Scalar functions are used to return a single value based on the input values (one or more values).
SQl scalar functions
- UCASE(): It converts the specified field in upper case
- LCASE(): It converts the specified field in lower case
- MID(): It extracts and returns character from text field
- FORMAT(): It specifies the display format
- LEN(): It specifies the length of text field
- ROUND(): It rounds up the decimal field value to a number
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