SQL-Ledger - Search Videos

Subquery vs Window Function — Which Wins?

YouTubeManish Sharma

Subquery vs Window Function — Which Wins?

Most SQL developers write correlated subqueries without realising the performance cost. For every row SQL processes, that subquery runs again. At scale, this becomes a serious problem.ROW_NUMBER fixes this — and makes your query scalable with one line change Many struggle to write confident SQL queries, especially when it comes to advanced ...

5.1K views1 month ago

Ledger Wallet Explained | A Complete Guide for Beginners

Ledger Wallet Explained | A Complete Guide for Beginners

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3.8K viewsSep 20, 2024

Ledger Nano Gen5 Cryptocurrency Hardware Wallet (Unboxing, Setup, Demo and Review)

Ledger Nano Gen5 Cryptocurrency Hardware Wallet (Unboxing, Setup, Demo and Review)

YouTubeCrypto Guide

1.2K views2 months ago

How to Set Up Your Ledger Flex Hardware Wallet | Official Step-by-Step Tutorial Guide

How to Set Up Your Ledger Flex Hardware Wallet | Official Step-by-Step Tutorial Guide

68.1K viewsNov 25, 2024

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