Oracle SQL Question:

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Explain What is difference between SUBSTR and INSTR?

SQL Oracle Interview Question
SQL Oracle Interview Question

Answer:

SUBSTR returns a specified portion of a string eg SUBSTR('BCDEF',4) output BCDE
INSTR provides character position in which a pattern is found in a string. eg INSTR('ABC-DC-F','-',2) output 7 (2nd occurence of '-')

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