@KabeloM06
FrontEnd JavaScript/React
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Feb 7, 2023 · 3 min read · Aggregate functions take multiple inputs and provide a single output. The most common are: AVG() which returns the average value SELECT AVG(column_name) FROM table_name COUNT() which returns the number of values SELECT COUNT(*) FROM table_name MAX(...
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Jan 31, 2023 · 5 min read · The convention is to capitalize the actual SQL keywords. Differentiate them from table and column names. This makes it easier for people to read the statements SELECT SELECT column_name FROM table_name The most commonly used statement in SQL and is ...
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Sep 19, 2022 · 2 min read · Dependency Injection is a software technique where we can create objects that depend on other objects. The aim is to separate the construction of objects from their use. DI helps with the interaction between classes but at the same time keeps the cl...
Join discussionJan 26, 2022 · 2 min read · Day 6 Arrays are a simple way of storing a list of data under a single variable name. They are basically single objects that contain multiple values stored in a list. We can also individually access each item in the list. Arrays are created by placin...
Join discussionJan 25, 2022 · 2 min read · Day 5 Objects and Maps were the order of the day today. Objects are arbitrary collections of properties. They can be created by using braces as an expression. The properties inside the braces are separated by commas. Each property has a name followe...
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