I\'m very new to SQL and I have no clue how to even begin with this one. I\'ve got two tables: Warehouse and Items. Here\'s how they look like(simplified):
I\'ve got a table with purchase orders stored in it.Each row has a timestamp indicating when the order was placed.I\'d like to be able to create a report indicating the number of purchases each day, m
I have a need to create sales reports by day, week, month, etc. in PostgreSQL.I have the following tables setup:
I have a database with a table for details of ponies, another for details of contacts (owners and breeders), and then several other small tables for parameters (colours, counties, area codes, etc.). T
I would like to achieve SELECT @param1, @param2, @param3, t.field1, sum(t.amount) FROM table t WHERE t.field 2 IS NOT NULL AND
I have a List<Advertisement> where Advertisement contains public DateTime StartDate { get; set; }
I need the query to group by name and, if开发者_高级运维 one of the is_new is 1, the resulting value should be 1.
Let\'s say I have a mastertable (table1) with a detailtable (table2). There can be multiple detail records for each masterrecord. Now I want a query that counts all detailrecords for each masterrecord
I am trying to select the sum of an integer field for the past 5 days, and I need to group it for each day.
I have a Collection<IStatements> statements which has public interface IStatements { IDocuments Documents { get; set; }
加载中,请稍侯......