Database - Interview Questions and Answers for 'JDBC' | Search Interview Question

Database - Interview Questions and Answers for 'JDBC' - 8 question(s) found - Order By Newest

Q1. What is JDBC? Describe the steps needed to execute a SQL query using JDBC.

Ans. The JDBC is a pure Java API used to execute SQL statements. It provides a set of classes and interfaces that can be used by developers to write database applications.

The steps needed to execute a SQL query using JDBC:

1. Open a connection to the database.
2. Execute a SQL statement.
3. Process th results.
4. Close the connection to the database.

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Q2. Do you like Native SQL Apis like JDBC or JPA / Hibernate ?

Hibernate

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Q3. What is connection pooling?

Database

Ans. It's a technique to allow multiple clients to make use of a cached set of shared and reusable connection objects providing access to a database or other resource.

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Q4. Difference between JDBC and Hibernate ?

Database

Ans. JDBC is a standard Java Api for Database communication whereas Hibernate is an ORM framework that uses JDBC to connect with Database.

Hibernate is another layer of object table mapping over JDBC that provide a database independent, object oriented and an efficient way of database communication.

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Q5. Which interface is responsible for transaction management in JDBC ?

Database

Ans. Connection Interface

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Q6. What are the methods to connect to database in Java ?

Database

Ans. JDBC ( Java Database Connectivity ),ODBC (Open Database Connectivity), Hibernate, JPA ( Java Persistence API ), JOOQ,MyBatis

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Q7. What is the difference between JDBC, Hibernate and ODBC ?

Database

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Q8. What is difference between Spring jdbc template and Hibernate ?

Hibernate

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