Creating Tables in Teredata Teradata

Victor Hugo once said, "An invasion of armies can be resisted, but not an idea whose time has come." If you talk to a typical Database Administrator setting up RDBMS (Relational Data Base Management) systems you will hear how difficult and time consuming it is to create tables. Teradata, realizing the sheer magnitude and size of most data warehouses, created an idea that the system should manage the difficult pieces of setup and administration. This is an idea whose time has come.

This is dedicated to the art and science of creating Teradata tables and the Data Definition Language (DDL) of SQL. Lots of people confuse a poor database design with destiny. They spend enormous time and energy setting up table space, reorganizing the data, and over indexing, just to get the system to function with limited capabilities. They assume it is just part of the job, but after they experience Teradata they realize and appreciate the straight forward manner in which Teradata functions.

Do not underestimate the importance of understanding how to manage tables in a data warehouse. Most people in data processing start their computer science work in an OLTP environment. This is radically different than most data warehouse environments. In an online database there may be dozens or hundreds of different tables. In a data warehouse environment there are often hundreds or thousands of different data tables. Teradata, designed for data warehousing, emphasizes the importance of creating tables easily, effectively, and efficiently. Teradata requires only that you have Permanent space and utilize the CREATE table statement.


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