Mysql Setup

Mysql Setup

Easy Questions

MYSQL

MySQL Subquery
MySQL Character Set
MySQL Views
Mysql Basic
Mysql Setup
Mysql Foreign Keys
Mysql Query Optimization
Interacting With MySQL
Server SQL Mode
MySQL Events
MySQL UNION
MySQL Full-Text Search
MySQL Command Line Tool
Mysql Error handling
Mysql Compound Statements
MySQL Stored Procedures
MySQL Stored Functions
MySQL Triggers
MySQL Connectors and APIs
Connection
MySQL Functions
MySQL Operators
MySQL Table Operations
MySQL Internationalization and Localization
MySQL Database Operations
MySQL Access Control and Security
MySQL Type Conversion in Expression Evaluation
MySQL Scheduling and Locking Issues
MySQL ORDER BY
MySQL HAVING
MySQL GROUP BY
MySQL Optimization
Managing MySQL Users
MySQL Programs
Access Control for MySQL Stored Programs and Views
Create Database
Drop Database
Select Database
Data Types
Create Tables
Insert Query
Select Query
Mysql miscellaneous
Where Clause
Update Query
Delete Query
Sorting Results
Using Join
NULL Values
Transactions
Alter Command
Indexes
Database Info
Using Sequences
  1. What does comparing a known value with NULL result into?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    In MySQL, NULL is not comparable to other known values. It will result in a NULL when compared to any value. The following statement would result in four NULLs: ‘SELECT NULL = 0, NULL < 0, NULL <> 0, NULL > 0’.

  1. Which clause is used to sort query elements?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    An ‘ORDER BY’ clause specifies the sort order. The data is sorted in ascending order by default. To sort in descending order, the keyword DESC is appended to the ‘ORDER BY’ clause. ‘GROUP BY’ is used to group the query results according to a criteria.

  1. Which operator is used to perform integer divisions in MySQL?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    The operator ‘DIV’ is used to perform integer divisions in MySQL. ‘//’ is used in languages like Python to do the same. The operator ‘/’ performs floating point divisions and ‘\’ is facilitates escape sequences.

  1. The number of attributes in the following table is ______________.
    CREATE TABLE Student(
    		name CHAR(30),
    		id INT(11)
    	);










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    The name of the table created is ’Student’. It has two attributes, namely, ’name’ and ’id’. The attributes are the columns in a table. name is of type string and id is of type integer.

  1. Which of the following options tells mysql to ask for entering the password?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    The command ‘mysql -p’ (alternative form: –password) prompts for the password. ‘-h’ (alternative form: –host) specifies the host where the MySQL server is running. ‘-u’ is for specifying the username.