Aggregate functions
August 3rd, 2008Aggregate functions
Aggregate Functions (Transact-SQL)
Aggregate functions perform a calculation on a set of values and return a single value. Except for COUNT, aggregate functions ignore null values. Aggregate functions are frequently ... (more...)
SQL Aggregate Functions
This section introduces how aggregate functions are used in SQL. ... Since we have started dealing with numbers, the next natural question to ask is if it is possible to do math on ... (more...)
Functions, 2 of 177
For all the remaining aggregate functions, if the data set contains no rows, or contains only rows with nulls as arguments to the aggregate function, then the function returns null (more...)
Aggregate functions
Aggregate functions. Group functions return a value based on a group of rows. The exact group of rows is not determined until the query is executed and all rows are fetched. (more...)
SQL Functions
SQL Aggregate Functions. SQL aggregate functions return a single value, calculated from values in a column. Useful aggregate functions: AVG() - Returns the average value; COUNT ... (more...)
Aggregate Functions
Aggregate Functions. You can use functions within expressions to provide aggregate data. For example, you can calculate a sum of all values in a particular field by using the Sum ... (more...)
Comp100: Aggregate Functions
Creating Aggregate Functions in Access Tutorial . The Tutorial #3 in the New Perspectives Access 2000 book has misleading discussion of aggregate functions. (more...)
Aggregate Functions in SQL
Summarize data with SQL's SUM, AVG, MIN, MAX and COUNT functions. Your About.com Guide to Databases walks you through the process. (more...)
Aggregate Functions | O'Reilly Media
An introduction SQL aggregate functions, which operate on entire columns of data instead of discrete values. (more...)
Aggregate function - Wikipedia, the free encyclopedia
Common aggregate functions include: Average () Count () Maximum () Minimum () Sum () Aggregate functions are common in numerous programming languages such as Ruby, SQL, and in relational ... (more...)