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Posts on tips and tricks, using and learning about SQL for database development and analysis.

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Learn SQL Quickly & Join Data Easily, With This Simple Method & Get into 11 New Professions !!!!
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Learn SQL Quickly & Join Data Easily, With This Simple Method & Get into 11 New Professions !!!!

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Comments 1
4 min read
SQL Cheat Sheet: A Comprehensive Guide to SQL Commands and Queries
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SQL Cheat Sheet: A Comprehensive Guide to SQL Commands and Queries

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2 min read
Surrogate Key vs Primary Key: What's the Difference?
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Surrogate Key vs Primary Key: What's the Difference?

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11 min read
How to store and calculate historical big data with lower usage frequency

How to store and calculate historical big data with lower usage frequency

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4 min read
`OR` Filter on Two Tables, and Batched Nested Loops
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`OR` Filter on Two Tables, and Batched Nested Loops

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6 min read
Set-oriented Syntax – Using SQL as an Example

Set-oriented Syntax – Using SQL as an Example

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4 min read
Communicate with Microsoft SQL Server that works on Flutter app compiled for multiple platforms
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Communicate with Microsoft SQL Server that works on Flutter app compiled for multiple platforms

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7 min read
Simple Database Software For MySQL
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Simple Database Software For MySQL

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8 min read
Isolation Levels - part XII: To go further
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Isolation Levels - part XII: To go further

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2 min read
Slash Slow Queries by Rewriting OR to UNION

Slash Slow Queries by Rewriting OR to UNION

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3 min read
How To Execute A Query In SQL: Using Queries And Data Views
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How To Execute A Query In SQL: Using Queries And Data Views

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5 min read
SQL - Handle NULL Values Safely in Queries
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SQL - Handle NULL Values Safely in Queries

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1 min read
Importing Data From Multiple MS Access Files To SQL Server
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Importing Data From Multiple MS Access Files To SQL Server

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5 min read
SQL to Python Pandas: A SQL User's Quick Guide

SQL to Python Pandas: A SQL User's Quick Guide

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11 min read
Distributed PostgreSQL without sharding constraint for SQL joins
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Distributed PostgreSQL without sharding constraint for SQL joins

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4 min read
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