PT2520 Unit 1 Research Assignment 1
Use the Internet and the ITT Tech Virtual Library to research the following questions:
1. Look up the history of SQL.
SQL, Structured Query Language, is the standard language used to communicate with a relational database. The prototype was originally developed by IBM using Dr. E.F. Codd's paper ("A Relational Model of Data for Large Shared Data Banks") as a model. In 1979, not long after IBM's prototype, the first SQL product, ORACLE, was released by Relational Software, Incorporated (it was later renamed Oracle Corporation). It is, today, one of the distinguished leaders in relational database technologies. The American National Standards Institute (ANSI) is an organization that approves certain standards in many different industries. SQL has been deemed the standard language in relational database communication, originally approved in 1986 based on IBM's implementation. In 1987, the ANSI SQL standard was accepted as the international standard by the International Standards Organization (ISO). The standard was revised again in 1992 and was called SQL-92. The newest standard is now called SQL-99; it's also referred to as SQL3.
How many revisions of the standard have there been?
What was added in the most recent one?
1. A recent trend for major commercial database developers is to offer free “Express” versions of their databases. Microsoft has SQL Express, Oracle has Oracle Express, and DB2 has DB2 Express. Go to the company websites, and look up these Express editions. What features does each one have? What limits do they have? How do they compare to each other?
Any use of the Oracle Database Express Edition is subject to the following limitations; 1. Express Edition is limited to a single instance on any server; 2. Express Edition may be installed on a multiple CPU server, but may only be executed on one processor in any server; 3. Express Edition may only...