Cool Tool Of The Week – Open Modelsphere: Open Source Data Modeling is a post from: Database Geek Blog

From The Database Geek

I like playing with new tools and software so I thought I would start a new weekly series, Cool Tool of the Week. I will just cover a tool that I have used or discovered that I think is cool. I’m not necessarily endoring it, just giving it a little publicity so… Read the rest!

Designing the Data Mart – Part 2 is a post from: Database Geek Blog

Continuing from Part 1.

So now we have our transactional model and a basic user story:

Our first request from the business for our data mart is that they want to be able to query all of the orders by date, by customer and/or by region (state, city or country). They want to be able to aggregate (sum and average) across

… Read the rest!

PL/JSON v0.6.2 Released is a post from: Database Geek Blog

It was pointed out to me that I had a few errors in the previous release.  Those have been fixed and the install should go a lot smoother now.  No additional functionality here, just bug fixes.  If you tweaked the previous release to install it, you don’t need this one.

As always, you can download the new code directly from the PL/JSON SourceForge page.

Change… Read the rest!

Oracle INFORMATION_SCHEMA is a post from: Database Geek Blog

From the Database Geek.

Part of the ANSI SQL standard calls for an INFORMATION_SCHEMA. This schema contains a standardized data dictionary that is (or is supposed to be) common across various databases. Most database vendors offer a native data dictionary and a sub-set INFORMATION_SCHEMA (called info schema from this point on). Oracle is the only major database vendor (that I know of) that doesn’t even offer… Read the rest!

PL/JSON v0.6 Released to SourceForge is a post from: Database Geek Blog

From the Database Geek.

PL/JSON v0.6.1 has now been released to Sourceforge.net. The reason for the .1 is that I forgot a dependency on the 0.6 release.

Anyway, PL/JSON can now create JSON via the API or through parsing a text string. The parser is implemented as a stand along package. That means you can write your own parser (or use an external… Read the rest!

Use a Pipelined Function to Select Source Code Arguments is a post from: Database Geek Blog

From the Database Geek.

I recently needed to query all of the arguments to the various stored procedures, functions, packaged objects and types. Oracle provides all of this information in the data dictionary in the ALL_PROCEDURES and ALL_ARGUMENTS views. The problem with this is that it’s kind of kludgey to suck out all of the pertinent data.

One problem… Read the rest!

Stupid Database Tricks – Shutdown the server from a stored procedure is a post from: Database Geek Blog

From the Database Geek.

I’m not even going to try to explain why I wrote this. Let’s just say that it comes in handy on occasion.

What this very simple procedure does is use DBMS_SCHEDULER to execute a shutdown command in windows. This could easily be adapted to Unix and/or Linux.

Use at your own risk. By… Read the rest!

Oracle Data Types – 5 FAQs About Number is a post from: Database Geek Blog

I get a lot of email, and comments on blog entries, asking questions about many different topics. I am going to try to answer some of the more common questions as FAQs. Today I am starting with some NUMBER FAQs. I am specifically talking about Oracle and I am specifically talking about the NUMBER data type, not numerics in general.… Read the rest!

A day with Ralph Kimball, Part 1 is a post from: Database Geek Blog

I had the opportunity to spend a day in a seminar with Ralph Kimball. If you don’t know who that is, he is a guru of data warehousing. If you’re involved in data warehouses, I hope you are at least familiar with his work. Currently in the industry there are two primary, competing warehousing methodologies, i.e. practically religions to some, Kimball… Read the rest!

SQL Analytics, With Clause and Column Level Grants is a post from: Database Geek Blog

From the database geek.

Postgres 8.4 is just around the corner. I haven’t had much time lately to keep up with Postgres. I’ve had too much to do in the Oracle world (new job, writing, etc). However, I do try to keep up with a few email groups just to keep touch with what’s coming. Here are three things in… Read the rest!

Building a PL/SQL Code Parser (using PL/SQL), Part 2 is a post from: Database Geek Blog

From the Database-Geek.

Continuing with the parser, begun last week in Building a PL/SQL Code Parser Part 1, today I am going to modify the code to allow for comments. Rather than dive back into code already covered, I will discuss what I have added and then provide the full code below.

I changed my sample code and test… Read the rest!

DBAs and Developers, Do you suffer from Performance Dysfunction (PD)? is a post from: Database Geek Blog

Posted by the Database-Geek.

DBAs and developers, do you suffer from PD? PD, performance dysfunction, is not a topic that many like to discuss. A few people do but they mostly hang out together at conferences and talk about the size of their tuples. For the rest of us, PD is an evil, evil thing.

There are as… Read the rest!

Building a PL/SQL Code Parser (using PL/SQL), Part 1 is a post from: Database Geek Blog

LewisC’s An Expert’s Guide to Oracle Technology

Is it possible to build a PL/SQL parser using nothing but PL/SQL? To answer that question, I guess I need to define “PL/SQL parser”. What would be the intention of this parser?

I would like a way to parse a PL/SQL code block and let me determine some statistics: number of lines,… Read the rest!

Comment by vijay on What is the difference between Oracle, SQL and PL/SQL? is a post from: Database Geek Blog

thnx

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Comment by prajit on Learn Oracle – What is Oracle? is a post from: Database Geek Blog

First of all, I would like to thank you for sharing this helpful article. I am doing my BSc Computer science(second year). I wanted to know more about oracle.I am thinking of getting a certificate in Oracle course; But I’m confused in which category? I would be happy if you would suggest me something! As i will be… Read the rest!