Service Builder

Liferay Service Builder(Upcoming posts)
        1. Inserting data into Database by using Liferay API
        2. Finder Method by Using Single Column
        3. Finder Method by using Multiple Columns
        4. Custom SQL Queries/Native SQL Queries on Single Table
        5. Custom SQL Queries on Multiple Tables
        6. Scalars/Scalar implementation in Custom SQL
        7. Dynamic Query API
        8. CRUD Operations
        9. Data Retrieval Methods
        10. Which one has to choose for real time use cases
        11. Implementing CRON Jobs through service.xml(Completed)
        12. Implementing CRON Jobs by progrmatically/Dynamically

I will cover all the above topics in upcoming posts.Right now i am concentrating on Themes & Layouts of UI page.