ORA-01756: Quoted String Not Properly Terminated

I got “ORA-01756: Quoted String Not Properly Terminated ” error in Oracle database.

ORA-01756: Quoted String Not Properly Terminated

Details of error are as follows.

ORA-01756: quoted string not properly terminated

Cause: You tried to execute a statement that contained a string that was not surrounded by two single quotes. One of the quotes was entered without the second accompanying quote.

Action: Rewrite the statement so that the string is surrounded by two single quotes

Quoted String Not Properly Terminated

This ORA-01756 errors are related with the statement that contained a string that was not surrounded by two single quotes. One of the quotes was entered without the second accompanying quote.

To solve this error, you need to Rewrite the statement so that the string is surrounded by two single quotes.

Following example has only 1 ‘ quotes as follows, so it will get the same error.

SELECT id, name
FROM customers
WHERE name = 'MEHMET;

Use 2 ‘ ‘ quotes as follows to solve this error.

SELECT id, name FROM customers WHERE name = 'MEHMET';

Don’t forget using  two single quotes in your SQL Statements.

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

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