Accessing and Modifying System Properties with SQL-J
You can access Java system properties within your queries (most useful when running in embedded mode; in server mode, you will see the server’s properties, not the client’s). VALUES (CLASS
You can access Java system properties within your queries (most useful when running in embedded mode; in server mode, you will see the server’s properties, not the client’s). VALUES (CLASS
This example shows how to create a method, and then an alias for that method, to act like the Sybase-style SUBSTRING built-in function. (Note that you can also perform methods
Java’s exception handling mechanism provides developers with an elegant, easy-to-use way to handle exceptional situations in their programs. For example, if there is a file operation to be performed, one
[float]s and [double]s are useful for graphics and possible statistics.However they are not recommended for certain calculations requiring absoluteaccuracy, such as when they involve money . That’s because the results
The java.net.ServerSocket class implements a server socket. A server socket waits for requests to come in over the network. It performs some operation based on that request, and then possibly
Sorting arrays of primitive types (byte, char, double, float, int, long, and short) is easy.Example: import java.util.*;import java.awt.*;class SortDBL // Sorts an array of randomly generated double values.{ public static
This interface defines the way in which objects are to be compared. Anobject that implements this can be sorted as easily as any primitive, such asthe [String] class… import java.util.*;import
It is a common task for servlet (JSP) developers to have to display something with a server-based operation (calculation) that wastes a lot of time. Suppose you have a very
If you have a whole-number counter, for example in a loop or record counter, consider using a datatype of PLS_INTEGER instead of INTEGER or NUMBER. When declaring an integer variable,