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select * from SQL

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

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Analyzing Data Without Complicated ETLs For Data Scientists

Analyzing Data Without Complicated ETLs For Data Scientists

27
Comments
6 min read
Running SQL Migrations Before Booting Docker Compose Services

Running SQL Migrations Before Booting Docker Compose Services

12
Comments
4 min read
Don't store null bits

Don't store null bits

7
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4 min read
N + What? (Or: a brief introduction to n + 1 queries and how to avoid them)

N + What? (Or: a brief introduction to n + 1 queries and how to avoid them)

10
Comments
5 min read
What is database indexing and how it works

What is database indexing and how it works

6
Comments 1
2 min read
The Complexity of Active Record Transactions

The Complexity of Active Record Transactions

9
Comments 2
7 min read
Common SQL Injections to Watch Out For

Common SQL Injections to Watch Out For

8
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2 min read
Django ORM Optimization Tips #3 aggregation

Django ORM Optimization Tips #3 aggregation

10
Comments 1
3 min read
SQL Join

SQL Join

8
Comments 1
3 min read
Django ORM Optimization Tips #2 prefetch_related

Django ORM Optimization Tips #2 prefetch_related

14
Comments 1
2 min read
Node.js with SQLite

Node.js with SQLite

8
Comments 3
3 min read
Django ORM Optimization Tips #1 select_related

Django ORM Optimization Tips #1 select_related

9
Comments 2
1 min read
Node js Left Join with limit and offset Mysql

Node js Left Join with limit and offset Mysql

5
Comments
1 min read
7 rules for designing your first database schema or data model

7 rules for designing your first database schema or data model

18
Comments 4
3 min read
Beginner's guide to using MySQL database in a Node.js app

Beginner's guide to using MySQL database in a Node.js app

91
Comments 7
29 min read
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