What are 3 ways SQL can access a relational database?

Answer 1

SELECT * FROM Customers
WHERE City LIKE 'ber%';
SELECT * FROM Customers
WHERE City LIKE '%es%';

SELECT Customers.CustomerName, Orders.OrderID
FROM Customers
INNER JOIN Orders
ON Customers.CustomerID=Orders.CustomerID
ORDER BY Customers.CustomerName;

I did a lot of SQL in my second half of my school, so I know it is not that different from this.

Answer 2

SQL can access a relational database using the SELECT statement to retrieve data, the UPDATE statement to modify data, and the DELETE statement to remove data.

Answer 3

Important ways to access relational database:

1. Accessing the relational database using JDBC with Spring.

2. LIBNAME Statement for relational database.

3. Using HBase