Quick study sessions to strengthen memory and retain key concepts.
How can SQL joins be managed in a JDBC application?
By writing SQL join queries and executing them using JDBC. SQL joins allow combining rows from two or…
View Card →What are the trade-offs of using the Repository Pattern with JDBC?
It improves separation but can increase code complexity. While the Repository Pattern promotes clean separation of data access…
View Card →What role does the DriverManager class play in JDBC?
DriverManager manages the JDBC drivers and connections. DriverManager is responsible for loading JDBC drivers and establishing connections to…
View Card →How does JDBC facilitate transaction management?
JDBC allows manual transaction control via commit() and rollback(). By default, JDBC operates in auto-commit mode, where each…
View Card →What are the benefits of using try-with-resources in JDBC?
It ensures automatic resource closure. Frame the concept in practical terms so you can explain it during interview…
View Card →Why is it important to use PreparedStatements in JDBC?
PreparedStatements prevent SQL injection and improve performance. PreparedStatements precompile the SQL queries, which not only helps in preventing…
View Card →How does the Repository Pattern help in separating concerns in Java applications?
It abstracts data access logic from business logic. The Repository Pattern acts as a mediator between the domain…
View Card →Why is a repository method usually smaller than a whole checkout workflow?
Because one business use case often spans several repositories and policies. A repository is a data-access abstraction, not…
View Card →How would you explain the repository pattern buying you in plain JDBC code in an interview?
It isolates SQL and mapping details from business logic. A repository gives the rest of the application a…
View Card →Choosing Between PreparedStatements and Statements?
PreparedStatements are safer but can be less flexible for dynamic queries. While PreparedStatements are excellent for preventing SQL…
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