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Role as the database administrator
In your role as the database administrator for X-Tex, a small but successful company that designs and manufactures high tech fabrics, you have been asked to help optimize a query that will provide a dynamic view of your supply chain. You are to work with a developer who is tasked with integrating the data into a web portal to be used by the manufacturing operations team. The developer explains that he does not have much experience working with SQL Server 2012, but he seems keen to learn. Please provide the developer with a practical summary of design considerations that will help to ensure the query performs well.
Compute the customer margin for the Whiddon family. Round off all calculations to the nearest whole cent.
What type of entertainment events are the most popular? Has this always been the case or has there been a shift in recent years - Which area of venues used for organizing events is most popular in past 10 years?
Assume that the value of attribute Z of the last record in the relation is changed from z3 to z2. Now list all the functional dependenciesthat this relation instance satis?es.
Construct a diagram using Rationale to map the arguments about a moral claim that you have identified in the article/case study: Include all supporting and objecting claims.
Write down your subquery MAX_CALC_SAL. Name columns in result JOB_TITLE and JOB_TOTAL, and sort result on JOB_TOTAL in descending order.
Design a program that displays a table of the contigrade temperatures 0 through 20 and their Fahenheit equivalents. The formula for converting a temperature from centigrade to Fahrenheit is.
Explain the benefits and current trends of data warehousing and data mining and provide two (2) examples of quality companies successfully using a data warehouse to support your answer.
Determine the unit product cost of each of the company's two products under the traditional costing system
how can you drop a table from your database that has one or more other tables referencing it with foreign keys?no words
suppose a movie database in which data is recorded about the movie industry. the data needs are summarized as follows
Create a decision table that describes the movement of inventory and draw a decision tree that describes the merchandise inventory management process.
1. code an oracle database trigger to enforce the constraint that an employee can never change his or her department.2.
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