#Oracle provides single #row functions to manipulate the #data values. The single row functions operate on single rows and return only one result per row. In general, the #functions take one or more inputs as arguments and return a single value as output. The arguments can be a user-supplied #constant, #variable, column name and an expression.
The single row functions are categorized into
Character Functions: Character functions accept character #inputs and can return either character or number values as #output.
Number Functions: Number functions accepts numeric inputs and returns only numeric values as output.
Date Functions: Date functions operate on date data type and returns a date value or numeric value.
Conversions Functions: Converts from one data type to another data type.
0:05 built-in functions
0:12 single row functions
1:11 types of functions
2:13 date functions
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