RE: The dreaded move from Oracle to MySQL

2002-11-21 Thread John Ragan
: ) excellent. i envy you. i'd noticed the same thing about oracle. seems to be a resource hog. the only thing worse that i've seen is ms access. they make mysql look very efficient. hate to say much, since it appears that you know what you're doing, but you might also take a look at r

RE: The dreaded move from Oracle to MySQL

2002-11-21 Thread Wesley Brown
> i'm running an oracle enterprise server in a test > environment for corereader, and i've noticed > that, although oracle sometimes takes a while to > wake up, after you have its attention, it throws > data at you very fast. sometimes a developer > does not use connections properly. in your case

Re: The dreaded move from Oracle to MySQL

2002-11-21 Thread Simon Windsor
t; And (I quote) If one uses sockets to connect to the MySQL server, the > server will open and > read the text file directly. > > As I said, these are ideas & I hope it will at least give you some ideas > too... > > Cheers, > > Andrew > > > > > -Original

Re: The dreaded move from Oracle to MySQL

2002-11-20 Thread John Ragan
since you're comfortable with rolling your own tools, here are some observations about the ado approach, and which could be applied to odbc as well. i'm running an oracle enterprise server in a test environment for corereader, and i've noticed that, although oracle sometimes takes a while to

RE: The dreaded move from Oracle to MySQL

2002-11-20 Thread Andrew Braithwaite
--Original Message- From: Wesley Brown [mailto:[EMAIL PROTECTED]] Sent: Wednesday, 20 November 2002 20:24 To: Simon Windsor; [EMAIL PROTECTED] Subject: RE: The dreaded move from Oracle to MySQL Well, it looks like Simon has the best possible answer so far. I did a test dump into a delimited file

Re: The dreaded move from Oracle to MySQL

2002-11-20 Thread Ryan Fox
> Can you explain this procedure to me a little better or point me to > something I can read? I still have to convince the person who manages the > Oracle box to open up an NFS share. The point of using NFS to transfer the files from the oracle box to the mysql box is to avoid copying the data twi

RE: The dreaded move from Oracle to MySQL

2002-11-20 Thread Wesley Brown
Well, it looks like Simon has the best possible answer so far. I did a test dump into a delimited file from Oracle and imported that using the LOAD command in mysql and sustaned about 11,000 inserts a second. This is with no indexes on the mysql tables at all. I have also tried using the dbtools im

Re: The dreaded move from Oracle to MySQL

2002-11-20 Thread Simon Windsor
Hi I have moved huge amounts of data around in the past, from Oracle to Oracle, and Oracle to MySQL. The problems to consider are - export speed - load speed It can take hours to download a large database, nevermind re-loading it into another database. It is usually best to export the data in

Re: The dreaded move from Oracle to MySQL

2002-11-20 Thread Scott Pippin
Scott Pippin [EMAIL PROTECTED] >>> "Wesley Brown" <[EMAIL PROTECTED]> 11/20/02 11:24AM >>> >Well, This is my first attempt at moving from Oracle to MySQL on such a >large scale and so far it isn't going well at all. We are running oracle >7.3.4.0.1 and MySQL 4.0.4-0 standard. We are moving 101 t