Q. The number of tables for which DELAYED works is . . . . . . . .
MyISAM, MEMORY, ARCHIVE, BLACKHOLE
MyISAM, MEMORY, ARCHIVE, BLACKHOLE
β
Correct Answer: (D)
4
Explanation: This question is about DELAYED in MySQL, which is a special kind of insert. It's used to delay the actual writing of data to the table until later.