New PDF release: A Novel Data Hiding Method for Two-Color Images

By Pan, Wu

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Entries in the row offset and rows on the page. 28 Part 1: Self-Paced Training Kit for Microsoft SQL Server 2000 Database Design and Implementation To make its space allocation efficient, SQL Server 2000 does not allocate entire extents to tables that have small amounts of data. SQL Server 2000 has two types of extents: ■ ■ A single object owns uniform extents; only the owning object can use all eight pages in the extent. Up to eight objects share mixed extents. A new table or index is usually allocated pages from mixed extents.

A table or form is derived from an object, which in turn can be derived from a class. Metadata contains multiple levels of abstraction. You can describe a data instance, then describe that description, and continue to describe subsequent descriptions until you reach some practical limit. Typically, metadata descriptions used in software development extend to two or three levels of abstraction. In real terms, a data instance of “loan table” can be described as a database table name. A database table can be described as a database table object.

Estimated lesson time: 25 minutes Overview of the SQL Server 2000 Components SQL Server 2000 is made up of many components, such as the relational database engine, Analysis Services, and English Query. 1). SQL Server 2000 Relational Database Engine The SQL Server 2000 relational database engine is a modern, highly scalable engine for storing data. The database engine stores data in tables. Each table represents some object class that is of interest to the organization, such as vehicles, employees, or customers.

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A Novel Data Hiding Method for Two-Color Images by Pan, Wu


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