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SQL MIN Function with Examples

Jan 21, 2021 · 6 min read · sql-functions ·
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The SQL MIN function is used to find the lowest or minimum value. Learn how to use it and see some examples in this article.

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SQL Aggregate Functions: A Guide

Jan 12, 2021 · 12 min read · sql-functions ·
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Learn all about SQL aggregate functions and what they do in this article.

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SQL AVG Function with Examples

Jan 12, 2021 · 5 min read · sql-functions ·
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The SQL AVG function allows you to find the average value from the specified values. Learn how to use it and see some examples in this article.

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SQL MAX Function Explained with Examples

Jan 10, 2021 · 5 min read · sql-functions ·
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Learn how to use the SQL MAX function.

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SQL SUM Function Explained with Examples

Jan 7, 2021 · 6 min read · sql-functions ·
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The SQL SUM function can be used to add numbers together. Learn how to use it and see some examples in this article.

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SQL CAST Function Explained with Examples

Apr 30, 2020 · 7 min read · sql-functions ·
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The SQL CAST function is quite powerful, but it can be hard to use. Learn how to use it and what it can do in this article.

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SQL COUNT Function Explained with Examples

Jan 5, 2020 · 7 min read · mysql oracle postgresql sql-functions sql-server ·
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The SQL COUNT function is one of the most common functions used by SQL developers. I use it on a daily basis. Learn more about the COUNT function in this article.

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SQL CASE Statement Explained with Examples

Jan 4, 2020 · 12 min read · mysql oracle postgresql sql-functions sql-server ·
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The SQL CASE statement allows you to perform IF-THEN-ELSE functionality within an SQL statement. Learn more about this powerful statement in this article.

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A Guide to SQL NULL (and SQL NOT NULL)

Dec 23, 2019 · 12 min read · sql sql-functions ·
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In this article, you'll learn all about NULL, what it is, why it's different, how you can check for it in different databases, and many examples.

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SQL UPPER, LOWER, and INITCAP Function Guide, FAQ & Examples

Jan 6, 2018 · 8 min read · sql-functions ·
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Changing the case of text in SQL is a common task when comparing strings or validating data. Learn how to do it with the UPPER, LOWER, and INITCAP functions in this article.

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