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What are the advantages and disadvantages of network database model?
Network Database model was designed to solve some of Hierarchical Database Model. Specifically this solves the problem of data redundancy by representing relationships in terms of sets.ADVANTAGESOrganization: Information is grouped into entities/records and each entity has attributes, which correspond to column headings.Very efficient in retrievalConceptually simple and easy to designCan handle the diverse sort of relationships (one-to-many and many-to-many relationships)Clear line of demarcation between programs and the complex physical storage details. Application programs work independently of the data.DISADVANTAGESAll the records have to maintain using pointers thus the database structure becomes more complex. Network model large number of pointers is required to insertion, deletion and updating.
What is a good contact management database?
Contact management database programs can be found on the internet. Some of the good programs are Sales Force, Oncontact, Sage Act, Prophit, AlMcrm, and Relenta.
What is the purpose of a predictive dialer system?
A predictive dialer is used to save time between phone calls for agents. It uses a formula to work out what numbers to dial from a data source, taking into account that some numbers will not be answered.
Why is the telephone number stored as text on an access database?
Some telephone numbers starts with number 0 (zero) or the country code with + marks (If you type the full number properly). For instance a number like 0094111234567 or +94111234567. If this number is stored under the "Number" data type, two things can happen. 1. Default "Number" field does not support this size of data. You have to change the Filed Size to "Double" in order to accommodate this telephone number. 2. Zero (0) in the front will get removed automatically! So To prevent these issues you can use the data type as "Text" Hope this Helps!
What is the difference between mobile Facebook and Facebook?
Mobile facebook is a subdomain of facebook. Mobile facebook is simplified in the interface, as well as reduced in size, to allow for easy use and fast loading on mobile devices (Where an internet connection is not as fast as a computer.). Facebook has many different subdomains... Facebook has signed contracts with some mobile providers to allow free access to facebook on cellphone browsers. Offsite links and photo access, as well as a few other features, however, are not free.
How does ms access database save the data after inserting data into the table?
i want to get some logical arguments about to save the data after inserting data into the table in the ms access i want to get some logical arguments about to save the data after inserting data into the table in the ms access
What is the definition of database clustering?
Database is defines as a collection related records/data. When the data in the database is grouped based on some classification it is called database clustering.
A row of data in a database is called?
In database the data is stored in the form of a table. A table can be seen as some number of rows and columns. And the row of the database table is called a record .
Contrast of database and database system?
A database is simply a collection of pieces of information (data). A text file storing names and phone numbers is a database. A database management system (DBMS) is some software that manages the data within the database such as MySQL. Both the software and the database are considered together when thinking of a DBMS.
How do you export data from a Dos ver 5 database to Excel?
A good way is to export from a database is to save as CSV format (or some sort of comma-delimited text format), then open Excel and import the file into Excel.
What is the difference between data model and database model?
A database is a collection of tables that is used for some purpose (typically an application of some sort). A database model is a description of that database, and describes how the tables relate to each other. Typically, a model is designed first, then the actual database is implemented using the model as a blueprint.
Can data redundancy be completely eliminated when database approach is used?
Database is collection of some inter related records . And yes, data redundancy be completely eliminated when database approach is used.
What four main types of action are involved in database briefly discuss each?
Defining a database involves specifying the data types, structures, and constraints for the data to be stored in the database. Constructing the database is the process of storing the data itself on some storage medium that is controlled by the DBMS. Manipulating a database includes such functions as querying the database to retrieve specific data, updating the database to reflect changes in the miniworld, and generating reports from the data. Sharing a database allows multiple users and programs to access the database concurrently.
The meaning of a computer database?
Meaning of database is like some data that has been saved to a computer in some maybe documents
What is database environment?
The database environment refers to the components inside a database. Some of these include hardware, software, data, as well as the procedures.
Why database security is necessary?
A database have information or data that are related to each other. The data in the database of an organization may have some confidential information. So to maintain the confidentiality of data , security must be implemented.
What is another word for database?
The word database is a noun that means a collection of data. Some words that are synonyms for database are directory, index, and table.
