Blogs

Decision Tree Algorithm in pl/sql
Author JP Vijaykumar
Date Sept 14th 2019

SELECT tablespace_name ,round(TOTAL_SIZE,2) ,round(TOTAL_SIZE-FREE_SIZE,2) ,
round(FREE_SIZE,2)
FROM (SELECT tablespace_name,(SELECT SUM(BYTES)/1024/1024/1024 FROM DBA_DATA_FILES b WHERE b.TABLESPACE_NAME=a.TABLESPACE_NAME)TOTAL_SIZE,
SUM(bytes)/1024/1024/1024
FREE_SIZE
FROM DBA_FREE_SPACE a GROUP BY tablespace_name) order by 1;

Tablespace Capacity Planning Report
Author JP Vijaykumar
Written Sep 14 2017
Modified Mar 08 2019
***************************************************************************************************************
This script is provided for enducational purpose only.
The readers are advised to make necessary changes to the script as may be required for their use in their repective environments.
Pls test this script thoroughly in a lower environment, before using in any production db.

********************************************************************************
APRIORI ALGORITHM
********************************************************************************
Modified March 08 2019

********************************************************************************
--LINEAR REGRESSION ALGORITHM IN PL/SQL
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Modified Mar 8th 2019
Using Linear Regression algorithm, find the weight of a studen, whose is 71 inches tall.
Given the height and weight of 8 students.

--NAIVE BAYES ALGORITHM WITH SQL & PL/SQL
---------------------------------------------------------------------------------
--Written JP Vijaykumar
--Date Jan 4th 2019

--This script is provided for educational purpose only.
--The readers are advised to make necessary changes as may be required for their use.

--I love data mining algorithms for their complexity and number crunching toughest logic.
--Academically, I want to generate Naive Bayes algorythm in pl/sql to predict the outcome.

We are happy to bring our sincere congratulations with upcoming Christmas and New Year holidays! It’s time for miracles and gifts, so try yourself at Devart’s Christmas Quest to get winter holiday discounts.

Help Santa to count a salary for his Elves so that they deliver other presents. With this purpose, Santa uses SQL query, but he is not so good in SQL. Please, help him to build the proper query! Santa Claus is about to pay generously to everyone who helps him!

Weblogic Administration Online Training

This course introduces the student to Oracle WebLogic 12c. Students will learn skills necessary to understand basic WebLogic concepts and
administrative tasks. At the end of this course the student will learn how to install WebLogic, create WebLogic domains, and administer WebLogic.

A Foolproof Query Execution plan with incorrect statistics

Do you know about multiple domain certificates? If not you may have to learn quickly, because Oracle has changed the way they are handled in release 12.2. This is going to break a lot of applications.