Sunday, September 11, 2011

Database Tables

A database most often contains one or more tables. Each table is identified by a name (e.g. "Customers" or "Orders"). Tables contain records (rows) with data.

Below is an example of a table called "Persons":
The table above contains three records (one for each person) and five columns (P_Id, LastName, FirstName, Address, and City).


The table above contains three records (one for each person) and five columns (P_Id, LastName, FirstName, Address, and City).

SQL Statements
The following SQL statement will select all the records in the "Persons" table:

SELECT * FROM Persons

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