The syntax in Oracle to indicate that it is not equal to a certain value is "column_name <> value". For example, to query employees whose salary is not equal to $1,000, you can use "SELECT emp_id, salary FROM employees WHERE salary < > 1000;" query.
How to write a value that is not equal to a certain value in Oracle
In Oracle, you can use the "NOT" operator to indicate that it is not equal to a certain value. The specific syntax is as follows:
<code class="SQL">column_name <> value</code>
Among them:
Example:
Suppose there is a table named "employees", which contains "emp_id" and "salary" columns. To query for employees whose salary is not equal to $1000, you can use the following query:
<code class="SQL">SELECT emp_id, salary FROM employees WHERE salary <> 1000;</code>
This query will return all rows with emp_id and salary columns where the salary column is not equal to $1000.
The above is the detailed content of How to write not equal to a certain value in Oracle. For more information, please follow other related articles on the PHP Chinese website!