ORA-01489: result of string concatenation is too long

I got ” ORA-01489: result of string concatenation is too long ” error in Oracle database.

 

ORA-01489: result of string concatenation is too long

 

Details of error are as follows.

ORA-01489: result of string concatenation is too long

Cause: String concatenation result is more than the maximum size.

Action: Make sure that the result is less than the maximum size.
SQL> SELECT LPAD('A',4000,'A') || LPAD('A',4000,'A') || LPAD('A',4000,'A') FROM DUAL;
SELECT LPAD('A',4000,'A') || LPAD('A',4000,'A') || LPAD('A',4000,'A') FROM DUAL
*
ERROR at line 1:
ORA-01489: result of string concatenation is too long

    

 

 

result of string concatenation is too long

This ORA-01489 errors are related with the result of string concatenation is too long.

You should Make sure that the result is less than the maximum size.

 

To solve this error, you should use the TO_CLOB function as follows.

SELECT TO_CLOB(LPAD(‘A’,4000,’A’)) || LPAD(‘A’,4000,’A’) || LPAD(‘A’,4000,’A’) FROM DUAL;

 

If you got this error when you used the LISTAGG, then you can try to use XMLAGG function.

 

Do you want to learn Oracle Database for Beginners, then read the following articles.

Oracle Tutorial | Oracle Database Tutorials for Beginners ( Junior Oracle DBA )

 

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About Mehmet Salih Deveci

I am Founder of SysDBASoft IT and IT Tutorial and Certified Expert about Oracle & SQL Server database, Goldengate, Exadata Machine, Oracle Database Appliance administrator with 10+years experience.I have OCA, OCP, OCE RAC Expert Certificates I have worked 100+ Banking, Insurance, Finance, Telco and etc. clients as a Consultant, Insource or Outsource.I have done 200+ Operations in this clients such as Exadata Installation & PoC & Migration & Upgrade, Oracle & SQL Server Database Upgrade, Oracle RAC Installation, SQL Server AlwaysOn Installation, Database Migration, Disaster Recovery, Backup Restore, Performance Tuning, Periodic Healthchecks.I have done 2000+ Table replication with Goldengate or SQL Server Replication tool for DWH Databases in many clients.If you need Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS Consultancy and Training you can send my email adress [email protected].-                                                                                                                                                                                                                                                 -Oracle DBA, SQL Server DBA, APPS DBA,  Exadata, Goldengate, EBS ve linux Danışmanlık ve Eğitim için  [email protected] a mail atabilirsiniz.

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