spatial data modeling in gis
Working with Spatial Data
Ngày tải lên :
05/10/2013, 08:48
... zero-dimensional. In this case, the two LineStrings intersect at a single point (5,5),
so they are deemed to cross. In contrast, two LineStrings only touch each other if the points at which
they intersect ...
“inside-out”—excluding the area they were intended to contain, and including everything else. In
geometry, data ring orientation is not significant, as there is no ambiguity as to the area contained within ... understanding compared to other traditional datatypes. If you’re interested in a more
thorough introduction to spatial data in SQL Server, I recommend reading Beginning Spatial with SQL Server 2008,
one...
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Tài liệu The UML and Data Modeling pptx
Ngày tải lên :
10/12/2013, 15:15
... Rational’s
Data Modeling Profile for the UML
2
.
The UML Data Modeling Profile
This white paper describes in detail the Data Modeling profile for the UML as implemented by
Rational Rose Data Modeler, including ... unified language. Using the UML data
modeling profile, Rational Rose Data Modeler unifies software development teams with a single,
shared tool.
The UML and Data Modeling
1
Introduction
The power ... exist on a single column.
Summary
With the data modeling for UML profile, the UML fully supports data modeling needs. It allows the
support of software development and data modeling with one...
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Tài liệu overview of data modeling and database design pptx
Ngày tải lên :
10/12/2013, 17:15
... the
data of a table in the database.
D
Redefine integrity constraints.
For more information, see
Develop Complex Data Models and Design Databases course description.
Overview of Data Modeling ... attribute.
Overview of Data Modeling and Database Design 8Ć29
Designing the Database
The database design stage produces design specifications for a relational database,
including definitions for relational ... Values in the column must match the defined
datatype.
User-defined Values must comply with the business rules.
Examples of UserĆDefined Data Integrity Constraints
D
An employee in the finance...
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Tài liệu ACCESS POINTS ON NARROWBAND DATA CIRCUITS IN MODERN docx
Ngày tải lên :
21/12/2013, 05:18
... Paper
Signaling System #7 (SS7), the linking of the phone system with computers for switch-
ing purposes through the data link has allowed the phone system to become intelligent
by linking SS7 with databases. ... the interconnection and inter-working of separate networks.
In addition to the inside network support applications such as SS7, the public networks
are also increasingly involved in providing ... Testing
By use of a patch appearance, a craftperson can segment a circuit at any convenient
point and perform intrusive testing with rack-mounted or portable instrumenta-
tion.
Circuit Rerouting
By...
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Tài liệu overview of data modeling and database design pdf
Ngày tải lên :
21/12/2013, 06:17
... indicating “must be.”
Crow’s foot Degree element indicating “one or more.”
Single line Degree element indicating “one and only one.”
Overview of Data Modeling and Database Design 8Ć27
Integrity ... the
data of a table in the database.
D
Redefine integrity constraints.
For more information, see
Develop Complex Data Models and Design Databases course description.
Overview of Data Modeling ... degree.
Overview of Data Modeling and Database Design 8Ć29
Designing the Database
The database design stage produces design specifications for a relational database,
including definitions for relational...
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Tài liệu On Data Throughput in Structured Cabling Systems pptx
Ngày tải lên :
19/01/2014, 05:20
... Meijer
Telecommunications Engineer Technical Training Manager
KRONE (Australia) Holdings Pty Limited KRONE (Australia) Holdings Pty Limited
Injecting
patchcord Cable run
More and more network managers are demanding
that ... slowdown in
network performance can be crippling to an
organisation in today’s global e-commerce
environment.
The network cabling infrastructure must be able to
support an enterprise’s increasing ... bit errors and thereby data retransmissions.
THE RESULT
Both in- house testing and on-site testing confirm
KRONE’s technical approach to proving the feasibility
of achieving Zero Bit Error Rates...
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Tài liệu Limit the Data Displayed in a Bound List Box doc
Ngày tải lên :
21/01/2014, 12:20
... code in Listing 1.2 in the Click event of the btnLoadList button. This code
loads the data entered from txtCustLimit into the parameter of the
OleDBDataAdapter1, which was created by using the ... contained within the
OleDbDataAdapter control will query against to limit the data displayed in the list box. A
command button will be added to allow you to call the Fill method of the
OleDbDataAdapter ... created by using the ? in the Select statement of
1.2 Limit the Data Displayed in a Bound List Box
Even populating a list box with a couple of columns from a table full of data can be a big
performance...
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