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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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How to detect query which holds the lock in Postgres?

How to detect query which holds the lock in Postgres?

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1 min read
Check Table size in Postgresql Database

Check Table size in Postgresql Database

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Find high dead_tuples

Find high dead_tuples

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SQL Window functions: Understanding PARTITION BY

SQL Window functions: Understanding PARTITION BY

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5 min read
Understanding Data Partitioning vs. Sharding: Key Concepts for Effective Data Management

Understanding Data Partitioning vs. Sharding: Key Concepts for Effective Data Management

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3 min read
Avoid SELECT *, even on a single-column tables

Avoid SELECT *, even on a single-column tables

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4 min read
100 Essential SQL Questions Every Developer Should Master

100 Essential SQL Questions Every Developer Should Master

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Mastering SQL Views: Simplify, Secure, and Optimize Your Database Queries

Mastering SQL Views: Simplify, Secure, and Optimize Your Database Queries

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Mastering the SQL UPDATE Statement: Modify Data with Precision

Mastering the SQL UPDATE Statement: Modify Data with Precision

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Understanding ACID Properties: The Pillars of Reliable Databases

Understanding ACID Properties: The Pillars of Reliable Databases

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SQL Transactions: Ensuring Data Integrity and Consistency

SQL Transactions: Ensuring Data Integrity and Consistency

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Understanding SQL Triggers: Automating Database Tasks with Ease

Understanding SQL Triggers: Automating Database Tasks with Ease

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Understanding Stored Procedures: A Guide to Efficient SQL Programming

Understanding Stored Procedures: A Guide to Efficient SQL Programming

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Understanding Database Normalization: Ensuring Efficient and Consistent Data Storage

Understanding Database Normalization: Ensuring Efficient and Consistent Data Storage

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Clustered vs Non-Clustered Indexes: Key Differences for Database Optimization

Clustered vs Non-Clustered Indexes: Key Differences for Database Optimization

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3 min read
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