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1) Where can sub queries be placed in a SQL select statement ?
2) What tables are good candidates for indexes and what type of indexes would you place on those tables?
3) What type of data model is used in data marts to improve performance?
Write SQL statements that do the following: Calculate the average salary for all employees. Calculate the maximum salaries for exempt and non-exempt employees.
Discuss with your team how the bookstores use the Internet and if they use collaboration technology. The use of databases and data communication technologies
Create an XY plot of ECG vs. time, and place the plot on the Plots worksheet. Give the plot an appropriate title and labels for axes, and adjust various parameters of the plot to make it look pleasing and professional. Resize it to approximately..
Explain these situations. When would the database be more beneficial than sequential file? Is it possible for two kinds of permanent storage to be used interchangeably?
To what extent should end users be involved in the selection of a database management system and database design
Create an Entity-Relationship (E-R) Diagram relating the tables of your database schema through the use of graphical tools in Microsoft Visio or an open source alternative such as Dia
A tiny college wants to keep track of the history of all administrative appointments (date of appointment and date of termination) (hint: time variant data are at work)
Discuss security threats as it relate to the Operating Systems and Memory Management. Consider a fixed partitioning scheme with equal-size partitions of 2 16 bytes and a total main memory size of 2^24 bytes. A process table is maintained that inc..
Describe how you have represented weak entities, if any exist and describe how you have represented super type and subtype entities, if any exist.
Create a link list in ADT c to maintain employee information like name,empid,basic salary and address.1.add employee info to the list if the empid is valid.
Universal Bank is a young bank growing rapidly in overall customer acquisition. The majority of these customers are depositors with varying sizes of relationship with the bank. The customer base of borrowers is quite small, and the bank is interes..
Design a suitable database system with a suitable web based front end, which should include the following details :The web based interface should hab=ve necessary forms and fields to update student attendence,marks ,faculty profile,faculty workshops ..
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