Pythian Marketing

Oracle

What Happens When You Leave an Oracle Database in Backup Mode

While I was at that fine conference in Scotland, one of our clients did some maintenance on their Windows server where ...

Oracle

Oracle Data Pump Can't Import LONG Columns

If you are using Oracle Data Pump to backup tables containing LONG or LONG RAW columns, then you might be surprised ...

Oracle

Can "between" and ">= and <=" Differ in Oracle?

Introduction To between or not to between? Sometimes I wonder how "simple" things can end up being not where you would ...

Oracle

ORA-01206: File is not part of this database - wrong database id

This was posted yesterday on Oracle-L by Li Li. I feel I should blog about it to spread the word, especially since not ...

Oracle

Basic I/O Monitoring on Linux

This is my fourth week at Pythian and in Canada and I'm starting to get back to my normal life cycle --- my personal ...

Oracle

MERGE Without an INSERT -- It's Not Always Like an UPDATE

Before you proceed with reading this post, I strongly encourage you to read Tom Kyte's trilogy about write consistency, ...

Oracle

Oracle Data Pump Schema Export and Public Synonyms

Background While testing a migration today with one of our clients, I figured out that schema export using Data Pump ...

Oracle

Slow rman Backups? Check This Out

Notice If you have found rman backups slow in Oracle 10.2.0.2, you should check out note 375386.1 on metalink. It seems ...

Oracle

ORA-07202: sltln: invalid parameter to sltln

Context I hit this issue today while creating a new 10.2.0.3 database using DBCA. Recently, I’ve started to use DBCA ...

Oracle

Silly DBA Tricks 1: Editing the SPFILE

Here is an article I posted on the Oracle-L mailing list recently. Much to my surprise, people liked it enough that ...

Oracle

REMOTE_LOGIN_PASSWORDFILE = EXCLUSIVE in Oracle 10g

I’ve never really liked the idea of REMOTE_LOGIN_PASSWORDFILE=SHARED, probably just because I haven’t seen much use for ...

Oracle

Block Change Tracking Internals: X$ Tables Research

Introduction With this post, I’m starting a series about Oracle Block Change Tracking internals. The feature was ...

Reporting Space-Wasting Objects in Oracle

Woohoo, I finally got a bit of spare time to blog — my first blog post ever! Context I chose to talk about a technique ...

Oracle

Changing Hostnames in Oracle RAC

Update: this procedure is for Linux and should work on any UNIX OS. Ron supplied how he did this on Windows in the ...

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Pythian Marketing

Posts by Pythian Marketing

What Happens When You Leave an Oracle Database in Backup Mode

Oracle Data Pump Can't Import LONG Columns

Can "between" and ">= and <=" Differ in Oracle?

ORA-01206: File is not part of this database - wrong database id

Basic I/O Monitoring on Linux

MERGE Without an INSERT -- It's Not Always Like an UPDATE

Oracle Data Pump Schema Export and Public Synonyms

Slow rman Backups? Check This Out

ORA-07202: sltln: invalid parameter to sltln

Silly DBA Tricks 1: Editing the SPFILE

REMOTE_LOGIN_PASSWORDFILE = EXCLUSIVE in Oracle 10g

Block Change Tracking Internals: X$ Tables Research

Reporting Space-Wasting Objects in Oracle

Changing Hostnames in Oracle RAC

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