The relational database is a combination of the Master spreadsheet table and all of its Slave tables or spreadsheets. For example, your driver’s license is a single record in a flat-file ...

When files must be related (customers to orders, vendors to purchases, etc.), a relational database manager is used, not a flat file manager. Flat files can be related, but only if the ...

Flat file databases cause insertion, deletion and update anomalies. Use of relational databases where primary and foreign keys are used to link tables helps overcome these issues. Analysis Inputs ...

Therefore, this article addresses the single “flat file” Pivot Table reports. We’ll follow up with coverage of the multi-file “relational” Pivot Table reports. 1. Open the database file ...

In this flat file database, the data on each member of staff is held together with all data for each department. This is unnecessary as some information is stored more than once (eg the same phone ...

Relational database management systems (RDBMS ... Compare this with older, legacy data manipulation mechanisms (such as VSAM, IMS, and flat files), in which the programmer must know the physical ...

Other non-flat file formats can be handled the same way ... and some by PostgreSQL. This allows using relational databases in a scalable fashion. Other types of storage are also possible. The release ...