In addition, this SQL is far less than straightforward for many programmers. A better solution is to make use of a stored function in SQL. Instead of creating a view, create a function that performs exactly the same calculation, but this time only for the specified department: FUNCTION ...
In thePL SQL Operators And Control Statements Tutorialof thePL/SQL series, we learned about different PL SQL Operators and Control Statements like if-then-else, for loop, while loop, etc. with sample code examples. In this article, we will discuss the subprograms that PL/SQL supports. Also,...
Beginning Oracle PL/SQL Donald J. Bales Abstract One could argue that polymorphism is the subject of this chapter. Polymorphism is about using the same message (or command) in order to get the same result, but for different kinds of objects. Let’s look at a simple example....
Connecting to an Oracle server is a reasonably expensive operation, in terms of the time that it takes to complete. The oci_pconnect() function uses a persistent cache of connections that can be re-used across different script requests. This means that you will typically only incur the connect...