a2zinterviews

21.	Which object is returned by DB::connect()?
	DB::connect() returns an object of type DB_common. This is always a child implementation specific to a database application.
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22.	How would you delete a named element from a database?
	You can delete an element with dba_delete().
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23.	Which function would you use to write a line of data to a file?
	You can write data to a file with the fputs() function.
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24.	How would you determine the size of a file?
	The filesize() function returns a file's size in bytes.
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