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Counting Records In A Database Table
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Counting Records In A Database Table
http://www.dotnetindex.com/read.asp?articleID=51
First we must send an SQL statement to database engine. Count of records will be first value of resultset.
ASP > Tips and Tutorials > Database-related
Oct 10, 2006
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Other links at ASP > Tips and Tutorials > Database-related
But why? I read Part I and I was able to implement a simple database program very easily. Why would I need to learn anything more?
You might have implemented some database program.. but I am sure it would be a very simple one. You may even be able to implement a good database program without Joins. But you wouldn't be using the features of SQL that let you do the same work much easily. Without Joins, you may manage SQL.. but with Joins you could do things very easily
You might have implemented some database program.. but I am sure it would be a very simple one. You may even be able to implement a good database program without Joins. But you wouldn't be using the features of SQL that let you do the same work much easily. Without Joins, you may manage SQL.. but with Joins you could do things very easily
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source code can compact and repair your MS-Access database files. If you compact your access files regularly, it will work more faster and secure. Also you will save some hard disk space.
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DSN Connections
In my earlier article on Accessing the database from ASP I explained connecting to database via DSN in a step by step mannner. So there is no need to repeat that again, you can see it from there.
DSN stands for 'Data Source Name'. It is an easy way to assign useful and easily rememberable names to data sources which may not be limited to databases alone e.g Excel spread sheet etc.
I will now skip the steps of creating and assigning DSN to a database, you can see them by clicking here. Once you are done creating a DSN for your data source ( database lets say ), you can connect to it using following code
In my earlier article on Accessing the database from ASP I explained connecting to database via DSN in a step by step mannner. So there is no need to repeat that again, you can see it from there.
DSN stands for 'Data Source Name'. It is an easy way to assign useful and easily rememberable names to data sources which may not be limited to databases alone e.g Excel spread sheet etc.
I will now skip the steps of creating and assigning DSN to a database, you can see them by clicking here. Once you are done creating a DSN for your data source ( database lets say ), you can connect to it using following code
Category:
Providing search capabilities to a db enables users to query on whichever element you target them to. However allowing users to target which portion of the db they would like to query gives extra value. In this example, utilizing our db of US States (state, statename, and capital) the user can search in any of three fields (by dropdown menu input) rather than the application targeting one specific table element. Note: The db only has 50 observations in it, so it is better to search on single or double letter combinations.
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This article covers two advanced ADO topics: creating hierarchical Recordsets (via data shaping) and creating custom Recordsets. Specifically, this article looks at how to create custom hierarchical Recordsets. Therefore, it is essential that the reader have a fluid understanding of both data shaping and custom Recordsets, topics that this article doesn't aim at teaching. To learn about these topics, be sure to read the following articles
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