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Give the general form of SQL query?
Select A1, A2............., An
From R1, R2..............., Rm
Where P
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
Databases and data warehouses both are databases and both contains number of rows and columns of tables containing data. Data warehouse is really different from databases because d
Database systems have many opposite efforts ?
using the invoice table shown below,write the relational schema,draw a dependencies,inclunding all partial and transitive dependencies.assume that the table does not contain repeat
What is Normalization? Database normalization is a data design and organization method applied to data structures based on rules that help building relational databases. In rel
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What are the Requirements of algorithm designer Algorithm designer should: i) Select proper algorithm so as to minimize implementation cost ii) Find most appropriate d
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
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