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To understand the maximum characters allowed in the oracle DB

edited Jul 16, 2024 4:32PM in Database Administration (MOSC) 2 commentsAnswered

Is that 2000 characters are only allowed in the oracle database?

User is trying to convert Oracle BLOB type columns to string with the Oracle native function dbms_lob.substr(Column_Name,2000,1).
The above is trimming the data to 2000 characters.
It throws error as - "SQL Error [6502] [65000]: ORA-06502: PL/SQL: numeric or value error: raw variable length too long
ORA-06512: at line 1".
Oracle version - Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production

 We want to understand the limitation for this function or any alternate way to the same. 

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