Computer Science
The following SQL is which type of join :
SELECT CUSTOMER.CUST_ID, ORDER.CUST_ID, NAME, ORDER_ID
FROM CUSTOMER, ORDER
- Equi-join
- Natural join
- Outer join
- Cartesian product
SQL Joins & Grouping
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Answer
Cartesian product
Reason — This query uses a comma-separated list of table names in the FROM clause without specifying any join condition. In SQL, when we list multiple tables in the FROM clause separated by commas without specifying a join condition, it results in a Cartesian product.
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