INSERT DELAYED
and FLUSH TABLES
introduced
in 3.23.42.
SELECT
with
many tables and multi-column indexes and 'range' type.
EXPLAIN SELECT
when using
many tables and ORDER BY
.
LOAD DATA FROM MASTER
when using table with
CHECKSUM=1
.
BDB
tables.
BDB
tables and UNIQUE
columns defined
as NULL
.
myisampack
when using pre-space filled CHAR
columns.
--safe-user-create
.