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Learn how Supabase Row-Level Security, table grants, publishable and secret API keys, and environment files work together to ...

A query execution plan step by step on a table with a million products: cost, rows and width, planning and execution time ...

Copies or splits? We built real PostgreSQL leaders and followers, crashed the leader, made two leaders disagree, and split ten ...

Executing database schema changes in ERP systems requires a multi-phase lifecycle to avoid massive table locks and ...

How to find and cancel a query waiting for a lock: the Lock Manager in DBeaver, the pg_locks view joined with pg_stat_activity ...

Index types in PostgreSQL and how to choose them with USING: the default B-tree, Hash for the equality operator, GiST and SP ...

When you have neither DBeaver nor psql, you can explore a database with SQL alone: pg_database and pg_database_size with ...

Why not to store passwords as plain text or the salt next to them. The pgcrypto extension: encrypt and decrypt give the same ...

Interactive quiz included: answer all 10 questions right here on YouTube. Open the Quiz card under the video, pick your answer ...

Simple data quality fixes in SELECT: duplicates with GROUP BY and HAVING, inconsistent names with SUBSTRING, codes outside the ...

Lecture 6 of the Software Engineering course. Ari presses Book in Campus Rooms, a fictional room-booking service, and the ...

The most common mistakes when improving performance: more RAM and CPU straight away, putting indexes on everything, solving a ...

Hash Join is the join you will see most often in a plan: the database computes a hash function for the smaller set, builds a ...

Build a real online bookstore from zero, in one video: system design, an API in Node, Express and TypeScript, a React web shop, ...

We take a real PostgreSQL database (Pagila, the DVD-rental sample) all the way to monitored Apache Iceberg tables. Every step ...

這裡是小白debug的官方YouTube頻道。 我是前位元組跳動AI算灋工程師，也是一名熱衷探索的AI極客與科技美學家。 頻道主打AI ...

Sau 10 video Docker chạy trên một máy duy nhất, đã đến lúc bước lên đám mây thật sự — nơi app của bạn phục vụ hàng nghìn ...