creating a relational database in access 2003

Ngày tải lên: 07/03/2014, 14:20

... Spatial data and spatial databases ã Adding spatial extensions to PostgreSQL ã OpenGIS and standards Spatial Relationships Containment: Rivers inside watersheds and land (islands) inside lakes ... the previous data Spatial Relationships Adjacency: All the lots which share an edge Why put spatial data in a RDBMS? ã Spatial data is usually related to other types of data. Allows one to ... 'R-trees: A Dynamic Index Structure for Spatial Searching', Proc ACM SIGMOD Int. Conf. on Management of Data, 1984 Spatial Relationships Distance to various pubs Topic Three Combination of all...

Ngày tải lên: 20/02/2014, 05:21

Ngày tải lên: 30/03/2014, 22:20

Ngày tải lên: 16/04/2014, 11:16

... [ Team LiB ] 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 ... handler and a single method: Button.Click Allows the user to specify the filename for the new Access database and then calls the CreateAccessDatabase( ) method in the sample to create the database. ... the database. CreateAccessDatabase( ) This method uses ADOX through COM interop to create the new Access database having the specified filename. The C# code is shown in Example 10-6 . Example...

Ngày tải lên: 24/12/2013, 05:15

... University [Appleton] – Help principals and counselors make a wide range of AP distance learning courses available to their students – coordinate fiscal transactions required to participate. ... This Inaccessibility Cycle Can Have "I just wanted to drop you a line to say that I find your AP project very interesting- I come "I just wanted to drop you a line to say that I find ... weren't capable of handling college level work, so AP was a bad idea! college level work, so AP was a bad idea! However, in the summer of 1991 I was fortunate enough to be able to attend a pilot...

Ngày tải lên: 15/01/2014, 15:59

... Table in the Database from a DataTable Schema Problem You need to create a table in a database from an existing DataTable schema. Solution Use the CreateTableFromSchema( ) method shown in this ... CreateTableFromSchema( ) in the sample code is called to create a table in the database from this schema. CreateTableFromSchema( ) This method creates a schema in the database for the schema of the DataTable ... dynamically constructs a Data Definition Language (DDL) statement to create a table in a SQL Server database from the schema of a DataTable. The complete statement that is generated is shown in...

Ngày tải lên: 21/01/2014, 11:20

Ngày tải lên: 24/10/2014, 15:10

Ngày tải lên: 24/10/2014, 15:10

... out. Tables store data within the database. Forms make it easy to put data into tables. Queries pull out specific data. Reports put data in an easily-read format. Table Query ... database elements Elements of databases A database stores information in an organized way, and makes it easy to get information in and ... button. DATABASE BASICS 13 Create tables 1. Double-click Create table by entering data. A blank table should open: DATABASE BASICS 28 Create forms 1. In the Objects...

Ngày tải lên: 18/10/2013, 14:15

... 1976. [STON83] Stonebraker, M. et. al., "Application of Abstract Data Types and Abstract Indices to CAD Data," Proc. Engineering Applications Stream of Database Week/83, San Jose, Ca., May 1983. [STON85] ... Access Method," Proc. 1980 ACM-SIGMOD Conference on Management of Data, Santa Monica, Ca., May 1980. [ASTR76] Astrahan, M. et. al., "System R: A Relational Approach to Data," ACM-TODS, June 1976. [BERN81] ... transactions, and the access method can freely read and write pages with a guarantee of atomicity and serializability. In this case the access method designer has no problems concerning transactions,...

Ngày tải lên: 22/10/2013, 10:15

... display an image from a database column in an ASP.NET control. Solution Fill an ASP.NET Image control from a database field by pointing the ImageUrl property of an Image control to a web page ... statement to retrieve the required image from the database and retrieve the image using a DataReader. A DataTable or DataSet filled using a DataAdapter can also be used. 3. Set the ContentType property ... following steps outline the required tasks: 1. Create a web page that outputs a binary stream containing the image from the database. 2. Create a SQL statement to retrieve the required image...

Ngày tải lên: 28/10/2013, 18:15

... within the data source, such as a row in a DataTable. The BindingContext class is used to instantiate a BindingManagerBase object and either a CurrencyManager or PropertyManager object is ... returned depending on the type of data source: ã The CurrencyManager class inherits from the BindingManagerBase class and maintains a pointer for the current item in a data source that implements ... ds; private SqlDataAdapter da; private BindingManagerBase bm; // . . . private void DisplayDatabaseImageForm_Load(object sender, System.EventArgs e) { // Create the DataSet. ds...

Ngày tải lên: 28/10/2013, 18:15

... Using a DataGrid Control to Access a Database In this section, you'll learn how to use a DataGrid control to access the rows in a database table. Follow these steps to create a DataGrid ... You'll learn the details on how to pull rows from the database into a DataSet in Chapter 10 , and how to push changes made in a DataSet to the database in Chapter 11. You can drag a table ... information stored in the database. A DataSet object can represent database structures such as tables, rows, and columns, among others. In this example, you'll use a DataSet object to store...

Ngày tải lên: 07/11/2013, 10:15

... Logical Standby Database ã Configure the database guard to control user access to tables. ã ALTER DATABASE GUARD command keywords: ALL: prevents users from making changes to any data in the database. – STANDBY: ... the database. – STANDBY: prevents users from making changes to any data maintained by Data Guard SQL Apply. NONE: normal security ã Query GUARD_STATUS column in V $DATABASE. ã Database guard level ... Logical Standby Database with Enterprise Manager Click “Add Standby Database. ” 7 Copyright â 2006, Oracle. All rights reserved. Creating a Logical Standby Database by Using Enterprise Manager ...

Ngày tải lên: 09/12/2013, 16:15

... programmatically to participate automatically in an existing transaction, to start a new transaction, or to not participate in a transaction. The following steps prepare a class to participate in ... they can participate in an automatic transaction. Once an object is marked to participate in a transaction, it will automatically execute within a transaction. The object's transactional ... transactions that span multiple remote databases and multiple resource managers. ã Objects participating in automatic transactions do not need to anticipate how they might be used within a...

Ngày tải lên: 24/12/2013, 05:15

... a DDL CREATE DATABASE statement to create a new database on a SQL Server. You can programmatically drop the database by using the DROP DATABASE statement in a similar way. To drop the database ... StringBuilder( ); // SQL DDL command text to create database. String sqlText = "CREATE DATABASE MyDatabase ON PRIMARY " + "(NAME = MyDatabase_Data, " + "FILENAME ... database created in the previous example, use the following code: DROP DATABASE MyDatabase The DROP DATABASE statement will fail if the database is in use; therefore, it might be necessary...

Ngày tải lên: 21/01/2014, 11:20

... following steps: ã learning about relational databases in general ã learning the tools and operations a particular DBMS provides ã learning a particular database schema ã learning a particular database This ... is a relational database? A database can be any collection of information, hopefully organized in some fash- ion that makes it easy to find a particular piece of information. Relational databases organize ... things, and get you started learning about relational databases in general, and Datascope in particular. Datascope was originally developed for seismic applications and the demo database has...

Ngày tải lên: 20/02/2014, 05:21

... underlying database of movie information is stored in XML format. When a new database is available, a Grammar Compiler component ex- tracts and normalizes the relevant fields from the database. ... versus lack of items in the database. This has to be balanced against degradation in accuracy resulting from in- creasing the vocabulary. In practice we found that users, while acknowl- edging ... and pen input, includ- ing both pointing and handwriting (Figure 1). Our application task also differs, focusing on search and browsing of a large database of movies-on- demand and supporting...

Ngày tải lên: 20/02/2014, 12:20