2024

From Theory to Practice: Applying SQL Skills in Real-World Scenarios

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In the dynamic world of data and technology, Structured Query Language (SQL) plays a critical role. This blog post aims to help you move from theory to practical application by providing real-world SQL scenarios and code examples. What is SQL? SQL […]

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FOREIGN: Understanding Foreign Key Constraint in SQL: Establishing Relationships

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> Introduction The practice of database management is like the mechanics of a well-oiled machine – each component contributes to an efficient system. One such component in SQL (Structured Query Language) is the foreign key constraint. This article is designed to provide

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Exploring SQL: Why It’s Essential for Data Professionals

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> The world today runs on data. Big data is the lifeblood of businesses across industry domains globally. But as a data professional, you already know that. The real question is – are you well-versed with the language of database management –

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How can I calculate the average age from birthdates in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In this tutorial we will highlight how to make a calculated average age query in a database using SQL. For this tutorial, we suppose we are dealing with a table named ‘Customers’, which has a column of birthdates named ‘BirthDate’. Calculate

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GROUP: Grouping Data in SQL: Understanding the GROUP BY Clause

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In the realm of relational databases, SQL is a powerful language used by programmers and data analysts to interact with the data. Among the arsenal of SQL commands and functionalities, understanding how to group data can help in providing summary information

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Getting Started with SQL: A Comprehensive Introduction

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> Welcome to the exciting world of SQL! SQL, or Structured Query Language, is a language designed to allow both technical and non-technical users query, manipulate, and transform data from a relational database. And due to its simplicity, SQL databases provide safe

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How can I find the length of a string in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> When working with data in SQL (Structured Query Language), it’s common to encounter tasks that involve understanding, manipulating, and analyzing text strings. One such task is finding the length of a string. This can be extremely useful in numerous scenarios, from

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