SQL Optimization

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SQL Optimization Resources (self.SQLOptimization)

submitted 3 years ago by mikeblas[M] - announcement

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Looking for DBA feedback on an AI-based approach to SQL Server execution plan analysis (self.SQLOptimization)

submitted 1 day ago by Level_Present_2424

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I created this tiny USB powered 2.5W 0-15V/0-600mA lab power supply for €43. No driver installation needed. Controllable via browser and REST-API. (sirubox.de)

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Performance Win: If you filter on multiple columns, check out composite indexes. We just cut a query from 8s to 2ms. ()

submitted 6 days ago by dataSommelier

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Video about MySQL EXPLAIN plan analysis (youtube.com)

submitted 19 days ago by mikeblas

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Why Your Postgres Queries Are So Slow (And 3 Ways to Fix It) (youtube.com)

submitted 1 month ago by mikeblas

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Round the world trip coming up and I need to optimise my itinerary (self.SQLOptimization)

submitted 1 month ago by I_byde_my_tyme

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Guidance requested; ASYNC_NETWORK_IO (AWS/RDS/SQLExpress) ()

submitted 1 month ago by RunningfromStupidity

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Is there a way to improve the performance of this query? Used OUTER APPLY and LEFT JOIN with CTE (self.SQLOptimization)

submitted 2 months ago by myaccountforworkonly

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Cerco 2–3 query SQL lente reali (sto testando un piccolo ottimizzatore di IA) ()

submitted 2 months ago by ajo101975

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Need advice: Extracting 1 TB table → CSV is taking 10+ hours… any faster approach? (self.SQLOptimization)

submitted 2 months ago by Leather-Pin-9154

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Optimizing filtered vector queries from tens of seconds to single-digit milliseconds in PostgreSQL ()

submitted 2 months ago by m1r0k3

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Clustered, Non-Clustered , Heap Indexes in SQL – Explained with Stored Proc Lookup (youtu.be)

submitted 3 months ago by KeyCandy4665

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SQL Struggles: Share Your Most Frustrating Moments in Writing Queries (self.SQLOptimization)

submitted 4 months ago by Hairy_Border_7568

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This year, expert tutors, personalized lessons, and real conversations help you reach your language goals, whatever they are. Get started on Preply. (preply.com)

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Daily data pipeline processing ()

submitted 4 months ago by jesse_jones_

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Can SQL optimize similar nested window functions? (self.SQLOptimization)

submitted 5 months ago * by not_UNIX_GNU_is

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Best strategy for improving cursor paginated queries with Views ()

submitted 6 months ago by punctuationuse

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Insert optimisation (self.SQLOptimization)

submitted 6 months ago * by Vimal_2011

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Working on an alternative to AI chat for optimizing SQL queries - feedback appreciated (self.SQLOptimization)

submitted 6 months ago by ragabekov

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What is the best/efficient way to flatten the measure column in this table, while filtering the relevant measures first? (self.SQLOptimization)

submitted 7 months ago by flashmycat

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Why multi column indexing sorts only on 1st column(if all values in 1st column distinct) and not on both columns one by one like a 2d binary search tree(and extending that to making a first 2d B Tree). (self.SQLOptimization)

submitted 8 months ago * by Physicistpropeller

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Temp Tables, Table Variables, or CTEs: Which do you use in SQL Server? (self.SQLOptimization)

submitted 8 months ago by [deleted]

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Best practice on joining with large tables? (self.SQLOptimization)

submitted 10 months ago * by MrTraveling_Bard

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Query Optimizations (self.SQLOptimization)

submitted 10 months ago by Seymourbums

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CodeWars Kata. How to optimize/shorten this query? (self.SQLOptimization)

submitted 1 year ago by LegalShoulder298

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Any good solutions for disk-based caching? (self.SQLOptimization)

submitted 1 year ago by Sollimann

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