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What are the different integrity constraints in RDBMS?
The various integrity constraints in RDBMS are as:
Primary Key: primary key is a grouping of one or more attributes whose unique value locates each row in the table.
Referential integrity (A foreign key): A foreign key is attributing of one table which references to attribute in another table.
Report writing help on database mgmt Project Description: Use of Harvard referencing, critical analysis is required. Skills required: Academic Writing, Technical Writin
In a relational model how relations are termed? In a relational model, relations are termed as tables. (The term ‘relation’ is the technical name of the ‘table’ in RDBMS)
how to data store?
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
At its most essential level the DBMS architecture can be divide into two parts: the back end and the front end. The back end is responsible for managing the physical database an
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Explain Authorization and Integrity Manager ? Authorization and Integrity Manager: Tests for the satisfaction of integrity constraints and checks the authority of users to acce
Australian Bureau of Statistics (ABS) provides retail data for different groups and different states as well as the aggregate numbers. Table 11 " Retail Turnover, State by Industry
what do you mean by primary key constraint?
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