


1. Download MYSQL5.1.48 source code, CMAKE, VS2008
2. Install CMAKE and VS2008, unzip MYSQL5.1.48 to D:mysql
3. Open CMD; CD D:mysql
4. Run the command in CMD: wscript winconfigure.js WITH_INNOBASE_STORAGE_ENGINE WITH_PARTITION_STORAGE_ENGINE MYSQL_SERVER_SUFFIX=-pro
5. Run the command in CMD: winbuild-vs9.bat
6. Open the D:mysqlsqlsql_local.cc file with ULTRA EDIT, save it as UTF-8 format, overwrite the original file
7. Modify file D :test_lc_time_sz function in mysqlsqlmysqld.cc, change the code
if ((*loc)->max_month_name_length != max_month_len ||
(*loc)->max_day_name_length != max_day_len)
{
DBUG_PRINT("Wrong max day name (or month name) length for locale:",
("%s", (*loc)->name));
DBUG_ASSERT(0);
}
Comment it
8. Put the entire folder D:mysqlwindata Copy to D:mysqlsql
9. Use VS2008 to open D:mysqlMySql.sln, compile the code, and execute the mysqld project
10. Open D:mysqlclientDebugmysql.exe, this is a client tool, equivalent to ORALCE's SQLPLUS
11. Inside Execute the statement SHOW DATABASES to test.
The above introduces the method of downloading the Chinese version of mysql5.0 and compiling MYSQL5148 in VS2008, including the content of downloading the Chinese version of mysql5.0. I hope it will be helpful to friends who are interested in PHP tutorials.

PHPsessionscanstorestrings,numbers,arrays,andobjects.1.Strings:textdatalikeusernames.2.Numbers:integersorfloatsforcounters.3.Arrays:listslikeshoppingcarts.4.Objects:complexstructuresthatareserialized.

TostartaPHPsession,usesession_start()atthescript'sbeginning.1)Placeitbeforeanyoutputtosetthesessioncookie.2)Usesessionsforuserdatalikeloginstatusorshoppingcarts.3)RegeneratesessionIDstopreventfixationattacks.4)Considerusingadatabaseforsessionstoragei

Session regeneration refers to generating a new session ID and invalidating the old ID when the user performs sensitive operations in case of session fixed attacks. The implementation steps include: 1. Detect sensitive operations, 2. Generate new session ID, 3. Destroy old session ID, 4. Update user-side session information.

PHP sessions have a significant impact on application performance. Optimization methods include: 1. Use a database to store session data to improve response speed; 2. Reduce the use of session data and only store necessary information; 3. Use a non-blocking session processor to improve concurrency capabilities; 4. Adjust the session expiration time to balance user experience and server burden; 5. Use persistent sessions to reduce the number of data read and write times.

PHPsessionsareserver-side,whilecookiesareclient-side.1)Sessionsstoredataontheserver,aremoresecure,andhandlelargerdata.2)Cookiesstoredataontheclient,arelesssecure,andlimitedinsize.Usesessionsforsensitivedataandcookiesfornon-sensitive,client-sidedata.

PHPidentifiesauser'ssessionusingsessioncookiesandsessionIDs.1)Whensession_start()iscalled,PHPgeneratesauniquesessionIDstoredinacookienamedPHPSESSIDontheuser'sbrowser.2)ThisIDallowsPHPtoretrievesessiondatafromtheserver.

The security of PHP sessions can be achieved through the following measures: 1. Use session_regenerate_id() to regenerate the session ID when the user logs in or is an important operation. 2. Encrypt the transmission session ID through the HTTPS protocol. 3. Use session_save_path() to specify the secure directory to store session data and set permissions correctly.

PHPsessionfilesarestoredinthedirectoryspecifiedbysession.save_path,typically/tmponUnix-likesystemsorC:\Windows\TemponWindows.Tocustomizethis:1)Usesession_save_path()tosetacustomdirectory,ensuringit'swritable;2)Verifythecustomdirectoryexistsandiswrita


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