create access database from xml schema
Tài liệu UML for XML Schema Mapping Specification doc
Ngày tải lên :
10/12/2013, 14:16
... Group (OMG). XML Schema is an emerging standard from W3C. XML Schema is
a language for defining the structure of XML document instances that belong to a specific document
type. XML Schema can be ... 1998. See
http://www.w3.org/TR/REC -xml
[XSDL] XML Schema Part 1: Structures, David Beech et al. See http://www.w3.org/TR/xmlschema-1/
[XMLNS] Namespaces in XML, Tim Bray, David Hollander, Andrew ... a XML SCHEMA schema.
Some of these also apply to associations:
• The
<<content>>
stereotype applies to aggregation associations for parts of XML Schema
content models.
• The XML...
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Tài liệu Database and XML Technologies- P3 docx
Ngày tải lên :
14/12/2013, 15:16
... the XML Database with Meta-Models. Most complex meta-models in
MECASP are obtained by the conversion from the definitions/ schemas of the existing
applications/ resource types (e.g. a generic database ... meta-model pro-
vided in MECASP.
The XML schema and XML meta-models are predefined in MECASP and the XML
models are user-defined and application-specific.
The XML meta-models (and implicitly, the ... database schema, a generic Java project,
graphical objects, etc). This conversion is accomplished in two phases: (1) conversion
of the application schema into an XML document; (2) conversion of the XML...
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Tài liệu Database and XML Technologies- P4 pptx
Ngày tải lên :
14/12/2013, 15:16
... 9
doc(’items .xml )//item_tuple[get-year -from- date(end_date)=1999]
[get-month -from- date(end_date)=doc(’items .xml )]
XQueries: 10
doc(’items .xml )//item_tuple[get-year -from- date(end_date)=1999]
[get-month -from- date(end_date)=doc(’items .xml )//item_tuple]
XQueries: ... site in the XML schema, but
/site//item does not have a correspondence in the schema. We emphasize that,
while the graph is somewhat related to the XML schema, it is different from the
schema, and ... =doc(’bids .xml )//userid]
XQueries: 13
doc(’bids .xml )//bid_tuple[userid =doc(’bids .xml )//userid]
XQueries: 13
doc(’bids .xml )//itemno
XQueries: 14
doc(’bids .xml )//bid_tuple[itemno =doc(’bids .xml )//itemno]
XQueries:...
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Tài liệu Database and XML Technologies- P5 pptx
Ngày tải lên :
14/12/2013, 15:16
... "p">
<mxml:celem>
<mxml:context> </mxml:context>
<mxml:elem> <p> </p> </mxml:elem>
</mxml:celem>
<mxml:celem>
<mxml:context> </mxml:context>
<mxml:elem> ... snapshots
can be obtained from MXML representations of XML histories. We also
argue that our model is capable to represent changes not only in an XML
document but to the corresponding XML Schema document ... his-
tory of XML documents using Multidimensional XML (MXML). We
demonstrate how a set of basic change operations on XML documents
can be represented in MXML, and show that temporal XML snapshots
can...
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Tài liệu Database and XML Technologies- P6 pdf
Ngày tải lên :
14/12/2013, 15:16
... stored in relational databases.
– Users are given an XML view /schema against which they issue XML queries.
– Access controls are specified by security administrators in the XML schema
and documents.
– ... watermark.
Supporting XML Security Models Using Relational Databases: A Vision 269
2.1 XML and Relational Security Models
XML access control models. Several authorization-based XML access control
models ... support access controls of
XML data by leveraging existing techniques in relational databases. We envisage
an XML data management system in which (1) users make XML queries against
a given XML schema; ...
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Tài liệu XML Schema Data Types pdf
Ngày tải lên :
21/12/2013, 05:17
...
Appendix A: XML Schema Data Types
The following diagram shows the type hierarchy defined in the World Wide
Web Consortium (W3C) specification Extensible Markup Language (XML)
Schema Part 2: ... specification Extensible Markup Language (XML)
Schema Part 2: Datatypes. These data types are used in XML schemas. This
specification defines built-in primitive data types, derived data types, and
facets....
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Tài liệu UML for XML Schema Mapping Specification docx
Ngày tải lên :
21/12/2013, 05:17
... Group (OMG). XML Schema is an emerging standard from W3C. XML Schema is
a language for defining the structure of XML document instances that belong to a specific document
type. XML Schema can be ... visibility constraints are every provided by XML Schema.
XML Schema provides an import mechanism for a schema to refer to definitions in another schema. In
SOX this is done with the
namespace
... providing a semantically
rich mapping from XML into UML. The goal of this paper is to layout such a mapping through XML
Schema, a schema language for object-oriented XML. This paper itself does not...
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Tài liệu Database and XML Technologies- P7 ppt
Ngày tải lên :
24/12/2013, 03:15
... support access controls of
XML data by leveraging existing techniques in relational databases. We envisage
an XML data management system in which (1) users make XML queries against
a given XML schema; ... relational databases to help enforce
XML authorization models, and none of the above XML authorization models
address the interaction between XML and relational access controls.
Relational access ... and
authorization tables in relational databases. This process is illustrated by circle
(1) in the figure. To access the XML data, a user submits an XML query against
the known XML schema. Based on the authorization...
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Tài liệu Connecting to a Password-Protected Access Database ppt
Ngày tải lên :
24/12/2013, 05:15
... distinct levels of access or permissions.
Anyone with the password has unrestricted access to the database.
The Set Database command from the Tools Security menu is used to set up a
database password. ... result.ToString( );
}
Discussion
A Microsoft Access database password requires that users enter a password to obtain
access to the database and database objects. This is also known as share-level ...
attributes in addition to those defined by ADO.NET. To open a database secured by a
Microsoft Access database password, use the Jet OLEDB :Database Password attribute in
the connection string to...
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Tài liệu Connecting to a Secured Access Database pptx
Ngày tải lên :
24/12/2013, 05:15
... Secured Access Database
Problem
You want to connect to a Microsoft Access database that has been secured with user-level
security and a workgroup file.
Solution
Use the Jet OLEDB:System Database ... information file or system database.
The sample code contains a single event handler:
Connect Button.Click
Creates and opens a connection to a Microsoft Access database secured with user-
level ... provider.
Information about the database is displayed from the properties of the
OleDbConnection object.
The C# code is shown in Example 1-4
.
Example 1-4. File: AccessSecureForm.cs
// Namespaces,...
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Tài liệu Creating a New Access Database pptx
Ngày tải lên :
24/12/2013, 05:15
... the new Access database and then calls
the CreateAccessDatabase( ) method in the sample to create the database.
CreateAccessDatabase( )
This method uses ADOX through COM interop to create the ... sfd.FileName;
try
{
CreateAccessDatabase(fileName);
MessageBox.Show("Microsoft Access database " +
fileName + " created.", " ;Create Access Database& quot;,
MessageBoxButtons.OK, ...
Recipe 10.6 Creating a New Access Database
Problem
You need to create a new Microsoft Access database.
Solution
Use ActiveX Database Objects Extensions (ADOX) from .NET through COM interop....
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Tài liệu Saving and Loading a DataSet from XML pptx
Ngày tải lên :
24/12/2013, 05:15
... Saving and Loading a DataSet from XML
Problem
You need to save a DataSet as an XML file and create a DataSet from an XML file.
Solution
Use the XmlTextWriter and XmlTextReader classes.
The ... FileAccess.Write);
// Create an XmlTextWriter using the file stream.
XmlTextWriter xtw = new XmlTextWriter(fs, Encoding.Unicode);
try
{
// Write the XML to the file.
ds.WriteXml(xtw, ... data is a DiffGram
•
ReadSchema if the DataSet already has a schema or the XML
document contains an inline schema
•
InferSchema if the DataSet does not already have a schema and
// Table name...
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Tài liệu Create a Database User Account pdf
Ngày tải lên :
24/12/2013, 06:17
... login and a database user account.
The SQL Server login simply allows a person to access SQL Server, but it does not
provide access to databases. A database user account provides access to one ... the Users icon and select New Database User from the shortcut
menu that appears. Alternatively, select New Database User from the Action
menu. In either case, the Database User Properties dialog ... one
database that SQL Server manages. Each user, therefore, will need an account with each
11.8 Create a Database User Account
The logins that you created in How-To 11.5 or 11.6 provide access...
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Tài liệu Database and XML Technologies- P2 doc
Ngày tải lên :
21/01/2014, 08:20
... relational database schema Sch with primary/foreign key definitions, we
may use the following basic mapping rules to convert Sch into a corresponding
XML schema Sch
XML.
Rule 1 For a relational database ... Sch
XML.
Rule 1 For a relational database schema Sch, a root element named Sch
XML
is created in the corresponding XML schema as follows.
<xs: element name = "Sch _XML& quot;>
<xs: complexType>
<xs: ... correspond-
ing SQL query. Fortunately, in VXE-R, the XML schema is generated from the
underlying relational database schema, therefore, the structure of the mapped
XML elements is normalized. Given the mapping...
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Tài liệu Compacting an Access Database docx
Ngày tải lên :
21/01/2014, 11:20
... Access database to compact and the filename for the
compacted Access database. It then calls the CompactAccessDatabase( ) method
in the sample to compact the database.
CompactAccessDatabase( ... COM interop to compact, repair, or create a replica from an Access database.
The CompactDatabase( ) method of the JRO JetEngine object compacts an Access
database. It takes two arguments: the ... need to compact or repair an Access database.
Solution
Use COM interop to the compact the Access database using JRO, or the Process.Start( )
method to compact the database using a command line...
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