Study tips 1Z0-872

Using column prefix indexing helps reduce

Which of the following best describes how a column prefix index works and why its an advantage?

variable-length types, respectively?

Which of the following are valid optimization techniques?

For maximum efficiency in join operations of one column from each of two tables, which of the following statements regarding indexes are true?

Which of the following statements are true?

Which of the following describe situations when MySQL generates warnings?

Consider the following statement: show COUNT (*) warnings what would be the result of executing this statement?

Which of the following is a valid method to restrict the amount of records returned from SHOW WARNINGS?

When executing multi-row operations, what should be the first thing you look for to see if anything unexpected happened?