An ORM library is written in our language of choice and encapsulates the code needed to manipulate the data. Therefore we don’t need to directly use the SQL; we can interact instantly with an object from our code, instead of a database table. The ORM tool translates the interaction into ...
16. What are the new features introduced in SQL Server 2000 (or the latest release of SQL Server at the time of your interview)? What changed between the previous version of SQL Server and the current version? This question is generally asked to see how current is your knowledge. Generally...
14) What is the difference between function and procedure in SQL? A function returns a single value that, as it were, becomes an element in queries. A procedure sends back some realization of itself in terms of performance and various tasks. 15) What is a composite key in SQL? It consis...
14Encapsulation is a process of binding or wrapping the data and the codes that operates on the data into a single entity. This keeps the data safe from outside interface and misuse. One way to think about encapsulation is as a protective wrapper that prevents code and data from being arbit...
SQLExeception etc 4 what is JDBC driverManager class? it manages the register drivers. It can be used to register and unregister drivers. It provides factory method that return the instance of connection. 5 what is JDBC connection interface?
Hibernate provides a powerful query language (HQL) that is similar to SQL. However, HQL is fully object-oriented and understands concepts like inheritance, polymorphism and association. Hibernate is an open source project from Red Hat Community and used worldwide. This makes it a better choice th...
Platform ClassLoader: This class loader is responsible for loading platform classes such as Java SE platform APIs, their implementation classes and JDK-specific run-time classes. For example, the platform classes such as java.net.http, java.sql, org.graalvm.compile(JDK Specific). System/Applicatio...
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Looking forward to appear in Java Interview, here are the key Java Interview Questions with Answers only for you. - aatul/Java-Interview-Questions-Answers