Software QA (13)
SQL Server (1)
What Is a Database Table
What Is a Database Table? - Oracle DBA FAQ - Managing Oracle Database Tables
A database table is a basic unit of data logical storage in an Oracle database. Data is stored in rows and columns. You define a table with a table name, such as employees, and a set of columns. You give each column a column name, such as employee_id, last_name, and job_id; a datatype, such as VARCHAR2, DATE, or NUMBER; and a width. The width can be predetermined by the datatype, as in DATE. If columns are of the NUMBER datatype, define precision and scale instead of width. A row is a collection of column information corresponding to a single record.
2007-05-03, 4721👍, 0💬
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