1.

Loading is faster when a table has no indexes than when it is indexed.(a) True(b) FalseI had been asked this question in exam.The origin of the question is Loading Data Efficiently topic in chapter Query Optimization of MySQL

Answer»

Correct answer is (a) True

Easiest explanation: LOADING is faster when a table has no indexes. If there are indexes, the contents of the row should be ADDED to the table and each index MUST also be modified to NOTIFY the ADDITION of the new row.



Discussion

No Comment Found

Related InterviewSolutions