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Ian T.
Post Graduate Tutor for 2 Years and PhD Candidate
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SQL Programming
TutorMe
Question:

Using an example, explain the SUBSTR function

Ian T.
Answer:

SUBSTR stands for substring. It returns a part of a string. We specify which part of the string we want to return. Example; select substr('Diploma',2,3) from sys.dual; Output -ipl

Databases
TutorMe
Question:

At a foundation level, when deciding to invest in a database, what are the first things decision makers should ask?

Ian T.
Answer:

Firstly, decision makers should ask what resources are available at hand, both human and financial? The most basic questions that should follow are, what data do we need to store? How will we store it, and most importantly, how are will we pertain valuable information from the collection of data. Data is only valuable if it is stored efficiently, and utilised correctly. With this in mind, ETL processes are of the utmost importance when implementing a database

Business
TutorMe
Question:

In order to succeed in a digital environment, what steps should an organization take when embarking on a business venture?

Ian T.
Answer:

There are a number of ways organizations can utilize the digital world to succeed. However, at the outset, a company should begin by illustrating a business model that shapes the ethos of the organization. Additionally, an organization must consider its position on a life cycle format. Is it a startup? Is it a mature firm etc? By doing so a company can begin to establish how it should proceed to be a competitor in the digital world

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