Which of the following fields, can be edited?

Choose the most correct answer for each concept

Sometimes you need entire tables to perform data validation and enable users to pick values from a dropdown list instead of typing the values. What is the easiest option to achieve that?

Indexes can improve the performance of queries that use joins to retrieve data from two or more tables.

The INNER JOIN statement returns values from both tables where the primary and foreign key matches, thus only returning non-NULL values that match.

You implement theta joins by their criteria rather than by using the SQL JOIN reserved word.

Referential integrity violations are a concern any time data is inserted into a table, removed from a table, or updated in the table. What is the effect of choosing the Cascade Update Related Fields option?