411 Locals Interview Questions and Answers for Experienced

Optimizing SQL and database involves improving query performance and database design.

• Use indexes to speed up query execution

• Normalize database tables to reduce redundancy

• Avoid using SELECT * and instead specify required columns

• Use stored procedures to reduce network traffic

• Regularly analyze and optimize database performance

Control statements in database are used to control the flow of execution of SQL statements.

• Control statements in database include IF, CASE, WHILE, LOOP, and GOTO.

• They are used to control the flow of execution of SQL statements.

• They help in making decisions, looping through data, and jumping to specific parts of code.

• For example, the IF statement can be used to check a condition and execute a block of code if the c...read more

Identifying risks involves analyzing potential threats and vulnerabilities in the project or product.

• Conducting a thorough risk assessment

• Identifying potential risks and their impact on the project

• Prioritizing risks based on their likelihood and impact

• Developing a risk management plan to mitigate or avoid risks

• Regularly reviewing and updating the risk management plan

Prioritization depends on project requirements and team dynamics, but Agile/Scrum is preferred.

• Understand project goals and requirements

• Collaborate with team to identify priorities

• Use Agile/Scrum methodology for iterative development

• Consider impact on stakeholders and deadlines

• Regularly reassess priorities and adjust as needed

Test Driven Development is a software development approach where tests are written before the code.

• Tests are written before the code

• Code is written to pass the tests

• Tests are run frequently to ensure code quality

• Helps in catching bugs early in the development cycle