This is a localized order management system that runs off of the Microsoft Access engine (forms, reports, queries, macros) but utilizes a core SQL DB for the tables. "SELECT SUM(QuantityOrdered ...

The `SELECT DISTINCT` statement in SQL is used to retrieve only unique (distinct) values from a column or combination of columns in a table. This is useful when a column contains duplicate values, and ...

In a talkback comment to my review, “CSharper” pointed me at one solution to finding the LINQ equivalent of a SQL “SELECT DISTINCT” query: tack on a LINQ .Distinct() method call to the ...

A SELECT statement containing these predicates has the following parts. - **ALL**: Assumed if you don't include one of the predicates. The Microsoft Access database engine selects all of the records ...

i have 2 tables, one is a list of vehicles, the other is a regularly updated(2 minutes) list of their coordinates, with a timestamp of the coordinate, and a ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.

In mysql, the select distinct statement is used to return only distinct values means if in a table, a column has duplicate values then select distinct statement will be used to get different ...

The DICTIONARY tables component is specified in the FROM clause of a SELECT statement. DICTIONARY is a reserved libref for use only in PROC SQL. Data from DICTIONARY tables are generated at run time.