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
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MySQL UNION
MySQL Full-Text Search
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Mysql Error handling
Mysql Compound Statements
MySQL Stored Procedures
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Connection
MySQL Functions
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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
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Access Control for MySQL Stored Programs and Views
Create Database
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Data Types
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Mysql miscellaneous
Where Clause
Update Query
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Sorting Results
Using Join
NULL Values
Transactions
Alter Command
Indexes
Database Info
Using Sequences
  1. What are CROSS JOIN and JOIN are similar to?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    The joins ‘CROSS JOIN’ and ‘JOIN’ types are exactly similar to the ‘INNER JOIN’. The statements containing ‘INNER JOIN’ can replace it with ‘CROSS JOIN’ or ‘JOIN’ to get exactly the same result.

  1. What is the clause that filters JOIN results called?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    Sometimes the result of a join is very large and is not desirable. In these cases, the results can be filtered with the help of the ‘WHERE’ clause which is followed by a set of condition(s).

  1. What is the join where all possible row combinations are produced?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    In ‘cartesian product’, each row of each table is combined with each row in every other table to produce all possible combination. This produces a very large number of rows since the number is the product of rows.

  1. In which table of INFORMATION_SCHEMA is the information about table index characteristics stored?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    The ‘STATISTICS’ table in the ‘INFORMATION_SCHEMA’ stores information about the table index characteristics. ‘INFORMATION_SCHEMA’ is responsible for storing database metadata.

  1. The disk data that the FILES table in INFORMATION_SCHEMA stores is ____________.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    The ‘INFORMATION_SCHEMA’ is a method to access information about the databases and its objects known as metadata. It has various tables that can be viewed with ‘SHOW’ statement.