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. SHOW DATABASES lists the databases in the server to which you are connected.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    The ‘SHOW DATABASES’ command is used to display the list of the databases that are being managed by the server to which connection is established. This list would vary from server to server.

  1. To see the table structure, which of the following commands is issued?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    The ‘DESCRIBE’ command is issued to see the structure of the table ‘tbl_name’. It shows the structure in the format: Field-Type-Null-Key-Default-Extra. The ‘VIEW’ and ‘SELECT’ commands are used to see the contents of the table.

  1. What does ‘Student ’ & ‘name’ specify?
    CREATE TABLE Student (name);










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    The ‘CREATE TABLE’ construct’s syntax is ‘CREATE TABLE tbl_name (column_specs)’. ‘tbl_name’ indicates the table name. ‘column_specs’ provides the specifications of the table attributes.

  1. Suppose you want to select a database named ‘sampledb’ as the default database. Which of the following commands do you use?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    ‘USE sampledb’ selects sampledb as the default database. Initially, ‘SELECT DATABASE();’ command displays ‘NULL’, since no database is selected by default. The other two are not valid commands.

  1. The query ‘SELECT NOW()’ shows the current _____________.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    SELECT NOW() is an SQL query. It shows both the current date and the current time. It is generally displayed in the format ‘yyyy-mm-dd hh-mm-ss’. For example, 2009-04-21 11-51-36.