使用数据库驻留连接池 数据库驻留连接池是 Oracle Database 11g 的一个新特性。对 PHP,它允许 Web 应用程序随着站点吞吐量的增长对连接数进行扩充。它还支持多台计算机上的多个 Apache 进程共享一个小规模的数据库服务器进程池。没有 DRCP,标准 PHP 连接必须启动和终止一个服务器进程。一个非 DRCP 持久性连接即...
php// create a copy of $start and add one month and 6 days$end=clone$start;$end->add(newDateInterval('P1M6D'));$diff=$end->diff($start);echo'Difference: '.$diff->format('%m month, %d days (total: %a days)')."\n";//Difference:1month,6days(total:37days) DateTime 对象之间...
sqlplus phphol/welcome select username, program from v$session where username = 'PHPHOL'; Many more rows than previously are returned. The rows with httpd@localhost.localdomain (TNS V1-V3) correspond to a running Apache process holding a database connection open. For PHP, Apache runs in a...
win32\getrusage.c: fatal error C1041: cannot open program database 'C:\Users\Luis\Development\gymcontrol\src\backend\source\php-src\x64\Release\win32\vc140.idb'; if multiple CL.EXE write to the same .PDB file, please use /FS I tried modifyingthis lineonphp-src/win32/build/confutils...
php namespace Mysql; class Database { public function beforeConnect($connStr) { echo "before connect\n"; } public function afterConnect($connStr) { echo "after connect\n"; } public function connect($connStr) { $beforeMethod = "before".ucfirst(__FUNCTION__); $args = func_get_args()...
CREATEDATABASEpxscj DEFAULTCHARACTERSETutf8 DEFAULTCOLLATEutf8_general_ci; Navicat创建pxscj数据库如图1所示。 创建学生表(xs) 图1“新建数据库”窗口 学生表(xs)结构如表1所示。 表1 学生表(xs)结构 项目名 列名 数据类型 不可空 说明 姓名 xm char(4) ? 主键 性别 xb tinyint ? 1男0女 出生时间 cs...
Remember to change config for your user, host and password. User should have replication privileges [ REPLICATION CLIENT, SELECT] php example/dump_events.php For test SQL events: CREATEDATABASEphp_mysql_replication; use php_mysql_replication;CREATETABLEtest4(idintNOT NULLAUTO_INCREMENT, dataVARCHAR...
env文件中的QUEUE_CONNECTION变量从而将 database 作为你的应用队列驱动程序:QUEUE_CONNECTION=databaseRedis要使用 redis 队列驱动程序,需要在 config/database.php配置文件中配置一个 redis 数据库连接。Redis 集群如果你的Redis队列当中使用了Redis集群, 那么你的队列名称就必须包含一个 key hash tag.。这是为了确保...
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These variables are used to create a connection string to the database. Thedsnis the Data Source Name, which contains the information required to connect to the database. $pdo = new PDO($dsn, $user, $passwd); A newPDOobject is created. We pass the constructor the data source name and...