How to use logical operators in Oracle Database

How to use logical operators in Oracle database, this article introduces the corresponding analysis and solution in detail, hoping to help more partners who want to solve this problem to find a more simple and easy way.

The use of logical operators in Oracle database is described in detail. Logical operators in 3 can be used in WHERE clauses, and logical operators allow the use of logical conditions to limit the results of the query. The logical operators are shown below:

XANDy: returns true when both x and y are true

XORy: returns true when one of x and y is true

NOTx: returns true; if x is false, false if x is true

The following example shows the use of the AND operator: retrieving rows from the customers table that meet the following two criteria:

The dob column is greater than January 1, 1970.

The customer_id column is greater than 3.

SELECT *

FROM customers

The following example shows the use of the OR operator: retrieving rows from the customers table that meet one of the following two conditions:

The dob column is greater than January 1, 1970.

The customer_id column is greater than 3.

SELECT *

FROM customers

WHERE dob > '01-JAN-1970'OR customer_id > 3

You can use the logical operators AND and OR to combine multiple expressions in the Where clause.

This is the answer to the question about how to use logical operators in Oracle database. I hope the above content can be of some help to you. If you still have a lot of doubts to be solved, you can follow the industry information channel for more related knowledge.