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Other Java-Smart Syntax in SQL-JSQL-J syntax includes other elements borrowed from Java syntax to facilitate working with Java objects and classes. It includes the keyword INSTANCEOF, which allows you to test whether an object belongs to a particular class. This is useful if you are storing objects that are members of a subclass in a column associated with a superclass data type. SQL-J also includes the NEW keyword, which allows you to construct new objects within an SQL-J statement:
The conditional expression (?:) provides simple if-then control: For more information on these commands, see their manual pages in the Cloudscape Reference Manual. | ||
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