Wordscloud Database Management Intern Interview Questions and Answers

Yes, views can be updated in SQL.

• Views can be updated in SQL by using the CREATE OR REPLACE VIEW statement.

• The data in the underlying tables will be affected when the view is updated.

• Views can be updated to include new columns or filter criteria.

• Example: CREATE OR REPLACE VIEW my_view AS SELECT * FROM my_table WHERE column = 'value';

Types of triggers include DML triggers, DDL triggers, and logon triggers.

• DML triggers are fired in response to data manipulation language (DML) events like INSERT, UPDATE, DELETE.

• DDL triggers are fired in response to data definition language (DDL) events like CREATE, ALTER, DROP.

• Logon triggers are fired in response to a LOGON event.

• INSTEAD OF triggers are used to perform an action instead of the triggering action.

Views can improve query performance by simplifying complex queries and reducing the need for redundant code.

• Views can store complex queries and calculations, allowing for easier access and reuse of data.

• Views can help optimize performance by pre-aggregating data or joining tables in advance.

• Views can reduce the need for writing repetitive code by encapsulating common logic.

• However, views can also introduce overhead if ...read more

Using sp_ prefix for stored procedures can cause performance issues and conflicts with system procedures.

• sp_ prefix is reserved for system stored procedures in SQL Server, so using it for user-defined procedures can lead to conflicts.

• Using sp_ prefix can cause unnecessary overhead as SQL Server first searches in the master database for system procedures before looking in the user database.

• Avoiding sp_ prefix can improv...read more

I manage daily tasks by prioritizing sprint tasks and addressing user issues promptly.

• Prioritize sprint tasks based on deadlines and importance

• Communicate with team members to ensure tasks are on track

• Address user issues promptly to maintain system functionality

• Use project management tools like Jira to track progress