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New posts in aggregate-functions

Group by column "grp" and compress DataFrame - (take last not null value for each column ordering by column "ord")

SQL Server: collect values in an aggregation temporarily and re-use in the same query

Checking if select statement in stored procedure returns row

select more than one count in mysql

Average of datetime data type

PostgreSQL function with a loop

Aggregate function to detect trend in PostgreSQL

MySQL Count subquery

Select running total until specific SUM is reached

Is there any MySQL Aggregate Function for "CONTAINS"?

MySQL using MAX() with WHERE clauses

multiply(num) aggregate function in postgresql

PostgreSQL equivalent for MySQL GROUP BY

Group by data intervals

Find rows with duplicate values in a column

In SQL, how do I get all rows where a column's value is the lowest in the table?

Mend reshape-based habits with plyr: melt/cast vs. ddply

List number of rows per field value in SQL

Adding an aggregate function to the WHERE clause? [duplicate]

Using distinct and then an aggregate function in Postgresql?