O'Reilly logo

Essential ADO.NET by Bob Beauchemin

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

3.4. Metadata Methods

The ANSI SQL standards (SQL-92 and SQL-99) define a series of metadata items that should be kept by a relational database. This list, known as the SQL information schema, contains data about database items such as tables, columns, primary keys, and stored procedure parameters. This information is presented in special metadata views. The spec describes the views that constitute the information schema and the metadata that should be available. An example (COLUMNs information) is shown in Table 3-3. Such information is especially useful for writing generic clients that present list boxes of information based on this metadata, such as a list of tables.

OLE DB provides a standard way to obtain metadata from the information schema. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required