I have a client who has a very intensive application that runs on a Windows Server 2003 machine. The application uses SQL Server 2005 and the database size is about 1GB.
The problem is, this application takes up all available memory (about 3 GB) and CPU usage goes over 100% for most of the time. I'm not sure if it's because the application is using too much RAM or what.
What would be the best way to monitor the performance of this application so we can find out why it's taking up so much resources?
You could use PerfMon to see how your system is performing in real-time. You'll want to look at Memory Usage, Processor Time, Disk Reads/Writes, etc.
You can also use Process Explorer to get more detailed information about which processes are consuming the most resources.
There are following types of users: § Database Administrators § Security Officers § Network Administrators § Application Developers § Application Administrators § Database Users
When an application queries a database on a corporate network, it typically uses the SQL (Structured Query Language) protocol, which is standard for managing and querying relational databases. The communication between the application and the database server is often facilitated through a database connectivity protocol such as ODBC (Open Database Connectivity) or JDBC (Java Database Connectivity). These protocols enable the application to execute queries and retrieve data efficiently from the database.
• LDAP (Lightweight Directory Access Protocol)
what is the architecture of database network
We know a database is one that stores data related to each other. A network database is just like network database only difference between them is, in network database records are connected by means of a link.
Oracle Technology Network provides its customers with application, database, and networking services. They offer technology, business, and industry solutions.
A distributed database is a database in which portions of the database are stored on multiple computers within a network. Users have access to the portion of the database at their location so that they can access the data relevant to their tasks without interfering with the work of others. A centralized distributed database management system manages the database as if it were all stored on the same computer.
A dedicated server is a computer set aside for a specific task, such as hosting a resource-intensive application or website. Dedicated servers can take several forms. With a dedicated server, the server is a computer that is reserved explicitly on a network for your application or website. For many web hosting companies, the standard type of hosting, or at least the lowest priced option, is in the form of cloud hosting. When your company chooses a public cloud provider, your application and website may reside on one or many computers and utilize cloud computing.
database software is a network of data
network database tree database rdbms
Every thing means Database, application and presentation (user interface) are at same place.The application doesn't require Network connection to work.It is easy to install on any pc and start using it.
ADVANTAGESProvide very efficient "High-speed" retrievalSimplicityThe network model is conceptually simple and easy to design.Ability to handle more relationship typesThe network model can handle the one-to-many and many-to-many relationships.Ease of data accessIn the network database terminology, a relationship is a set. Each set comprises of two types of records.- an owner record and a member record, In a network model an application can access an owner record and all the member records within a set.Data IntegrityIn a network model, no member can exist without an owner. A user must therefore first define the owner record and then the member record. This ensures the integrity.Data IndependenceThe network model draws a clear line of demarcation between programs and the complex physical storage details. The application programs work independently of the data. Any changes made in the data characteristics do not affect the application program.DISADVANTAGESSystem complexityIn a network model, data are accessed one record at a time. This males it essential for the database designers, administrators, and programmers to be familiar with the internal data structures to gain access to the data. Therefore, a user friendly database management system cannot be created using the network modelLack of Structural independence.Making structural modifications to the database is very difficult in the network database model as the data access method is navigational. Any changes made to the database structure require the application programs to be modified before they can access data. Though the network model achieves data independence, it still fails to achieve structural independence.Read more: The_advantages_and_disadvantages_of_database_network_model