Oracle Database11g tutorials || Oracle SQL substr function

Published: 24 January 2021
on channel: Helping families make smart insurance decisions

SQL substr function
SQL Substr function will return a sub string of a specified length from the source string beginning at a given position.

As we can see SQL substr function takes 3 parameters. First one is Source string from which you want to extract the segment.
Second parameter is Starting position for sub string from the Source string.
And the third parameter is Substr_length which is the length for the substring.
First two parameters are mandatory to specify while third one is optional.

For Oracle Aggregate Functions, please check out at • aggregate functions

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