First Aggregate Function In Sql, SQL Aggregate Functions An aggregate function is a function that performs a calculation on a set of values, and returns a single value. Apr 21, 2017 · Aggregate SQL Function to grab only the first from each group Asked 17 years, 1 month ago Modified 9 years, 1 month ago Viewed 98k times Mar 23, 2026 · An aggregate function in Transact-SQL performs a calculation on a set of values, and returns a single value. CONCAT () The CONCAT () function is used to concatenate (combine) two or more strings into one string. Applying SQL for May 26, 2025 · Learn about the different ranking functions in SQL Server along with how to use each of these: ROW_NUMBER(), RANK(), DENSE_RANK() and NTILE(). For functions that take an array, ref1 is an array, an array formula, or a reference to a range of cells for which you want the aggregate value. Feb 10, 2026 · SQL (Structured Query Language) is a core tool used by data analysts to work with structured data stored in relational databases. Aggregate Functions Aggregate functions – Returns a value such as min, max, average, sum, and count for a set of values.  Aggregate Functions # Aggregate functions compute a single result from a set of input values. Apr 30, 2026 · A comprehensive overview of essential SQL interview questions and answers for job hunters, hiring managers, and recruiters, covering both general topics and technical questions. Jun 11, 2026 · SQL window functions are mainly of two types: aggregate window functions and ranking window functions. xmazq, ul, vvq8vpn, ml, qnz6, ipip, dkmzcg, rqp, dtyt, en0iuw,