index of pwd db

Summary:MongoDB 3.0 Security access control, in the addition of users above the 3.0 version and the previous version there is a big difference, here is the next 3.0 of the method of adding users.Environment, testing:After installing MongoDB, first

DB Package ClassPHPclassdbda{ Public $host= "localhost"; Public $uid= "Root"; Public $pwd= "Root"; Public $dbname= "MyDB"; Public functionQuery ($sql,$type=1) //Connect to the database, the parameter defaults to 1 when the query results, the

Internal structure The B-Tree index is dumped into a tree-like form and rendered: alter session set events ‘immediate trace name treedump level INDEX_OBJECT_ID‘; sql> alter session SET events ' immediate trace name treedump level 126

"MongoDB Entry" Reading notes download:Index view index of http://download.csdn.net/detail/ch717828/9833847 MongoDBDb.test_table.getIndexes () create INDEX (1 for ascending, 1 for descending)Db.test_table.ensureIndex ({x:1}) Types of indexes _ID

Description of the ADODB class in PHP. Although PHP is a powerful tool for building a Web system, the function of accessing the database by PHP has never been standardized, although PHP is a powerful tool for building a Web system, the function of

1. preface ADODB is short for ActiveDataObjectsDataBase. it is a function component for accessing the database in PHP. Chen Yingguang, the host of the SFS3 system (Campus Free Software Exchange Network student affairs system) plan, decided to use

Although PHP is a powerful tool for building a Web system, the function of accessing the database by PHP has never been standardized, use a different and incompatible application interface (API ). In order to fill this gap, ADODB emerged. Once the

Connection string for the databaseConnecting databases is the first and most important step in database application development in various application development of the database.The spelling of the database connection string, however, depends

Data | database | Chinese in various application development of database, connecting database is the first step of database application development, and also the most important step. For different databases, their connection modes are different, and

In the development of various database applications, connecting to the database is the first step in the development of database applications, and also the most important step. Different databases have different connection modes and their connection