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I am using CONCAT(CUSTOMER_ADDRESS_LINE1||,' ',CUSTOMER_ADDRESS_LINE2||,' ',CUSTOMER_ADDRESS_LINE3||,' ',CUSTOMER_CITY) but I am getting error message as Missing expressions.

OldProgrammer
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  • [Concatenation Operator](https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf/Concatenation-Operator.html#GUID-08C10738-706B-4290-B7CD-C279EBC90F7E) – astentx Jul 12 '22 at 13:52

2 Answers2

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You are mixing operators. Just use || to do all the concatenation:

CUSTOMER_ADDRESS_LINE1||' '||
CUSTOMER_ADDRESS_LINE2||' ' ||
CUSTOMER_ADDRESS_LINE3||' '||
CUSTOMER_CITY
OldProgrammer
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SELECT
    CUSTOMER_ADDRESS_LINE1 || ' '
    || CUSTOMER_ADDRESS_LINE2 || ' '
    || CUSTOMER_ADDRESS_LINE3 || ' '
    || CUSTOMER_CITY
from table .. 
Ashish Patil
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