SQL

3

SQL Flavors

Congratulations for making it this far! You have really consumed much SQL up to this point. From now, just feel free to undertake any career that...

January 9, 2022
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8

Subqueries

A query within a query is referred to as a subquery. A subquery responds to questions with multiple parts; the subquery responds to one part of...

January 1, 2022
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0

Joins

Imagine a situation where we need records from the database but these records are in different tables. For example, some of the employee records are in...

January 1, 2022
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0

Group Functions

Welcome to this section of group functions. Unlike single-row functions, group functions or sometimes referred to as aggregate functions work on multiple rows and return a...

January 1, 2022
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