change sql query with preparestatement; display diagram

bin/config.xml

crawler/bin/client.jar

crawler/bin/crawler.jar

crawler/bin/derby.log

crawler/src/myutil/externalSearch/Message.java

crawler/src/web/crawler/Client.java

crawler/src/web/crawler/Data_visualisation.java

crawler/src/web/crawler/Database_creation.java

crawler/src/web/crawler/Database_query.java

crawler/src/web/crawler/File_management.java

crawler/src/web/crawler/MultiThreadServer.java

crawler/src/web/crawler/WebCrawler.java

src/myutil/GoogleSearch.java

src/myutil/externalSearch/Client.java

src/myutil/externalSearch/Message.java

src/ui/window/JDialogSearchBox.java