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Excel users can access external data sources via Microsoft Office features such as (for example) .odc connections built with the Office Data Connection file format. Excel files themselves may be updated using a Microsoft supplied ODBC driver. Excel can accept data in real-time through several programming interfaces, which allow it to ...
Example of a spreadsheet holding data about a group of audio tracks A spreadsheet is a computer application for computation , organization, analysis and storage of data in tabular form. [ 1 ] [ 2 ] [ 3 ] Spreadsheets were developed as computerized analogs of paper accounting worksheets . [ 4 ]
Reasonably lightweight but has very advanced features. KSpread — following the fork of the Calligra Suite from KOffice in mid-2010, superseded by KCells in KOffice and Sheets in the Calligra Suite. [4] LibreOffice Calc — developed for MS Windows, Linux, BSD and Apple Macintosh (Mac) operating systems by The Document Foundation.
The active record pattern is an approach to accessing data in a database. A database table or view is wrapped into a class. Thus, an object instance is tied to a single row in the table. After creation of an object, a new row is added to the table upon save. Any object loaded gets its information from the database.
A primary key is unique throughout all stored records; only one of this key exists. [15] In other words, no duplicate may exist for any primary key. For example, an employee file might contain employee number, name, department, and salary. The employee number will be unique in the organization and will be the primary key.
Google Sheets is a spreadsheet application and part of the free, web-based Google Docs Editors suite offered by Google.Google Sheets is available as a web application; a mobile app for: Android, iOS, and as a desktop application on Google's ChromeOS.
A database table can be thought of as consisting of rows and columns. [1] Each row in a table represents a set of related data, and every row in the table has the same structure. For example, in a table that represents companies, each row might represent a single company. Columns might represent things like company name, address, etc.
Previous Page: sort the data in the reverse order, select only the first {rows} rows, where the {unique_key} is less than {first_val} (the value of the {unique_key} of the first row in the current page), and sort the result in the correct order; Read and send to display all the rows read from the database