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Spring, JavaConfig (i.e @Configuration) & JDBC by example

Example #1 Wiring JDBC Datasource

application.yml where the datasource properties are read.

Example #2 Wiring JDBC Datasource with JNDI

Example #3 Wiring JDBC Embedded Datasource for integration testing

Example #4 Wiring up the JdbcTemplate by passing in the datasource

Example #5 Wiring up a DAO…...

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NamedParameterStatement versus PreparedStatement

Q. When will you use NamedParameterStatement over PreparedStatement? A. Reason 1:  PreparedStatement uses anonymous parameters that are accessed by index, which is ok when you have 2 or 3 parameters, but for larger queries with many parameters it os more difficult to keep track of the indices. The developer has

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Posted in JDBC

JDBC Overview Interview Questions and Answers

Q. What is JDBC? How do you connect to a database? A.  JDBC stands for Java DataBase Connectivity. It is an API which provides easy connection to a wide range of databases. To connect to a database we need to load the appropriate driver and then request for a connection…...

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♦ 12 FAQ JDBC interview questions and answers

Q1. What are JDBC Statements? What are different types of statements? How can you create them? A1. A statement object is responsible for sending the SQL statements to the Database. Statement objects are created from the connection object and then executed.

The types of statements are: Statement (regular statement…...

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