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What are domain constraints?
A domain is a set of values that might be assigned to an attribute .all values that appear in a column of a relation must be taken from the similar domain
Project Description: Hi I'm seeking someone to make my dBase application work. I know it's not a 'modern' language but it's what I know. I have written an order program and I ne
What is known as heap file organization? In the heap file organization, any record can be placed anywhere in the file where there is space for the record. There is no ordering
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
Identify the need and use of data control through problem solving, illustration
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
What are metrics for choosing the best algorithm? Matrices for choosing the best algorithms are as below: Computational complexity Ease of understand ability and im
What is trigger? Triggers are statements that are executed automatically by the system as the side effect of a modification to the database.
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
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