Mysql miscellaneous

Mysql miscellaneous

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. Which of these is not a comment specifying construct?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    The MySQL server understands three types of comments. The single line ‘#’ construct, the multiline /*…*/ construct and the — comment construct. MySQL conforms to the comment standards of SQL.

  1. The columns containing binary value that include null bytes will print properly using the %s printf() format specifier.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    The columns containing binary value including null bytes do not print properly using the %s printf() format specifier. printf() expects a null terminated string. It prints the column value only up to the first null byte.

  1. What does mysql_fetch_row() return?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    ‘mysql_fetch_row()’ returns a MYSQL_ROW value, a pointer to an array of values. If the return value is assigned to a variable named row each value within the row is accessed as row[i].

  1. How many of the following do not return rows?
    SELECT, SHOW, DESCRIBE










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    In MySQL, it is important to note that ‘SELECT’ is not the only statement that returns some rows. Statements like ‘SHOW’, ‘DESCRIBE’, ‘EXPLAIN’ and ‘CHECK TABLE’ do so as well.

  1. What is the number of attributes in the following table?
    CREATE TABLE employee (
    		stu_name CHAR(50),
                    stu_add CHAR(50),
    		stu_id INT
    	);










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    The name of the table created is ’employee’. It has two attributes, namely, ’stu_name’, stu_add and ’stu_id’. The attributes are the columns in a table. stu_name is of type string and stu_id is of type integer.