delete db

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Access classes for Postgresql db

The code is not intended to be used directly, just to provide a clue. Various features of PG, including not limited to tree subquery, prepared statements, batch insert support: The code has been revised and finalized for quite a long time, and will

About OLE DB

OLE DB is a strategic, low-level application interface for Microsoft that leads to different data sources. OLE DB includes not only the Structured Query Language (SQL) capability of the Microsoft-funded standard data Interface Open Database

Learn why and how Oracle Berkeley DB can bring NoSQL benefits to your applications.

Using Oracle Berkeley DB as a NoSQL data storeShashank TiwariReleased February 2011"NoSQL" is a new buzzword among developers, architects, and even technology managers. Although the term has recently been popular, it is surprising that it does not

Mongo dB updata

Http://www.mongodb.org/display/docs/advanced?queries=advancedqueries-conditionaloperators:,>= MongoDB update data syntaxIn the previous article "MongoDB query syntax", I introduced the common query syntax of MongoDB, and the update operation of

Summary of zendframework database operations (DB operations)

(1) The data query summary fetchRow () method returns a row. whether to return the relevant array or use setFetchMode () to determine whether fetchCol () to return the first fetchOne () to return the first row, the first column. Returns the relevant

DB Intro-mongodb User

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

Encapsulate your own DB Class (PHP), encapsulate the db Class php_PHP tutorial

Encapsulate your own DB Class (PHP) and db Class php. Encapsulate your own DB Class (PHP). encapsulate db Class php to encapsulate a DB class for special database operations. any operations on the database in the future will be implemented by DB

Encapsulate your own DB Class (PHP), Encapsulate DB Class php_php tutorial

Encapsulate your own DB Class (PHP), Encapsulate DB class PHP encapsulates a DB class, which is used to operate the database specifically, and subsequent operations on the database are implemented by the DB Class object. This has its own DB class,

PEAR DB Transaction Related

1.autoCommit (), commit (), rollback ()function autocommit ($onoff =false)Specifies whether the transaction is committed automatically. Some back-end databases are not supported.function commit ()Commit the current transactionfunction rollback

Android SQLite DB Package

Dbopenhelper: Package com.example.db_demo01. DB;import Android.content.Context;import android.database.sqlite.SQLiteDatabase;import Android.database.sqlite.SQLiteOpenHelper; Public class Dbopenhelper extends sqliteopenhelper {Private Static   

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