1, ROSE
< /span> ROSE is directly developed from UML The birth of the design tool, it appeared to support UML modeling, ROSE did not support the database-side modeling at the beginning, but the
Category: Database
The database is a warehouse that organizes, stores and manages data according to the data structure. It was created more than 60 years ago. With the development of information technology and the market, especially after the 1990s, data management is no longer just It is to store and manage data, and transform it into various data management methods required by users. There are many types of databases, from the simplest tables that store various data to large-scale database systems that can store massive amounts of data. They have been widely used in all aspects.
PowerDesigner (8) – Model Document Editor (Generate Project Documentation)
The original text is from: http://www.voidcn.com/article/p-uoilqgur-oy.html
The Model Report of PowerDesigner is a model-based, project-oriented overview document. It provides a flexible and
SQL file in PowerDesigner, database table reverse generation PDM
1 Reverse PDM generation 1) Create an empty PDM model (select the corresponding DBMS) :
2) Select [Database]–[Update Model from Database…] menu:
1) In the new window, select the cor
PowerDesigner generates automatic identification of mysql statements, Name, and comments
When using PowerDesigner to design the ORACLE library table in the past, it is very convenient to generate the SQL statement to build the table. There is an option, which means that when the COMMEN
How to use the SQLite connection in the Asset folder
How to use the SQLite connection in the Asset folder. This is called DataBaseHelper. java file
public class DataBaseHelper extends SQLiteOpenHelper
{
private static String TAG = “TAG”;
pri
Good and fake, also –PowerDesigner
[PowerDesigner]
Very good database design Tools, used before, let’s summarize today.
PowerDesigner is a powerful software capable of database design. It is a database modeling tool comm
How to add foreign keys to an existing SQLite table?
I have the following table:
CREATE TABLE child(
id INTEGER PRIMARY KEY,
parent_id INTEGER,
description TEXT); How to add foreign key constraints on parent_id? Assume that foreign keys are enabled.
Most examples assume that you are creating a table-I want to add constraints to an existing table.
PowerDesigner Using Tutorials (Text Tutorial)
1. Now start using PowerDesigner to create a database, first run the program and enter the main interface:
2.File—New Model—Physical Data Model—Physical Diagram—Model name< /strong> is set to
Where can I find the old SQLite version of the source file?
The downloads page on www.sqlite.org seems to have only a link to the current version. I want to get a previous version. I don’t see any obvious links to historical versions on the website (unless
Import SQLite Database from SDCARD to Android – No Assets folder
I am trying to import my sqlite database from sdcard or any external location to my Android application. My application requires database import so that the database schema will not change, but the