ORA-00923: From Keyword Not Found Where Expected

If you are working with an Oracle database and encounter the ORA-00923 error, it means that the SQL query you are trying to execute is missing the required “FROM” keyword in the correct place.

This error can occur in various situations, such as:

• When you are trying to execute a SELECT statement without specifying the table or view from which to retrieve data.
• When you are trying to execute a subquery without enclosing it in parentheses.
• When you are trying to execute a JOIN statement without specifying the tables to join.

To fix the ORA-00923 error, you need to carefully review your SQL query and ensure that the “FROM” keyword is used in the correct place. Here are some tips:

• Make sure that you have specified the correct table or view name after the “FROM” keyword.
• If you are using a subquery, enclose it in parentheses and make sure that it is placed in the correct position within the main query.
• If you are using a JOIN statement, make sure that you have specified the correct tables to join and that the join condition is correct.

Here is an example of a correct SQL query that uses the “FROM” keyword:

	SELECT *
	FROM employees
	WHERE department_id = 10;
	

If you still encounter the ORA-00923 error after reviewing your SQL query, you may need to seek assistance from a database administrator or Oracle support.

By following these tips, you can avoid the ORA-00923 error and ensure that your SQL queries execute successfully.

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