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

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Indexing, Hashing, and Query

Indexing, Hashing, and Query

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1 min read
SQLite dot commands: read file or standard output

SQLite dot commands: read file or standard output

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3 min read
Fuzzy String Matching in PostgreSQL with pg_trgm (Trigram Search Tutorial)

Fuzzy String Matching in PostgreSQL with pg_trgm (Trigram Search Tutorial)

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2 min read
Suppose you have duplicate rows in a table. How can you delete all duplicates but keep one copy using SQL only?

Suppose you have duplicate rows in a table. How can you delete all duplicates but keep one copy using SQL only?

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NORMALIZATION

NORMALIZATION

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3 min read
The Ultimate Guide to SQL Joins and Subqueries Explained

The Ultimate Guide to SQL Joins and Subqueries Explained

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7 min read
An Introduction to Commonly Used PL/SQL Data Types

An Introduction to Commonly Used PL/SQL Data Types

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4 min read
SQLite dot commands: html tables with output and once

SQLite dot commands: html tables with output and once

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2 min read
Auto-Generate Snowflake Semantic Views with AI - A Developer's Fast-Track to Cortex Analyst

Auto-Generate Snowflake Semantic Views with AI - A Developer's Fast-Track to Cortex Analyst

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11 min read
SQL Commands Guide

SQL Commands Guide

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Understanding ACID Properties in SQL with Practical Examples

Understanding ACID Properties in SQL with Practical Examples

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Database System Internals — Transactions, Deadlocks, Recovery & Indexing Explained with SQL Examples

Database System Internals — Transactions, Deadlocks, Recovery & Indexing Explained with SQL Examples

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3 min read
Database Normalization — Step-by-Step from 1NF to 3NF

Database Normalization — Step-by-Step from 1NF to 3NF

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3 min read
Mastering DBMS: A Practical Guide to Indexing, Hashing, and Query Optimization

Mastering DBMS: A Practical Guide to Indexing, Hashing, and Query Optimization

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Indexing, Hashing & Query Optimization

Indexing, Hashing & Query Optimization

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2 min read
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