Mysql Error handling

Mysql Error handling

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. All API calls return a value.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    In MySQL, not all the API calls return a value. The client routine named ‘mysql_close()’ is one that does not. The API calls that return a value are ‘mysql_sqlstate()’, ‘mysql_error()’ etc.

  1. How many of the following use NULL to indicate failure?
    mysql_init(), mysql_real_connect()










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: B

    Both of the client library routines named ‘mysql_init()’ and ‘mysql_real_connect()’ return a pointer to the connection handler in order to indicate success and NULL to indicate failure.

  1. How many of the following does not return a value?
    mysql_close(), mysql_init, mysql_real_connect










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    It is not necessary that every Application Programming Interface call would return a value. For example, the client routine named ‘mysql_close()’ returns void, that is, it does not return a value.

  1. Which of these returns a string containing an error message?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    The API call named ‘mysql_error()’ returns a string containing an error message. ‘mysql_close()’ does not return any value at all. ‘mysql_errno()’ returns a MySQL-specific numeric code.

  1. Which of the following returns a MySQL-specific numeric code?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    The API call named ‘mysql_errorno()’ returns a MySQL-specific numeric error code. ‘mysql_error()’ returns a string containing an error message. ‘mysql_close()’ does not return any value at all.