HP Interview -2016 Unix 1) grep command in unix 2) what is set command

HP Interview -2016
Unix
1) grep command in unix
2) what is set command

Question Posted / sumanamara

HP Interview -2016 Unix 1) grep command in unix 2) what is set command..

2)
select length('HELLO')- length(replace('HELLO','L',''))
FROM
dual;

Is This Answer Correct ?

3 Yes

3 No

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