Q. Avoiding NULL in columns may make queries simpler.

View solution

Q. Which of these can be used to generate hash values?

View solution

Q. IP numbers can be represented as _________________

View solution

Q. Bulk loading is less efficient than single row loading.

View solution

Q. Loading is faster when a table has no indexes than when it is indexed.

View solution

Q. Which is more efficient?

LOAD DATA, INSERT

View solution

Q. Without LOCAL, LOAD DATA is _________________

View solution

Q. Which option turns on the –extended-insert?

View solution

Q. Which table option for MyISAM tables reduces index flushing?

View solution

Q. Which option repairs MyISAM tables automatically after they open?

View solution

Q. The option which delays index flushing for slave server is _________________

View solution

Q. TO enable the compressed client/server protocol the option is _________________

View solution

Q. To reactivate indexes the command used is _________________

View solution

Q. Which of these has higher priority?

writes, reads

View solution

Q. How many of the following implement the default scheduling property of MySQL?

MyISAM, MERGE, MEMORY

View solution

Q. Which statement issues a lock on tables?

View solution

Q. Reading from a table does not change it.

View solution

Q. To how many of these does the LOW_PRIORITY modifier apply to?

DELETE, INSERT, LOAD DATA, REPLACE

View solution

Q. The number of tables among the following for which HIGH_PRIORITY have an effect are _________________

MyISAM, MEMORY, MERGE

View solution

Q. The number of tables for which DELAYED works is _________________

MyISAM, MEMORY, ARCHIVE, BLACKHOLE

View solution