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

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Understanding Subquery and Common Table Expressions(CTEs)

Understanding Subquery and Common Table Expressions(CTEs)

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2 min read
You Want To Learn SQL? Here Is What I know So far...

You Want To Learn SQL? Here Is What I know So far...

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3 min read
Row-Level Security for Embedded Dashboards: A Practical Postgres Guide

Row-Level Security for Embedded Dashboards: A Practical Postgres Guide

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7 min read
PostgreSQL Index Usage and Optimization

PostgreSQL Index Usage and Optimization

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7 min read
learning SQL with practice (sqlbolt.com)

learning SQL with practice (sqlbolt.com)

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1 min read
SQL Course for Analysts: Pick, Learn, Apply Fast

SQL Course for Analysts: Pick, Learn, Apply Fast

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3 min read
🛡️ Building PatchPoint: Unifying DevOps Security Silos with Coral SQL

🛡️ Building PatchPoint: Unifying DevOps Security Silos with Coral SQL

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3 min read
archery-cli: A psql-style CLI for Archery — Query Databases from Terminal or AI Agents

archery-cli: A psql-style CLI for Archery — Query Databases from Terminal or AI Agents

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3 min read
MySQL 的 MVCC:看不见的“时间机器”怎么帮你躲过脏读和幻读?

MySQL 的 MVCC:看不见的“时间机器”怎么帮你躲过脏读和幻读?

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1 min read
The stored procedure ran fine in SSMS — under 1 second, every time. But through the .NET API? 30–120 seconds. Timeouts. Errors.

The stored procedure ran fine in SSMS — under 1 second, every time. But through the .NET API? 30–120 seconds. Timeouts. Errors.

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2 min read
System Design - 7.SQL vs NoSQL, How Uber Uses Both in the Same System (And Why That's the Right Answer)

System Design - 7.SQL vs NoSQL, How Uber Uses Both in the Same System (And Why That's the Right Answer)

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8 min read
PgBouncer: Effectively Managing Your PostgreSQL Connection Pool

PgBouncer: Effectively Managing Your PostgreSQL Connection Pool

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4 min read
I Built a Complete SQL Learning Roadmap (Beginner to Advanced) for Aspiring Data Analysts

I Built a Complete SQL Learning Roadmap (Beginner to Advanced) for Aspiring Data Analysts

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2 min read
Charting New Waters: Building a Custom Coral Source Spec for Internal Enterprise APIs

Charting New Waters: Building a Custom Coral Source Spec for Internal Enterprise APIs

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6 min read
Calling GET API & Mapping Response in VBCS (Service Connection)

Calling GET API & Mapping Response in VBCS (Service Connection)

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3 min read
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