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What is Asterisk in SQL?
Asterisk (*): In SQL, the columns for all the tables and views in the FROM clause will be displayed.
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
Atomicity: It describes a transaction to be a one unit of processing. We can also say either a transaction will be finished completely or not at all. In the transaction example 1
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
Consider the following database containing five transactions. Let min_sup = 60%. Mine all frequent itemsets using Apriori and FP-growth algorithm. Compare the efficiency of the t
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
Where does view definition stored? A view definition is permanently stored as part of the database.
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
What are two special events? The two special events are as "entry" and "exit". Any action which is marked as linked to entry event is executed whenever given state is entered v
Explain in details about the f unctions of DBA ?
Before we talk about the relational model in more detail, let us first define some very basic terms used in this model. Tuple Every row in a table shows a record and is cal
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