LINQ Interview Question #18

What are standard query operators in LINQ?

LINQ Fundamentals, Syntax, IEnumerable & IQueryable Junior Beginner

Quick Interview Answer

Standard query operators are the LINQ methods that perform operations on sequences. Major categories include filtering, projection, ordering, grouping, joining, set operations, element selection, aggregation, quantifiers, partitioning, and conversion.

Detailed Explanation

Standard query operators are the LINQ methods that perform operations on sequences. Major categories include filtering, projection, ordering, grouping, joining, set operations, element selection, aggregation, quantifiers, partitioning, and conversion.

Examples include Where, Select, OrderBy, GroupBy, Join, Distinct, FirstOrDefault, Count, Any, Skip, Take, and ToList.

Code Example

var result = products
    .Where(p => p.IsActive)
    .OrderByDescending(p => p.Price)
    .Take(10)
    .Select(p => p.Name)
    .ToList();