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

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Introduction to SQL Injection Attacks

Introduction to SQL Injection Attacks

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4 min read
A Practical Example of Using SQL Self Joins

A Practical Example of Using SQL Self Joins

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4 min read
Free SQL Database Schema Generator

Free SQL Database Schema Generator

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1 min read
Isolation Levels - part XIII: Explicit Locking with SELECT (FOR UPDATE) intention

Isolation Levels - part XIII: Explicit Locking with SELECT (FOR UPDATE) intention

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12 min read
SQL Database Index Basics

SQL Database Index Basics

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10 min read
Order-based Group Operations (I)

Order-based Group Operations (I)

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6 min read
Unveiling the Power of Window and Ranking Functions in SQL

Unveiling the Power of Window and Ranking Functions in SQL

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4 min read
PostgreSQL vs MariaDB [Complete Comparison]

PostgreSQL vs MariaDB [Complete Comparison]

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9 min read
How To Connect a Form to a Database

How To Connect a Form to a Database

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7 min read
How Modern SQL Databases Are Changing Web Development - #4 Into the AI Era

How Modern SQL Databases Are Changing Web Development - #4 Into the AI Era

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5 min read
INDEX of DATA WORLD JOURNEY.

INDEX of DATA WORLD JOURNEY.

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4 min read
SQL or Java, Which is Faster for Data Operation?

SQL or Java, Which is Faster for Data Operation?

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15 min read
Understanding the Fundamentals of Database Programming Languages

Understanding the Fundamentals of Database Programming Languages

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9 min read
SQL Key-words with the examples

SQL Key-words with the examples

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19 min read
SQL Puzzles

SQL Puzzles

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17 min read
Summary of results

Summary of results

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2 min read
Finding the best SQL query for the task.

Finding the best SQL query for the task.

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4 min read
A SQL function in PostgreSQL

A SQL function in PostgreSQL

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8 min read
Reading Postgres Execution Plans doesn't have to be so complicated

Reading Postgres Execution Plans doesn't have to be so complicated

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6 min read
Efficiently Managing Data with SELECT During INSERT Queries

Efficiently Managing Data with SELECT During INSERT Queries

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2 min read
Could Batched Nested Loop improve PostgreSQL like it does for YugabyteDB?

Could Batched Nested Loop improve PostgreSQL like it does for YugabyteDB?

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24 min read
Here comes big data technology that rivals clusters on a single machine

Here comes big data technology that rivals clusters on a single machine

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6 min read
Understanding PostgreSQL and MongoDB Databases: Know When to Use Each

Understanding PostgreSQL and MongoDB Databases: Know When to Use Each

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3 min read
Web Vulnerabilities: SQL Injections

Web Vulnerabilities: SQL Injections

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3 min read
Why you should never use an UUID as the primary key in SQL Databases

Why you should never use an UUID as the primary key in SQL Databases

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