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Applies to:  CELONIS 4.0 CELONIS 4.2 CELONIS 4.3 CELONIS 4.4 CELONIS 4.5 CELONIS 4.6 

Description

LEFT returns the first n characters of a string. If the string is smaller than n characters, the whole string is returned.

Supported input column types: STRING

Output column type: STRING

NULL-values: If the value is NULL, the result is NULL

Syntax

LEFT ( table.column, n ) 

Examples


[1] Get first character of string.

Query
Column1
LEFT ( "Table1"."Column1" , 1)
Input
Table1
Column1 : STRING
'abc'
' bc'
''
null
' '
null
'Left'
'Right'
Output
Result
Column1 : STRING
'a'
' '
''
null
' '
null
'L'
'R'


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