Udemy - Writing Advanced SQL Queries on Oracle
Free- Lectures 27
- Length 2.5 hours
- Skill Levels All Levels
- Languages English
- Published 6/2018
Udemy Coupon Code : couponcode
Description
Oracle database is one of the top and most widely used relational database management systems in the world .
This more advanced beginners course will teach you how to retrieve data from an oracle database.
We will start off by downloading and installing oracle database 11g express which is free to use. Then we will install TOAD which is a tool we will be using to connect to the oracle database and interact with it.
Topics we will cover in this course includes:
Retrieving Data with Aggregate Functions
Introduction to aggregate functions
Using AVG function
Using COUNT function
Using MAX function
Using MIN function
Retrieving Data with Table Joins
Introduction to Table Joins
Using Equi Joins
Using Non Equi Joins
Using Cartesian Join
Using Outer Join
Using Self Join
Retrieving Data with Analytic Functions
Introduction to Analytic Functions
The Syntax
Partition By Clause
First and Last Function
Row number Functions
Dense Rank Function
Lag Function
LEAD Function
RANK Function
Introduction to Analytic Functions
The Syntax
Partition By Clause
First and Last Function
Row number Functions
Dense Rank Function
Lag Function
LEAD Function
RANK Function
By the end of this course you will have enough skill to write more complex queries on an oracle database.
