Data Types

Data Types

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. To maintain performance of tables having variable length rows, which statement is used?










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: C

    In the variable length rows, there is more fragmentation of the table on which many deletes or updates are performed. OPTIMIZE TABLE is run periodically to maintain performance.

  1. To convert a string to an int, the function is _________________.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    In MySQL, the function used to convert a string to an integer is INET_ATON(). On the other hand, the function INET_NTOA() converts a string to the corresponding integer value.

  1. If ANSI_QUOTES is enabled, MySQL treats the double quotes as ________________.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    The SQL standard specifies the single quotes so that statements are portable across database engines. If ANSI_QUOTES is enabled, MySQL treats the double quotes as identifier-quoting character.

  1. The NUL (‘\0’) is same as the SQL NULL value.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: A

    MySQL recognizes many escape sequences like other programming languages. An escape sequence begin with a backslash character. The ‘\0’ is different from NULL. It is a zero valued byte.

  1. The escape sequence for carriage return is ___________.










  1. View Hint View Answer Discuss in Forum

    NA

    Correct Option: D

    MySQL provides the facility to use a wide range of escape sequences. They are special characters. They begin with the backslash character. For example, ‘\r’ specifies carriage return.