MySQL Operators

MySQL Operators

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. The maximum non zero value for FLOAT is ______________.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    In MySQL, each datatype has its own range. Data types give an idea of the kind of values and the ranges that a variable is allowed to store. The maximum non zero value for FLOAT is 3.402823466E+38.

  1. Which function returns reference to array of row values?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    ‘fetchrow_arrayref()’ returns a reference to an array of row values. The function ‘fetchrow_hashref()’ returns reference to hash of row values. ‘fetch()’ is the same as fetchrow_arrayref().

  1. ‘fetchrow_hashref()’ returns reference to hash of row values keyed by what?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    The function ‘fetchrow_hashref()’ returns reference to hash of row values, keyed by the column name. The function ‘fetchrow_arrayref()’ returns a reference to an array of row values.

  1. Which function returns a reference to hash of row values?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    The function ‘fetchrow_hashref()’ returns reference to hash of row values. ‘fetchrow_arrayref()’ returns a reference to an array of row values. ‘fetch()’ is the same as fetchrow_arrayref().

  1. Which function returns an array of row values?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    The function ‘fetchrow_array()’ returns an array of row values. ‘fetchrow_arrayref()’ returns a reference to an array of row values. ‘fetch()’ is the same as fetchrow_arrayref().