Introduction to SQL
Want to master SQL? Walk with me in the next 15 days as we unpack what SQL is!!!
Feb 18, 20261 min read9
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SQL
Day 1: Getting Started with SQL
Basic Introduction SQL, short for Structured Query Language, is a language used to access and work with data stored in a database. To break it down: Data – Think of data as information about objects.E
Feb 18, 20264 min read3Day 2: SQL Filtering Basics
SQL allows users to filter data based on their preferences. WHERE The WHERE keyword allows users to filter data based on a certain condition. For data to be returned the set condition must equate to t
Feb 18, 20265 min read9Day 6: Joins
JOINS in SQL are used to combine information from multiple tables in one query. INNER JOIN In order to understand inner joins and joins in general, we have two picture two tables, table A and table B.
Feb 24, 20263 min read
Day 7: Unions & Subqueries
In our past learning, we have only seen SQL scripts involving only one select statement. Now with UNIONS and SUBQUERIES, it is possible to combine more than one SELECT statement. UNIONS UNIONS combine
Feb 24, 20268 min read1