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DB2 Migrating toolkit SQLServer uniqueidentifiers to DB2
The problem is very easy and I just need confirmation of my thoughts.
A little while ago I asked a question for a similar datatype in DB2 for the SQLServer UniqueIdentifier type ( http://www.experts-exchang
Today when I was browsing around too see if we could do some stuff automaticly to make up some time we will be loosing when changing from uniqueidentifiers to a db2 unique type and I came accross the IBM DB2 Migration Toolkit which allows you to migrate from MSSQL to DB2 quite easily.
So I gave it a try with one of our .sql scripts, but the result was not as I expected. The example is fictional though:
Input:
CREATE TABLE [Users]
(
[ID] uniqueidentifier PRIMARY KEY ROWGUIDCOL DEFAULT (newid()) NOT NULL,
[FirstName] nvarchar(256) NULL,
[LastName] nvarchar(256) NULL,
[Age] int NULL
)
Output:
CREATE TABLE Users(
ID CHAR(16) FOR BIT DATA NOT NULL PRIMARY KEY,
FirstName VARGRAPHIC(256),
LastName VARGRAPHIC(256),
Age INTEGER,
)!
CREATE TRIGGER "[Users1" NO CASCADE BEFORE INSERT ON Users
REFERENCING NEW AS NEW FOR EACH ROW MODE DB2SQL
BEGIN ATOMIC
--| (newid())
IF NEW.ID IS NULL THEN
SET NEW.ID = MSSQL.NEWID();
END IF;
END!
--------
This basicly suggests that in DB2 there is a function/trigger (whatever) called MSSQL.NEWID() which can generate uniqueidentifiers.
I highly doubt DB2 will ever have a function/method/trigger called after a competetitor's database. But I assume that this is not correct and that the Migration kit thinks they are 'homemade' functions/triggers which were not added in the .sql file, so the migration kit thinks it's a homemad/available function/trigger in DB2?
Am I correct in these thoughts?
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by: sachinwadhwaPosted on 2006-03-29 at 07:13:52ID: 16322414
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