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Oracle SQL Functions Explained Clearly | UPPER, SUBSTR, CONCAT | Interview Important
In this video, I explain Oracle SQL Functions in a clear and practical way. You will learn: Types of Functions in Oracle Single Row Functions Multiple Row (Aggregate) Functions Character Functions UPPER LOWER INITCAP SUBSTR (with important interview rules) CONCAT vs || operator I also explain: Why m = 0 is treated as 1 in SUBSTR How negative ...
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