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Parse, Bind, Optimize, Execute
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Category: OCA Preparation

OCA Preparation SQL Complex Queries

What are conversion functions in SQL? | OCA Preparation-7

Amit S December 7, 2020

In my previous articles i have given multiple examples of different functions in SQL. In this article i would like to focus on conversion functions…

View More What are conversion functions in SQL? | OCA Preparation-7
OCA Preparation

What are features of single row functions? | OCA Preparation 5

Amit S December 1, 2020

In my previous articles I have given the information about how to start preparing for OCA certification with real examples. In this article I would…

View More What are features of single row functions? | OCA Preparation 5
OCA Preparation

What is substitution variables in SQL with real life examples? | OCA-4

Amit S December 1, 2020

In my previous article I have explained how to prepare for OCA with simple select statements examples. In this article I would like to throw…

View More What is substitution variables in SQL with real life examples? | OCA-4
OCA Preparation

What is where clause in SQL with real life examples? | OCA article 3

Amit S November 30, 2020

In my previous article I have given you multiple examples of simple SQL statement. In this article I would like to give you multiple examples…

View More What is where clause in SQL with real life examples? | OCA article 3
OCA Preparation

How to retrieve data in SQL? | OCA Article 2

Amit S November 30, 2020

I have already given multiple examples of SQL select statement in detail with real world industry examples .As we are starting the preparation of OCA…

View More How to retrieve data in SQL? | OCA Article 2
OCA Preparation

What is Schema in SQL with examples? | OCA Preparation -1

Amit S November 30, 2020

In my previous articles I have given multiple tutorials about SQL with real time industry examples. In this article I would like to throw light…

View More What is Schema in SQL with examples? | OCA Preparation -1
Oracle NVL Function
OCA Preparation SQL Tutorials

What is Oracle NVL Function with Examples? | OCA Preparation- 6

Amit S July 26, 2018

Oracle NVL Function : In my previous articles i have explained about different SQL tutorials with real life examples. My main motive is to give…

View More What is Oracle NVL Function with Examples? | OCA Preparation- 6

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