Question Bank
246 approved questions from the community
What is the difference between an INNER JOIN and a FULL OUTER JOIN?
Which of the following statements about the TRUNCATE command are correct?
When would you most likely consider denormalization for a database design?
The primary goal of database normalization is to minimize data redundancy and ensure data integrity by organizing fields and tables.
What is a foreign key?
What is the primary role of a primary key in a database table?
Which of the following best describes a relational database schema?
What is a primary distinction between SQL and NoSQL databases regarding their schema?
In the context of database transactions, which of the following are part of the ACID properties?
What is a database management system (DBMS), and can you name some examples?
Which of the following are benefits of using TypeScript's type system?
What is a 'Parameter Property' in a TypeScript constructor?
In a TypeScript class, where can a 'readonly' property be assigned a value?
Abstract classes in TypeScript can be directly instantiated using the 'new' keyword.
Which command-line tool is used to compile TypeScript (.ts) files into JavaScript (.js)?
TypeScript supports function overloads, allowing multiple signatures for a single function implementation.
Which symbol is used to denote an optional parameter in a TypeScript function declaration?
How does 'Type Inference' work in TypeScript?
Which type is best suited for representing a discrete set of named constants like HTTP methods or days of the week?
What is the primary purpose of an 'Interface' in TypeScript?