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Database Design: Zero-Downtime Schema Migrations at Scale! Zero-downtime schema migration on a 300 million row table, done while users read and write to it 24/7. The obvious move is to add the column and update every row in one go. On a live table that locks huge numbers of rows, and suddenly every user request is stuck waiting on you. There's ...

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SQL Tutorial

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SQL Full Course 2026 [FREE] | SQL Tutorial For Beginners | Advanced SQL Full Course | Simplilearn

YouTubeSimplilearn

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Complete SQL Guide | From Basics to Advanced Queries

YouTubeCollege Wallah

8.3K views3 months ago

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Introduction to SQL

YouTubePragmatic Works

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Top videos

3:58

Las tablas en SQL Server son la base de cualquier base de datos. En esté tutorial aprenderás cómo crear tablas, declarar columnas primarias y tipos de datos correctamente paso a paso. No olvides seguirnos para poder seguir creando más contenido :) #sqlserver #sql #basesdedatos #programacion #aprendersql

TikTokdeprogramacion

467.7K views2 months ago

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Data Mentorship: Learn SQL, Python, Excel & Airflow

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ازاي تعمل Data modeling خطوة بخطوة

TikToktech.mind6

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SQL Basics

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SQL Full Course 2026 [FREE] | SQL Tutorial For Beginners 2026 | Advanced SQL Course | Simplilearn

YouTubeSimplilearn

567 views1 month ago

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SQL Introduction Tutorial for Beginners | What is SQL? | Learn SQL Basics Step by Step

YouTubeInfomax Computer Academy

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Microsoft SQL Made Easy: A Complete Beginner’s Guide-CompleteSQLCourse

YouTubeRaj Tech-Trainer

106 views2 months ago

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TikTokdeprogramacion

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TikTokdataladder

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142.8K views1 month ago

TikToktech.mind6

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Career Switch: Data Analytics to Supply Chain

58.5K views3 months ago

TikToknickpark94

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Upcoming Job Oriented Training Batches SQL School July 2026

63.9K views3 weeks ago

YouTubeSQL School

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Analista de dados: rotina em tarde chuvosa | Power BI, SQL e analytics

67.4K views1 month ago

TikTokjcastagnoli

1:27

SQL vs. NoSQL Databases The choice between SQL and NoSQL impacts how your application stores, scales, and manages data. SQL (Relational Databases) SQL databases use a structured, table-based format with rows and columns. They rely on a predefined schema, meaning you must define the data structure before adding any information. Strengths: Excellent for complex queries, multi-row transactions, and maintaining strict data integrity (ACID compliance). Best Use: Financial systems, accounting software

89.1K views2 months ago

TikTokgreghogg5

2:43

jom belajar excel, powerbi dan SQL bulan July? boleh guna kod JUNE49 untuk combo 2 kelas to get discount dan JUNE100 untuk combo 3 kelas ya. sesuai untuk semua intern, fresh grad, unemployed, yang menganggur kita akan start belajar dari level basic #dataanalysis #microsoftpowerbi #microsoftexcel #sql #freshgrad #kelasonline

182.4K views1 month ago

TikToksayamaiaa

1:21

#sql #тетрадьсмерти #ягамилайт #учёба #врек | light yagami laugh

277.4K views1 month ago

TikTokdenji_nedima

1:07

🔥Most Asked SQL Interview Questions for Data Analysts | Intellipaat

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YouTubeIntellipaat

1:07

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YouTubeSimplilearn

2:54

SQL in 30 Day 22: Mastering CASE Statements

58.6K views3 months ago

TikTokmarytheanalyst

0:10

Cómo recuperar una base de datos borrada en SQL cuando CTRL Z no funciona

138K views2 months ago

TikTokcodeacongabriel

2:56

SQL Interview: Track Monthly Active Customers (Senior/Staff DS)

75.3K views3 months ago

TikTokjonathan.interviews

0:53

ORM Explained by Cats: Your App's SQL Translator

66.9K views3 months ago

TikTokcoding.kitty7

1:15

Один % убил мой индекс — поиск завис на 8 секунд 🔥 LIKE '%foo%' — это ловушка: процент в начале выключает индекс. На миллионе строк — 5 мс против 8 сек. #sql #postgres #postgresql #backend #python #django #программирование #разработка #databases #performance #sqlacademy

76.9K views2 months ago

TikToksql.academy

1:16

Дашборд тормозит 5 секунд на каждой загрузке из-за тяжёлой агрегации? В Postgres это чинится одной командой — без Redis. VIEW не спасёт: это просто сохранённый текст запроса, агрегация гоняется заново каждый раз. А MATERIALIZED VIEW хранит готовый результат на диске — любой SELECT отдаёт его за ~50 мс вместо 5 секунд. В 100 раз быстрее. Нюанс: сам не обновляется — нужен REFRESH (обычно по расписанию). Зато, в отличие от Redis, его можно индексировать, фильтровать в SELECT и джойнить как обычную

62.4K views2 months ago

TikToksql.academy

1:00

🔥How to Build a Data Analyst Portfolio That Gets You Hired | Intellipaat

18.2K views3 weeks ago

YouTubeIntellipaat

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Spark Created 2009 Tasks, But I Only requested for 2000 #databricks #dataengineering

8.3K views1 week ago

YouTubeSumit Mittal

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