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

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Recuperando dados no Oracle (sem envolver o DBA) com FlashBack Query
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Recuperando dados no Oracle (sem envolver o DBA) com FlashBack Query

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3 min read
Database Normalization
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Database Normalization

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3 min read
Cursor +Trigger
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Cursor +Trigger

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2 min read
normalization

normalization

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2 min read
Indexing, Hashing, and Query
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Indexing, Hashing, and Query

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1 min read
From JSONB to Bitmasks: Faster Flags & Cleaner RLS in Postgres with Go/TS
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From JSONB to Bitmasks: Faster Flags & Cleaner RLS in Postgres with Go/TS

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6 min read
Database troubleshooting for Umami

Database troubleshooting for Umami

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6 min read
Transactions, Deadlocks & Log Based Recovery

Transactions, Deadlocks & Log Based Recovery

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1 min read
MySQL ALTER TABLE: A Developer’s Guide to Schema Changes
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MySQL ALTER TABLE: A Developer’s Guide to Schema Changes

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2 min read
Find the difference

Find the difference

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1 min read
The Backbone of Database Reliability: Exploring ACID in Action with SQL Transactions A Step-by-Step Guide
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The Backbone of Database Reliability: Exploring ACID in Action with SQL Transactions A Step-by-Step Guide

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3 min read
The First Production Performance Problem I Faced (and How I Solved It)
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The First Production Performance Problem I Faced (and How I Solved It)

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2 min read
Comparative guide for SQL Subqueries vs CTEs vs Temp Tables vs Views vs Materialized Views in AWS Aurora
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Comparative guide for SQL Subqueries vs CTEs vs Temp Tables vs Views vs Materialized Views in AWS Aurora

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5 min read
Day 5: Advanced SELECT Queries and JOINs

Day 5: Advanced SELECT Queries and JOINs

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3 min read
Day 4: Inserting Data and Basic CRUD Operations

Day 4: Inserting Data and Basic CRUD Operations

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3 min read
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