This repository provides an in-depth exploration of advanced SQL topics, including subqueries, the CASE statement, string functions, and the COALESCE function. It is tailored for SQL enthusiasts who ...
> 原文:[https://www . geesforgeks . org/SQL-general-functions-nvl-nvl 2-decode-join-null if-lnnvl-nanvl/](https://www.geeksforgeeks.org/sql-general-functions-nvl ...
Data transformation and optimization — tasks that many, if not most, large enterprises deal with — aren’t easy. And thanks to the enormous growth of AI and cloud technologies, the challenges appear to ...
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