Post a Comment. How would you do that? Solution: You can use TOP clause in your query to return top x records. Top clause is really helpful to take a quick look into some data points instead of returning all the records.
How to Select Top ‘n’ or Bottom ‘n’ records from a dataset?
SQL LAST() Function
In this tutorial, you will learn how to use Query statements in Awesome Table to display only the columns of interest, reorder your columns, show items that meet the criteria you have set, sort your items, limit the records displayed, and label your column headers without touching the data source. Queries let you show only a specific subset of your data by using the Google Visualization Query Language. With Query in Awesome Table, you can:. Let's start with the basics: Language clauses. The syntax of the Query language is composed of clauses. Each clause starts with one or two keywords. All clauses are optional.
Top-N queries provide a method for limiting the number of rows returned from ordered sets of data. They are extremely useful when you want to return the top or bottom "N" number of rows from a set or when you are paging through data. This article presents several methods to implement Top-N queries.
They will be discussed in the following subsections. Firebird 1. This admittedly rather contrived query shows, in the second column, the maximum index selectivity of any index defined on a table, followed by the table's field count between parentheses.