PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early ...
SELECT SUBSTR('Oracle SQL', 1, 6); -- → Oracle (start at 1, take 6 chars) SELECT SUBSTR('Oracle SQL', 8, 3); -- → SQL (start at 8, take 3 chars) SELECT SUBSTR ...
/* An object type can have several methods. These can be member methods (instance methods) or static methods (class methods). An object type with methods must have a separate type body which contains ...
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