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Add close time from most recent closed ticket to current ticket. Your query must display all of data in Issues table, and new field called "Last Close" To do this, show all data in each row, and write code to go back to Issues table and find close date for last ticket that consultant completed before this one. Write all the fields in issue table, plus this new field, called "Last Close". Sort ascending by consultant ID and Date Opened. Don't show tickets with category ID of 0. HINT: You will require to use SELECT query with an alias in builder for the column.
Write SQL statements that do the following: Calculate the average salary for all employees. Calculate the maximum salaries for exempt and non-exempt employees.
determine the functional dependencies that exist in the following table. After determining the functional dependencies, convert this table to an equivalent collection of tables.
Determine airports with late flights to Toronto on a big plane. "Late" means departing after 9:00pm; "big" means with capacity 150 passengers or more
List the different entities or objects, logical processes, data flows, and data stores that are involved, starting from the time you submitted your time sheet.
Customers Dunne an Olowski are included in the CUSTOMER table also in CUSTOMER_2 table. Explain How many records are returned when using the MINUS operator?
Which field or fields cause a table to no longer be in third normal form? In which normal form is denormalized table?
Create and run the following sql queries and submit the screen shot of your result. Also submit the file lab_06_03. sql
Create a database design specification Enhanced Entity Relationship Diagram (EERD) and Relational Data Model from the given business description - Database Management System
A database is to be created for University to monitor students' progress throughout their course of study. Students are reading for degree (such as BTech, BTech(Hons) MCA, etc) within framework of modular system.
Draw the E/R diagrams for the business rules
Write a command to list all the employees hired in 2003 and 2004. Sort the rows by the hire_date column in descending order.
What is the order P of the B+-tree if B+-tree access structure on the key is constructed? What is the number of leaf-level blocks needed if blocks are approximately 69% full (round up for convenience)?
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