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Developed a database with 10 clients, 3 sales, and 10 contacts. I am having trouble with
Part 1: making a query to produce all clients for one of the sales that are assigned to multiple clients.
Part 2: Produce a full client list by each sales person.
Part 3: Add contact summary to one client then odify, then delete.
How would your answers to the two questions change, if at all, if your system did not support indexes with multiple-attribute search keys?
database systems1. list the acid properties. explain the usefulness of each.2. consider the following two transactions
Draw the corresponding GRD, exhibiting all the primary keys and foreign keys. For simplicity, no other attributes nor multiplicity constraints are required.
Create a function that returns the day of the week for a specified date. Create a trigger that displays the message "Emp table updated" when an update to the employee table increases the employee's basic salary.
The customer is always right -The customer doesn't know what's best. It's the baker's (marketer's) job to educate him. The above statements succinctly point out a subtle battle which rages within the marketing discipline.
You are creating a database of measured meteorological data for use in weather and climate research. Explain a structure type measured_data_t with components site_id_num.
Imagine that you work for a finance industry-based organization. Your organization is looking to submit its database design documentation to an evaluation team in order to meet Sarbanes-Oxley (SOX) compliance
1. what a query execution plan?2. discuss the reasons for converting sql queries into relational algebra queries before
part 1 - reportwrite a 2000-word report that describes a suitable methodology from the literature for the purpose of
The chief financial officer (CFO) of NCWR keeps a huge number of reports, spreadsheets, and other critical financial information on his computer, which runs Windows 7
Write the procedure named Get_frequencies which constructs character frequency table. Input to procedure must be a pointer to the string, and pointer to array of 256 doublewords.
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