY KEY

D. PRIMARY KEY TABLE

Question No# : 03 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# : 04 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 set of columns that refers to the primary key of another table

Question No# : 05 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# : 06 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# : 07 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# : 08 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# : 09 out of 50

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

A. ALTER TABLE

B. MODIFY COLUMN

C. CHANGE COLUMN

D. UPDATE TABLE

Question No# : 10 out of 50

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

A. Returns the position of a substring in a string

B. Retrieves the minimum value in a column

C. Counts the number of rows in a result set

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

Question No# : 11 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# : 12 out of 50

Which SQL function is used to convert a string to lowercase?

A. LCASE()

B. LOWER()

C. CONVERT()

D. TOLOWER()

Question No# : 13 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

Question No# : 14 out of 50

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

A. Displays the structure of a database

B. Displays a list of all databases in the server

C. Creates a new database

D. Shows the relationships between tables

Question No# : 15 out of 50

Which SQL function is used to find the position of a substring in a string?

A. POSITION()

B. LOCATE()

C. SUBSTRING_INDEX()

D. STRPOS()

Question No# : 16 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# : 17 out of 50

What is the purpose of the SQL ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW in a window function?

A. Specifies the range of rows to include in the window function from the start to the current row

B. Specifies the range of rows to include in the window function from the current row to the end

C. Excludes the current row from the window function

D. Specifies the range of rows to include in the window function from the start to the end

Question No# : 18 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# : 19 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# : 20 out of 50

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

A. To discard all changes made in a transaction

B. To refresh the table cache

C. To delete all records from a table

D. To optimize and flush the changes to disk for all tables

Question No# : 21 out of 50

Which SQL clause is used to filter the result set based on a pattern?

A. PATTERN BY

B. MATCHING

C. LIKE

D. PATTERN MATCH

Question No# : 22 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# : 23 out of 50

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

A. Returns the first non-null expression among its arguments

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

C. Calculates the average value of numeric column values

D. Retrieves the maximum value among the specified expressions

Question No# : 24 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# : 25 out of 50

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

A. Raises an error and terminates the query

B. Returns the highest value in a column

C. Adds an error message to the database log

D. Resets the error counter

Question No# : 26 out of 50

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

A. Returns the first non-null expression among its arguments

B. Compares two expressions and returns null if they are equal

C. Converts a value to uppercase

D. Concatenates two or more strings

Question No# : 27 out of 50

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

A. Removes all rows from a table

B. Trims leading and trailing spaces from a string

C. Deletes a specific record from a table

D. Rounds a numeric value to the nearest integer

Question No# : 28 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# : 29 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# : 30 out of 50

Which SQL clause is used to combine rows from two or more tables based on a related column?

A. WHERE

B. GROUP BY

C. JOIN

D. HAVING

Question No# : 31 out of 50

Which SQL function is used to return the square root of a numeric value?

A. SQR()

B. SQRT()

C. ROOT()

D. POWER()

Question No# : 32 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# : 33 out of 50

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

A. Retrieves the previous value in a result set based on a specified order

B. Returns the next value in a result set based on a specified order

C. Calculates the average value for each group of rows

D. Counts the number of rows in a result set

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 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# : 36 out of 50

Which of the following statement is correct for AngularJS?

A. AngularJS is an HTML framework

B. AngularJS is a Java framework

C. AngularJS is a JavaScript framework

D. AngularJS is a SQL framework

Question No# : 37 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# : 38 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# : 39 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. Truncates a table structure

D. Performs mathematical operations on numeric values

Question No# : 40 out of 50

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

A. Checks if a value is NULL

B. Converts a value to uppercase

C. Returns the first non-null expression among its arguments

D. Calculates the average value for a column

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 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# : 43 out of 50

What does the SQL statement SHOW INDEX FROM table_name; do?

A. Shows the structure of an index

B. Displays a list of all indexes in a database

C. Shows the indexes associated with a specific table

D. Deletes an index from a table

Question No# : 44 out of 50

Which SQL statement is used to add a new column to an existing table?

A. ADD COLUMN

B. INSERT COLUMN

C. CREATE COLUMN

D. ALTER COLUMN

Question No# : 45 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# : 46 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# : 47 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# : 48 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# : 49 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# : 50 out of 50

On which of the Architectural pattern AngularJS is based?

A. Observer Pattern

B. Decorator pattern

C. MVC Architecture pattern

D. MVVM Architectural pattern