RESET
RESET {MASTER|SLAVE|QUERY CACHE}[, ...]Use this statement to reset certain server settings and
files. It’s similar to the FLUSH statement, but
more powerful for its specific uses. The RELOAD
privilege is required to use it. Multiple options may be given in a
comma-separated list. Currently, you can reset the
MASTER, QUERY CACHE, and
SLAVE options. See the RESET MASTER and the RESET SLAVE statements in Chapter 8 for detailed explanations of each option.
The QUERY CACHE option clears the cache containing SQL query results.