Database Creation Software
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Database Creation Software

So far you have learnt the general characteristics of databases without going into much detail about specific applications for designing them.

The first databases were built together with large mainframe computers in the 60s, for example, IBM System/360. Those were not the days of PCs, therefore these databases required a highly specialized personnel. Although the old computers' hardware was unreliable, they were immeasurably slower and had less storage capacity, one feature of databases still remains most attractive: the data access by many users through a network.

In the 70s scientists formed the theory of relational databases (terms like: table, record, column (field) and relationality and many others). On the basis of this theory IBM DB2 and Oracle databases were created, which have been developed and used till today. In the late 70s the first PCs were constructed. Their users could (gradually) utilize many types of applications, including those for database construction.

When it comes to large databases in companies, the situation hasn't changed: they still require powerful computers or computer complexes called clusters. This goes, however, beyond the topic of this manual.

In the area of "accessible" databases with graphic user interface for PCs you can choose from the following:

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