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Queries:
Make a select query with a calculated field for age, to list only guests between 20 and 40 years of age! Make sure to enter a range of ages in your table so you have something to display.
Make a Parameter query that allows the user to choose which birth month to display. So when the user is prompted for a birth month, they might type in 3, for March, and only the records which have a Date of Birth in March, will display.
Make an Update Query that will add the phrase "Free Champagne for this Preferred Guest" to the Comments field, but only if the guest stays for 8 days or more.
Carry out the following tasks below by using the correct SQL statements. Create the statements in Oracle by using the following steps (SQL > SQL commands > Enter Command). Determine the columns that make up the primary key of the l_lunch_items tabl..
To what kind of list would you change it? What would you require to change about content in order for new list type to be effective for purpose of list?
Illustrate relational algebra expressions for names of all salespeople, names of all salespeople having ORDER row and names of salespeople not having ORDER row.
Assume you were a newly hired IT Security Manager at a software development company that in the past hasn't paid much attention to security, especially in its database development processes.
Describe a DBMS and its functions. Name some of the popular DBMS software and you should search the Internet for the updated DBMS technology.
How does Oracle process this query? That is, what does Explain Plan tell you about how the query is processed - how would you recognize that the results were not correct?
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.
Develop a view named OrdTot. It comprises the order number and order total for each order presently on file. (Order total is sum of the number ordered multiplied by quoted price.
question 1there are six major types of information systems which organisations use in their operations. discuss how
Perform a Payback Analysis for given project - Draw a decision table that shows all possible rules for the above scenario.
The small publishing company you work for wants to create a new database for storing information about all of its author contracts. What factors will influence how you design the database?
Create a database diagram with the entities and attributes that the scenario identified (i.e., a college tracking students, courses, and instructors).
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