All the classes in Spring JDBC module are divided into four separate packages:

• core — the core functionality of JDBC. Some of the important classes under this package include JdbcTemplate, SimpleJdbcInsert, SimpleJdbcCall and NamedParameterJdbcTemplate.
• datasource — utility classes to access a data source. It also has various data source implementations for testing JDBC code outside the Jakarta EE container.
• object — DB access in an object-oriented manner. It allows running queries and returning the results as a business object. It also maps the query results between the columns and properties of business objects.
• support — support classes for classes under core and object packages, e.g., provides the SQLException translation functionality

Other

• Java - Spring - Security (JDBC Authentication)

Resources

• https://www.baeldung.com/spring-jdbc-jdbctemplate