Question Bank
3705 approved questions from the community
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?
Declaring an object with 'const' in TypeScript makes the internal state of that object immutable.
In TypeScript, which keyword is recommended for declaring variables within a block scope to ensure predictability and avoid hoisting issues?
What does the 'never' type represent in TypeScript?
What is a 'Tuple' in TypeScript?
Which basic type in TypeScript is typically used as the return type for functions that do not return a value?