mysql -V
mysql Ver 14.12 Distrib 5.0.86, for portbld-freebsd8.0 (amd64) using 5.2
mysql> status;
3：在help里面查找
以下是代码片段：
cmake -DCMAKE_INSTALL_PREFIX=/var/db/mysql -DWITH=libwrap -DWITH=low-memory
make && make install
/usr/local/bin/mysql_install_db --user=mysql --basedir=/usr/local/ --datadir=/var/db/mysql &
cp my-medium.cnf /etc/my.cnf
# /var/db/mysql/bin/mysqladmin -u root password 'new-password'
www.cmake.org/siles/v2.8/cmake-2.8.7.tar.gz
./configure '--localstatedir=/var/db/mysql' '--without-debug' '--without-readline' '--without-libedit' '--without-bench' '--without-extra-tools' '--with-libwrap' '--with-low-memory' '--with-comment=FreeBSD port: mysql-client-5.5.25a' '--enable-thread-safe-client' '--with-named-thread-libs=-pthread' '--without-server' '--prefix=/usr/local' '--mandir=/usr/local/man' '--infodir=/usr/local/info/' '--build=amd64-portbld-freebsd9.0' 'build_alias=amd64-portbld-freebsd9.0' 'CC=cc' 'CFLAGS=-O2 -pipe -fno-strict-aliasing' 'CXX=c++' 'CXXFLAGS=-O2 -pipe -fno-strict-aliasing -O2 -pipe -fno-strict-aliasing -felide-constructors -fno-rtti -fno-exceptions'"