Access2010 Getting Started
A Data management library is a warehouse that organizes, stores, and manages data in accordance with a data structure.
The first database that appears is the mesh DBMS
In 1970, Dr. Efcodd put forward the concept of relationship model and put forward the theoretical basis of relational model.
SQL language features include querying, manipulating, defining, controlling, and so on. is a common relational database language, is also a highly non-procedural language, the need for users to do what is not how to do.
In 1976, Efcodd published a milestone paper, "R system, database relationship theory".
Chinese
Hing: Exposure: Sun. It is the most easy to grow plant, Sun Day, frozen 10 days, it is impossible to grow. It is difficult to work without perseverance.
To make a rule: dial: governance. Chaos: Refers to troubled times. Anti: Pass "return", restore. means to eliminate chaos and restore normal order.
Helpless: Raise: Plan. Exhibition: Display. A little trick can not be cast out, a little way can not think out.
Speech in front of Marx's tomb
But has been forever asleep: to express the meaning with the gentle saying.
Enemy: An opponent who conflicts over a belief point of view. Private enemy: An opponent who is in conflict with one's passions.
Enlightened: Suddenly understand a certain reason, the mood is very comfortable. A scratch: means not delving deeply.
Numerous miscellaneous: disorganized. Fruitful: Describe the outstanding achievements and effects.
Access 2010 Getting Started, languages