Mysql Basic

Mysql Basic

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
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Data Types
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Insert Query
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Where Clause
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Sorting Results
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NULL Values
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Alter Command
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Database Info
Using Sequences
  1. Which server mode value enables use of double quotes to wrap identifier names?










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    NA

    Correct Option: C

    In MySQL, use of double quotes is enabled when the server SQL mode ‘ANSI_QUOTES’ is set. The use of backticks is still allowed. For example, SELECT TABLE “my table” is a statement that is allowed.

  1. Which of the following is an illegal unquoted identifier name?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    In MySQL, the quoted and unquoted identifier names have differences in the level of restrictions imposed on them. An unquoted identifier name can’t have all digits since it would be impossible to distinguish it from an integer constant.

  1. How are identifiers quoted in MySQL?










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    NA

    Correct Option: B

    An identifier is quoted within the backtick characters ‘`’. This allows use of any character except a byte with value 0 or 255. Single quotes and double quotes are not allowed when quoting identifier names.

  1. MySQL is freely available and is open source.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    MySQL is free and open source. It’s source code is available for use and is freely downloadable. It includes the MySQL Server, the world’s most popular open source database, and MySQL Cluster, a real-time, open source transactional database.

  1. What represents a ‘tuple’ in a relational database?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    Each row in a table represents a record. A tuple is a collection of attribute values that makes a record unique. A tuple is a unique entity whereas attribute values can be duplicate in the table.