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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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Unveiling Differences: A Deep Dive into Comparing Tables, Indexes, and Functions Across PostgreSQL Databases

Unveiling Differences: A Deep Dive into Comparing Tables, Indexes, and Functions Across PostgreSQL Databases

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7 min read
PostgreSQL. How do you find potentially ineffective indexes?

PostgreSQL. How do you find potentially ineffective indexes?

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2 min read
🪄 DuckDB sql hack : get things SORTED w/ constraint CHECK

🪄 DuckDB sql hack : get things SORTED w/ constraint CHECK

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3 min read
9 Reasons to Avoid Using SELECT * and 2 Exceptional Cases

9 Reasons to Avoid Using SELECT * and 2 Exceptional Cases

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4 min read
PostgreSQL with modern storage: what about a lower random_page_cost?

PostgreSQL with modern storage: what about a lower random_page_cost?

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11 min read
Wizard's Toolkit Demo

Wizard's Toolkit Demo

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2 min read
The best free database providers in 2024

The best free database providers in 2024

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5 min read
HackerRank SQL preparation; Revising the Select Query II(MySQL)

HackerRank SQL preparation; Revising the Select Query II(MySQL)

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1 min read
Mastering SQL Query Optimization: Techniques for Maximum Database Performance

Mastering SQL Query Optimization: Techniques for Maximum Database Performance

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13 min read
Query optimisation guided by explain plans

Query optimisation guided by explain plans

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12 min read
Integrating Apache Hive — Offline Data for OpenMLDB

Integrating Apache Hive — Offline Data for OpenMLDB

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4 min read
What is Surrogate Key in SQL?

What is Surrogate Key in SQL?

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2 min read
Simplify Database Migrations using Python with Alembic

Simplify Database Migrations using Python with Alembic

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7 min read
An Introduction to SQL Server Query Store

An Introduction to SQL Server Query Store

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3 min read
HackerRank SQL Preparation: Revising the Select Query I(MySQL)

HackerRank SQL Preparation: Revising the Select Query I(MySQL)

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1 min read
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