relational database diagram tool

window and click Add Configuration ...Project Select item (test), Database connection Select the myoracle you just got (you can actually SELECT [Hibernate configured connection] Connection to the database via Hibernate configuration file, but this way does not necessarily succeed, the use of data Management alone is also not necessarily successful, the reason is not very clear, so the final adoption of dat

system function structure diagram you generally are how to draw, I use organization chart or Visio, feel a little low ah, lazy time directly with xmind this kind of mind map software painting, the effect is also good. Database modeling I have been using powerdesign, or navicat the reverse database to the model (because now very few databases will do physical fore

Global Zone (PGA):This system diagram is very important to hear, many companies interview request handwriting this figureInstallation of the 3.pl/sql toolThe first installation did not succeed, under the CSDN resources, now think of it should be tnsnames.ora there is a Sqlnet.ora two files are not configured, resulting in the connection when the detection of the database is only a 222222222, go in to say n

About very simple design patterns, ui-dao-database, and JavaBean and Util tool classes 24. Three / J2ee / No Comments A simple Java EE design pattern,The UI accesses the database or XML document through the DAO layer, and the data returned by the database is encapsulated by JavaBean, and JavaBean is