SQL sometimes referred to as Structured Query Language - is a special-purpose programming language designed for managing data in relational database management systems(RDBMS).
Originally based upon relational algebra and tuple relational calculus, its scope includes data insert, query, update and delete, schema creation and modification, and data access control.
SQL was one of the first commercial languages for Edgar F. Codd’s relational model, as described in his influential 1970 paper, “A Relational Model of Data for Large Shared Data Banks”. Despite not adhering to the relational model as described by Codd, it became the most widely used database language. Although SQL is often described as, and to a great extent is, a declarative language, it also includes procedural elements. SQL became a standard of the American National Standards Institute (ANSI) in 1986, and of the International Organization for standards (ISO) in 1987. Since then, the standard has been enhanced several times with added features. However, issues of SQL code portability between major RDBMS products still exist due to lack of full compliance with, or different interpretations of, the standard. Among the reasons mentioned are the large size and incomplete specification of the standard, as well as vendor lock-in.
Certain bosses may not know the worth of their staffers while others may. There are two reasons why some bosses are unnecessary tough; it was there experience ergo the feel that, the key to success – one must be pushed. Second reason, they are just plain stupid.
Ever wondered why you experience moments of great depression and moments of heightened bliss? Its because you leave the responsibility of your emotional state to external influences. Happiness is purely a temporal feeling. It has its source from external things; now this is good but I’m saying its not enough.
Understand that the same thing that gives you happiness can give you sadness. For instance, you just bought a car, you’re happy but once it breaks down on your way for an important function, what happens? You now experience another feeling completely opposite to happiness – sadness.
So, what am I saying?
I offer you a better way. Joy. Now this is an internal state irrespective of your environment or external impulses. It produces in you a state of general well being and kind disposition and this can never be changed.
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