Illustrate the five SQL built-in functions
Illustrate the five SQL built-in functions.
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COUNT: calculates the num of lines in a table.
SUM: totals numeric columns.
AVG: calculates the average value in SQL.
MAX: receives the maximum value of a column in a table.
MIN: receives the minimum value of a column in a table.
When the collision and overlapping take place at same time, what will be the bucket size?
Describe the differences between an extranet and an intranet.
Illustrates the purposes of a key component in SQL Server Integration Services (SSIS)?
Name the methods that are available in storing sequential files?
Explain the following terms: Proactive, Retroactive and immediate Update.
What do you understand by the term Relationships in DBMS?
Explain the types of the Containers?
Explain the two in order to importing users & groups from the supervisor?
Specify the several types of Strategies?
Provide a brief introduction of the term ‘Data Mart’?
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