
ivan

ivan.revelli@synaptica.info

8 March 2010
Oracle Version : 10g
As you know inside a Oracle row trigger you cannot access to the base table, for example when you make a trigger like this, on a table named “activity“.
CREATE OR REPLACE TRIGGER IFABER.ACTIVITY_FK_MENU_INTEGRITY
AFTER INSERT OR UPDATE
ON IFABER.ACTIVITY
REFERENCING NEW AS New OLD AS Old
FOR EACH ROW
DECLARE
tmpVar NUMBER;
e_Menu_Already_Exists EXCEPTION;
/******************************************************************************
NAME:
[...]

Riccardo

riccardo.casatta@synaptica.info

26 February 2010
Hello,
we want to sync two directories in two different server that are connected to the internet. We want to use ssh as channel protocol because we already have the firewall rules to connect and because it is encrypted.
First of all we need that machine A will connect to machine B without password asking, this can [...]

ivan

ivan.revelli@synaptica.info

25 February 2010
L’inversione di tendenza ? ma speriamo di no, che l’Open Source abbia permesso a milioni di società e di individui singoli di poter accedere ,e dare il proprio contributo ,a Software prima inarrivabili è ormai noto. Era normale aspettarsi che tutti coloro che giustamente vivono sulle licenze dei “loro” software non vedano di buon occhio [...]

ivan

ivan.revelli@synaptica.info

19 February 2010
by using some simple view in Oracle you can extract a lot of information about your DB schema, some explicit samples :
(assuming that MyDBOwner is the owner of the DB and ACTIVITY is a table of a schema, this sample is succesfully tested on Oracle 10g)
– LIST OF USERS
SELECT OWNER,COUNT(DISTINCT TABLE_NAME) FROM ALL_TAB_COLUMNS [...]

ivan

ivan.revelli@synaptica.info

17 February 2010
(This article is a draft but if something is of interesting …. )
The fantastic world of old Midas now called DataSnap introduced the TClientDataSet component , that is a in memory DataSet for Delphi and C++ Builder. With TClientDataSet was introduced the concept of Brief Case model Application Style.
A brief case [...]

ivan

ivan.revelli@synaptica.info

15 February 2010
Delphi was born exactly fifteen years ago from Today, Marco Cantu on his web site have posted a great article on this because he is one of the first guru of this beatifull dev language… the article