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Explore the scope of the PL/SQL variable with practical examples. Learn how local and global variables interact and how PL/Scope enhances code analysis.
Learn how to use the PL/SQL MERGE statement to perform insert and update operations in a single query. Simplify your database operations with this powerful statement.
Learn the key differences and usage of PL/SQL collections: associative arrays, nested tables, and varrays. Includes examples for quick reference.
Learn how to deploy Oracle ADF applications on GlassFish Server with this step-by-step guide. Includes setup of ADF Essentials and configuration tips.
Learn how to resolve the "Access Restriction" error for sun.misc.BASE64Encoder in Eclipse. Step-by-step instructions and alternatives provided.
Learn how to retrieve specific columns using JPQL and map them to a custom class. Reduce memory usage and enhance efficiency with this approach.
Learn how to use JPA's @SecondaryTables annotation to map a single entity across multiple tables. Step-by-step examples with JUnit test cases included.
Learn how to use JPA Embeddable objects for shared mappings. Implement Address in Customer and Orders using Embeddable classes with examples and test cases.
Learn the purpose, elements, and relationships in UML use case diagrams. Explore their role in requirement analysis and system design with examples.
Learn about the five key relationships in UML class diagrams: dependency, aggregation, composition, inheritance, and realization. Explore examples in Java for better understanding.