The generic handle whose meaning depends on context is . . . . . . . .
A. $dbh
B. $sth
C. $fh
D. $h
Answer: Option D
Solution (By Examveda Team)
This question is about a special variable used in programming with MySQL.This variable, called a handle, is used to connect to the database and perform actions like fetching data.
The question asks for the handle that can be used in different ways, depending on what you want to do.
Let's look at the options: Option A: $dbh
This handle is often used to represent the database connection. Think of it like a key that unlocks your database. Option B: $sth
This handle is usually used to represent a prepared statement. This is like a pre-written instruction that you can use to retrieve data or modify the database. Option C: $fh
This handle is typically used to represent a file. It's not directly related to MySQL. Option D: $h
This is a very generic name and isn't commonly used as a handle for database connections. Therefore, the answer is likely Option B: $sth**. It can be used for various operations, such as fetching data, modifying data, or performing other tasks.
Related Questions on MySQL Miscellaneous
How is communication established with MySQL?
A. SQL
B. Network calls
C. A programming language like C++
D. APIs
Which type of database management system is MySQL?
A. Object-oriented
B. Hierarchical
C. Relational
D. Network
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