This happens because you have tried to enter a literal with a format string, but the length of the format string was not the same length …

Complete guide to resolving Oracle ORA-01861 literal does not match format string errors with format alignment, type conversion, …

May 13, 2026 · Learn what causes Oracle ORA-01861 (literal does not match format string) and how to fix it fast. Step-by-step …

Jul 19, 2026 · Literals in the input must be the same length as literals in the format string (with the exception of leading whitespace). …

Dec 13, 2025 · ORA-01861 is an Oracle-specific error that occurs when a string literal(e.g., '2000-05-15') is used where a date is …

Jul 9, 2008 · The error means that you tried to enter a literal with a format string, but the length of the format string was not the same …

May 6, 2026 · Getting ORA-01861: literal does not match format string in Oracle? This guide explains exactly why it happens and …

May 17, 2019 · There're 5 ways that can solve ORA-01861 and make formats between date and string match each other. As we can …

The principle way to counter an ORA-01861 error is fairly simple. When the error is triggered, return to the line that Oracle indicated …

Feb 6, 2014 · Oracle doesn't understand the literal date format strings, as they are not in the same format that your client is …