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.
Explain about the Data Storage Definition Language?
Identify those statements are true about a foreign key?
Briefly describe the foreign key columns in dimension table and fact table?
Write down the snapshot with reference to data warehouse?
Write down brief note on the differentiation between dynamic cache and static cache?
Explain the term DataStage and Informatica?
Elucidate how many ways you make ports?
Write a brief note on the difference between data and database administration?
Explain what is meant by the repository and what does it consists of?
Write about the orabulk and bcp stages?
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