SQL - LENGTH() / LEN() / CHAR_LENGTH()
Each major database system implements string length functions differently. Understanding these differences prevents runtime errors during development and migration.
Read more →Length
R stringr - str_length() - String Length
The stringr package is one of the core tidyverse packages, designed to make string manipulation in R consistent and intuitive. While base R provides string functions, they often have inconsistent…
Read more →Python - Get Length of List
The len() function returns the number of items in a list in constant time. Python stores the list size as part of the list object’s metadata, making this operation extremely efficient regardless of…
PySpark - Length of String Column
Calculating string lengths is a fundamental operation in data engineering workflows. Whether you’re validating data quality, detecting truncated records, enforcing business rules, or preparing data…
Read more →Pandas - str.len() - Get Length of String
• The str.len() method returns the character count for each string element in a Pandas Series, handling NaN values by returning NaN rather than raising errors