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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 ...
A range query is a common database operation that retrieves all records where some value is between an upper and lower boundary. [1] For example, list all employees with 3 to 5 years' experience. Range queries are unusual because it is not generally known in advance how many entries a range query will return, or if it will return any at all.
Small Business Financial Manager (SBFM) was an Excel-based tool which allowed users to analyze data and create reports and charts based on a created from user's accounting data from popular accounting packages (i.e. QuickBooks). It was first released in 1996 and bundled with Small Business editions of Office 97 or with every Office 2000 suite ...
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 ]
CSV is a delimited text file that uses a comma to separate values (many implementations of CSV import/export tools allow other separators to be used; for example, the use of a "Sep=^" row as the first row in the *.csv file will cause Excel to open the file expecting caret "^" to be the separator instead of comma ","). Simple CSV implementations ...
A document-oriented database is a specialized key-value store, which itself is another NoSQL database category. In a simple key-value store, the document content is opaque. A document-oriented database provides APIs or a query/update language that exposes the ability to query or update based on the internal structure in the document. This ...
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.
The relational model (RM) is an approach to managing data using a structure and language consistent with first-order predicate logic, first described in 1969 by English computer scientist Edgar F. Codd, [1] [2] where all data are represented in terms of tuples, grouped into relations.