Python access to the database

Source: Internet
Author: User

The PYTHON DB API (SPEC) framework can be written at once while accessing Mysql\ Oracle \sqlserver ... Different database servers, the confusion of the Unified interface program.

1. Connection access: Connection (motorway)

Create method: MYSQLDB.C conflict (parameter: Host address port port number user passwd DB name CharSet connection encoding)

Connection object Support methods:

Cursor used to create a return

Commit Commit

Rollback rollback

Close closes

2. Data interaction: Cursor (van)//3. Exception class: Exception (Accident) Try ... Exceptcursor object supported methods:

Execute executes database queries and commands; client <==> server

Fetchone get the next line of the result set

Fetchmany ... Next few lines;

Fetcall gets the remainder of the result set, so the line

RowCount last execute returns the number of rows of data or affects the number of rows

Close Cursor Object

3. Close Cursor Connectione


Additions and deletions: Inser Update Delete operation database

Python access to the database

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