Topic: DBMs Types
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What are the types of attributes in dbms?
Types of Attributes in Dbms are Key or non key attributes Required or optional Attributes Simple or composite Attributes Single-valued and multi-valued Attributes Stored, Coded or derived Attributes Read More »
Source: http://wiki.answers.com/Q/What_are_the_types_of_attributes_in_dbm...
What are the types of DBMS?
RDBMS,network,hirasrchy etc Read More »
Source: http://wiki.answers.com/Q/Types_of_logical_DBMS
What are some of DBMS Types?
The train schedule system and reservation process is a kind of DBMS. Read More »
Source: http://wiki.answers.com/Q/What_are_some_of_DBMS_Types
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DBMs Types
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Tables that have redundant data have problems known as anomalies.So data redundancy is a cause of an anomaly. Redundancy is the duplicaion of the data. There are 3 types of anomalies. Insert Anomaly:When you insert a record without having i...
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Source: http://wiki.answers.com/Q/What_are_anomalies_in_DBMS_and_their_ty...
A foreign key is a type of constraint. In this example the value in a field must be the same as some value in a defined field in another table. Example in a Customer Table you might have a Column (field) named StatusID You would define a fo...
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Source: http://wiki.answers.com/Q/What_is_mean_by_type_constraint_in_DBMS
primary key :- The attribute or combination of attributes that uniquely identifies a row or record. Foreign Key:- an attribute or combination of attribute in a table whose value match a primary key in another table. Composite key:- A primar...
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Source: http://wiki.answers.com/Q/Types_of_tables_and_keys
Heap file organization Sequential File Organization Hashing File organization
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Source: http://wiki.answers.com/Q/What_are_Different_types_of_file_organi...
In DBMS there is three type of functional dependency 1 FULL FUNCTION DEPENDENCY. 2 PARTIALLY FUNCTION DEPENDENCY. 3 TRACIENT FUNCTION DEPENDENCY. Functional Dependency can be classified as follows: Full Functional dependency Indicates that ...
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Source: http://wiki.answers.com/Q/How_many_types_of_functional_dependenci...
A database can be a set of flat files stored on computer tape or disk or it could consist of database tables that are managed by a Database Management System (DBMS). There are different types of DBMS products: relational, network and hierar...
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Source: http://answers.yahoo.com/question/index?qid=20100203065323AAzMN5i
