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Ispirer SQLWays Database Migration Software
SUBSTR
Syntax
SUBSTR(string, start [, length])
SUBSTR returns part of a character string beginning at start position, length characters long.
if start is positive, Oracle counts from the beginning of the string.
if start is negative, Oracle counts backwards from the end of the string.
if length is omitted, Oracle returns all characters to the end of the string.
Example
This example returns the full first name in one column, and only the first initial in the second column.
SELECT au_fname, SUBSTR(au_fname, 1, 1) FROM AUTHORS; Here is the result set: au_fname _______________________________ Albert A Ann A Anne A Michael M Michel MEquivalents in other databases
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