QUIZ ON : angular - ANGULARJS INTRODUCTION

ANGULARJS INTRODUCTION

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Question No# : 01 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# : 02 out of 50

Which SQL statement is used to remove a non-unique index from a table?

A. DROP INDEX

B. REMOVE INDEX

C. DELETE INDEX

D. ERASE INDEX

Question No# : 03 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# : 04 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# : 05 out of 50

Which SQL function is used to concatenate two or more columns into a single string?

A. CONCAT()

B. COMBINE()

C. MERGE()

D. JOIN()

Question No# : 06 out of 50

Which SQL clause is used to exclude rows that meet a specific condition in a query?

A. EXCLUDE

B. IGNORE

C. WHERE NOT

D. NOT

Question No# : 07 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# : 08 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# : 09 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# : 10 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# : 11 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# : 12 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# : 13 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# : 14 out of 50

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

A. LCASE()

B. LOWER()

C. CONVERT()

D. TOLOWER()

Question No# : 15 out of 50

Angular js is launched

A. 2010

B. 2008

C. 2001

D. 2005

Question No# : 16 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# : 17 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# : 18 out of 50

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

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

B. Calculates the average value for each group of rows

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

D. Performs a left outer join between tables

Question No# : 19 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# : 20 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# : 21 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# : 22 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# : 23 out of 50

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

A. Assigns a unique number to each row in a result set

B. Counts the total number of rows in a table

C. Orders the 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 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# : 25 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# : 26 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# : 27 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# : 28 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# : 29 out of 50

Which directive initializes an AngularJS application?

A. ng-app

B. ng-init

C. ng-model

D. ng-application

Question No# : 30 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# : 31 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# : 32 out of 50

In MySQL, what is the purpose of the SQL EXPLAIN statement?

A. Provides information about the execution plan of a query

B. Exports data from a table

C. Adds explanatory comments to a query

D. Lists all foreign keys in a database

Question No# : 33 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

Question No# : 34 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# : 35 out of 50

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

A. Converts a value to binary

B. Returns the binary representation of a string

C. Retrieves the last inserted binary data

D. Checks if a value is binary

Question No# : 36 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# : 37 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# : 38 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# : 39 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# : 40 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# : 41 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# : 42 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# : 43 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# : 44 out of 50

AngularJS is perfect for?

A. SPAs

B. MPAs

C. DPAs

D. CPAs

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