Reference no: EM132902645
Identify techniques to help with query writing
What is a subquery?What is a Join?
Identify times when subqueries and joins are appropriate.
What are the different types of joins? Be able to explain each and how to do them
What is a natural join?
What is a self-join?
What does EXISTS do in a sql statement?
What is a data warehouse? What are the four key factors that make it a data warehouse?
What is the difference between an operational system and an informational system?
Be able to draw, explain, and identify a star schema and the components
What is a departmental data warehouse referred to?
What are the goals of data mining?
How does RFID integrate with data warehouses?
What is ETL? Describe each step and some detail about each step
What are the characteristics of quality data? Why is this so important
What are data transformations?
What is the difference between static and incremental extracts?
What is TQM?
Explain data scrubbing and you would do data scrubbing
What is an issue with external data sources?
What is a data quality audit? What are some of the tasks associated with it?
What is data propagation?
What is NOSQL? What are some of the focuses?
What are the five V's of big data? Explain each.
What are the different kinds of stores? Describe each of them.
What are the three levels of analytics? What do you do in each of them?
What are some of the core roles of a database administrator?
What are core roles for a data administrator?
What are factors to consider when choosing an open source DBMS?
What are things to consider when establishing a data security plan?
What is the cause of most security outages?
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Identify techniques to help with query writing
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