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Comparison of database String functions

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Author: User
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Oracle

Mysql

Mssql

Returns the start character in a string (from left)

INSTR

INSTR

CHARINDEX

Sub-string

SUBSTR

SUBSTRING

SUBSTRING

String length

LENGTH

LENGTH

Len

Returns the leftmost character of Len starting with the string str

Left

Left

Returns the right-most Len character starting from the string str

Right

Right

Comparison of database String functions

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