SQL Query Optimization 📚📘. Bookmark it now 🔥 . ●Use Proper Indexing. How indexes work. ●Avoid SELECT *.●Avoid Redundant or Unnecessary Data Retrieval. ●Use Joins Efficiently. ●Analyze Query Execution Plans. ●Optimize WHERE Clauses. ●Optimize Subqueries. ●Use EXISTS

Subqueries Thursday 😊.Practiced subqueries today and I'm feeling like SQL we will meet in Advance class🤟. Now, who's ready to say hello to Python with me 😄. #SQL #JP2025 #datafam #Dataanalysis

<Day 7/10 of LeetCode SQL 50> .Brushed up the concept of 'subqueries' from @thevipulvats & solved 3 problems -. Overall difficulty = 7.5/10 (need to invest more time on subqueries, it seems hard) . #SQL #LeetCode #buildinpublic #database

CTEs vs Subqueries: When to Use What?

I'm reading "Unnesting Arbitrary Queries" by Neumann&Kemper, to be presented at Turso's internal "Papers We Love" discussion next week. TLDR: Basically, people be writing subqueries, and they be slow as shit. Scientists come up with this One Weird Trick (relational algebra) to

Day 22 - Went through what I've learned so far in SQL. CLAUSES, JOINS, SUBQUERIES, FUNCTIONS, CTEs and a whole lot more. Just wanted to get a refresh. Next stop #visualization. I can't wait. #datafam #DataDriven #Analytics

When subqueries and CTEs are giving you a headache, and suddenly selling handbags doesn’t sound so bad:

Data Engineering Bootcamp with 16+ Projects 👇🏻. Here's everything you will learn in the 6 Course Pack. - Python Basics (Data Types, Functions, OOP, Loops, Conditionals, NumPy, Pandas). - SQL Fundamentals (JOINs, Subqueries, Window Functions, Normalization, ER Modeling). - Data

Week 2 at #ALXProDev ✅.Learned: SQL joins, subqueries, EXPLAIN, ANALYZE, indexing, & async Python. Missed my first deadline 😓.Realized Django ORM made things too easy for me. Had to really learn raw SQL again. Recovered before the second deadline .#ALX_ProDevBE #SQL

Laravel Tip 🚀. You can add subqueries to your queries with Eloquent with the addSelect method. This can make queries much cleaner and sometimes avoid JOINs that are not needed. Check this example on how to order users by the last payment date without a JOIN. 🔥

اذا انت مهتم تكون مهندس بيانات⚙️. الموضوعين هذولي تعتبر من اهم المهارات في SQL وهي اللي بتفرق معك في المقابلات. طبعا تعتبر Advance شوي بس بتحتاجها بشكل يومي. انصحك تقوي نفسك فيها قدر المستطاع👇🏻. 🔹SQL Window Functions.🔹Subqueries in SQL

Data analysts, let’s talk SQL!.Which part of SQL gave you the biggest headache when you first started?. - JOINs. - Subqueries. - Window functions. - GROUP BY & Aggregates. Vote and confess your SQL struggles in the replies. 😅.

OK chat, i tried to create RLAIF rank for search pipeline. does this work?. 1. query q.2. planner: decompose/expand [subqueries] q.3. retrieval mixture: BM25/SPLADE-v3/colBERTv2/E5. 4. Candidate pool D_q (RRF Fusion).> Cross encoder reranker f(q,d) (policy) +differential

Sql is so simple. Subqueries and CTEs:

Beginner SQL roadmap:. 1. SELECT, WHERE.2. ORDER BY, LIMIT.3. GROUP BY, HAVING.4. JOINs (INNER, LEFT).5. CTEs.6. Subqueries.7. Window functions. You don’t need everything. Just the right things. @MetricMindsIn.

DIfference between Non_Correlated and Correlated Subqueries in SQL

Another week of SQL with @TDataImmersed.Levelled up with CASE, CTEs, Subqueries, DATE_PART, JOINs & CONCAT using @SQLServer.Should I say I'm querying like a pro now?!🤭.@DabereNnamani @JudeRaji_

GEO (generative engine optimization) is gonna shake up the SEO industry. i just done a deep dive on. - the difference between SEO & GEO.- why SEO still matters, but it's not the whole equation.- the GEO process from prompt -> subqueries -> citing.- how to increase the

SQL for Data Engineering – Key Concepts 👇. • ACID, normalization, keys.• ER modeling, data modeling.• JOINS, CTEs, subqueries.• Window funcs: RANK, ROW_NUMBER.• CTAS, views, temp tables.• Handling messy date/time data. Check in-depth guide here:.

⠀ ִ ࣪ ׅ 𐔌ㅤ 01/08/25. ⠀⠀⠀ learnt sql basics about querying & relating: sql syntax/keywords, aggregate functions, keys, subqueries, and stuff! then ended my day with learning for hsk1 🩷.⠀#studytwt #monicarchives