Which function extracts a substring from a string?

Prepare for the WGU BUS2770 D467 Exploring Data Exam. Dive into interactive quizzes and insightful flashcards, each featuring detailed explanations to optimize your learning experience, and get exam-ready!

Multiple Choice

Which function extracts a substring from a string?

Extracting a portion of a string from a specific starting position for a defined length is what a substring operation does. The function that best matches this goal is SUBSTR, which takes the original string, a starting position, and a length, and returns that portion of characters. LEFT and RIGHT pull characters from the ends of the string, not from an interior start, so they don’t fit if you need a middle piece. MID can also extract substrings in some environments, but its availability and exact behavior vary, making SUBSTR the more universal and reliable choice.

Extracting a portion of a string from a specific starting position for a defined length is what a substring operation does. The function that best matches this goal is SUBSTR, which takes the original string, a starting position, and a length, and returns that portion of characters. LEFT and RIGHT pull characters from the ends of the string, not from an interior start, so they don’t fit if you need a middle piece. MID can also extract substrings in some environments, but its availability and exact behavior vary, making SUBSTR the more universal and reliable choice.

More practice questions