mysql 5.1 configure ±àÒë²ÎÊýÏê½â
-static 13%
--with-client-ldflags=-all-static
--with-mysqld-ldflags=-all-static
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Unix Socket 7.5%
--with-unix-socket path=/usr/local/mysql/tmp/mysql.sock
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--enable-assembler
The --enable-assembler options of configure allows for
compiling in x86 (and sparc) versions of common
string
operations, which should result in more
performance.
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--with-extra-charsets
=complex×Ö·ûÖ§³Ö
--enable-thread-safe-client
#Compile the client with
threads. Ò²¾ÍÊÇÈÿͻ§¶ËÖ§³ÖÏ̵߳ÄÒâ˼
--with-big-tables
There is a limit of 232
(~4.295E+09) rows in a MyISAM
table. If you build MySQL
with the --with-big-tables
option, the
row limitation is increased to (232
)2
(1.844E+19) rows
--with-ssl
--with-embedded-server
#±àÒë³Éembedded MySQL library (libmysqld.a
),
--enable-local-infile
#ÈÃmysqlÖ§³Ö´Ó±¾µØÎļþ µ¼ÈëÊý¾Ý¿â
load data local infile '/usr/test' into table test fields terminated by ' ';
ERROR 1148 (42000): The used command is
not allowed with this
MySQL version£©
--with-plugins=innobase
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Mysql5.1¿ªÊ¼£¬±àÒëÌí¼Óinnodb²å¼þ¾Í´Ó--with-innodb ¸Ä³ÉÁË --with-plugins=innobase
--with-plugins=PLUGIN[[[,PLUGIN..]]]
Plugins to include in
mysqld. (default
is
: none)
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To_Days(end_time)-To_Days(start_time)¡¡
#Á½ÈÕÆÚ/ʱ¼äÖ®¼äÏà²îµÄÃëÊý£º¡¡
SELECT¡¡UNIX_TIMESTAMP(end_time)-¡¡UNIX_TIMESTAMP(start_time);¡¡
#Á½ÈÕÆÚ/ʱ¼äÖ®¼äÏà²îµÄʱ·ÖÊý£º¡¡
SELECT¡¡SEC_TO_TIME(UNIX_TIMESTAMP(end_time)-¡¡UNIX_T ......
create procedure all_joiner_message( in captions varchar(255), in contents text, in objectid int, in types int , out count int)
begin
declare userids int;
DECLARE _done IN ......
ÔÚÌÚ¿ÆÅàѵÁËÓÐ1¸ö°ëÔÂÁË£¬ÖÕÓÚѧÍêJSP+SERVLET+JAVABEAN+MYSQL£¬Ñ§ÁËjavaµÄµÚÒ»Ì×web½â¾ö·½°¸¡£ÀÏʦҪÇóÎÒÃÇ6ÈËÒ»×鿪ʼ×öÒ»¸ö¶©²Íϵͳ¡£Õâ¸öϵͳûÓÐÊ²Ã´ÌØ±ðµÄ£¬¾Í¸úµç×ÓÉ̳ÇÊÇÒ»¸öÑùµÄ¡£ÓÉÓÚÒª¶ÔÊý¾Ý¿â×ö´óÁ¿µÄÔöɾ¸Ä²é£¬ÄǸö´úÂëÓֶ࣬ÎÒÏëÄܲ»Äܽ«Êý¾Ý¿â²Ù×÷µÄÕâÒ»²ã´ò°üÆðÀ´(SqlOperDao)£¬ÈÃÎÒ¶ÔÊý¾Ý¿â²Ù×÷£¬Óü¸Ðд ......
mysqld³ÌÐò--Ŀ¼ºÍÎļþ
basedir = path ʹÓøø¶¨Ä¿Â¼×÷Ϊ¸ùĿ¼(°²×°Ä¿Â¼)¡£
character-sets-dir = path ¸ø³ö´æ·Å×Å×Ö·û¼¯µÄĿ¼¡£
datadir = path ´Ó¸ø¶¨Ä¿Â¼¶ÁÈ¡Êý¾Ý¿âÎļþ¡£
pid-file = filename Ϊmysqld³ÌÐòÖ¸¶¨Ò»¸ö´æ·Å½ø³ÌIDµÄÎļþ(½öÊÊÓÃÓÚUNIX/Linuxϵͳ); Init-V½Å±¾ÐèҪʹÓÃÕâ¸öÎļþÀïµÄ½ø³ÌID½áÊømysqld½ø ......
1.ÅäÖÃÃû×ÖΪmyodbcµÄÊý¾ÝÔ´
2.ÔÚstdafx.hÖмÓÉÏ
#import "c:\program files\common files\system\ado\msado15.dll" no_namespace rename ("EOF", "adoEOF")
3.ÔÚ³ÌÐò³õʼ»¯µÄ·½·¨ÖмÓÉÏ
AfxEnableControlContainer();
// ³õʼ»¯COM,´´½¨ADOÁ¬½ÓµÈ²Ù×÷
AfxOleInit();
4.ÔÚºÏÊʵĵط½¼ÓÉÏ
public:_ConnectionPt ......