Strategies for improving the performance of sql queries

Assignment Help PL-SQL Programming
Reference no: EM13694471

Question: This is about solutions and strategies for improving the performance of SQL queries.

Using the online Library or the Internet, research the subsequent:
• SQL performance tuning
• Programming with SQL
Based on your research and understanding, complete the subsequent tasks:

Question 1: Evaluate the given statement and discuss some approaches to address the issue: "We spent several million dollars a few years ago to create a database for managing our business. In the past several months, we acquired a new business but its data does not fit in our current system. What can we do to solve this problem?"

Question 2: Discuss some possible solutions and strategies for improving the performance of SQL queries and their ability to provide data to users:

Question 3: Identify the performance or usability issues that need to be addressed.

Question 4: Outline a possible solution for each issue. Use supporting examples, if necessary.

Question 5: Briefly describe how you would implement your solutions.

Question 6: Discuss how cardinality affects database design? Provide an example to support your answer.

Question 7: Discuss the importance of triggers and some risks associated with their use.

Question 8: In your opinion, state when using triggers makes the most sense. Why? When should you not use them? Why?

Describe each and every question in depth with examples.

Reference no: EM13694471

Questions Cloud

Draw a diagram of how the stacks might look : Two stacks of positive integers are needed, both containing integers with values less than or equal to 1000. One stack contains even integers; the other contains odd integers.
Determine the successor to the throne of france : Define the predicate Successor(Year) giving the solution as the first successor to the crown for the year specified.
Write an expression whose value is a string : Assume that word is a variable of type string that has been assigned a value. Write an expression whose value is a string consisting of the last three characters of the value word. So if if the value if word were "biggest" the expression's value w..
Store a list of items on a grocery list : write a program that uses a string array to store a list of items on a grocery list. The program should allow the user (via a menu) to add an item to the list, clear the list, and display the list.
Strategies for improving the performance of sql queries : Discuss some possible solutions and strategies for improving the performance of SQL queries and their ability to provide data to users and identify the performance or usability issues that need to be addressed.
Statements for the subsequent queries of the database : Write the statements for the subsequent queries of the database - Find Beth' s home state.
Write an expression those results in a string consisting : Write an expression those results in a string consisting of the third through tenth characters of the strings. Make this program using java programming.
Write an expression that concatenates the string variable : Write an expression that concatenates the string variable suffix onto the end of the string variable prefix.
Value of the expression would be the string : Given a string variable word, write a string expression that parenthesizes the value of word. So if the word contains "sadly" the value of the expression would be the string "(sadly)".

Reviews

Write a Review

PL-SQL Programming Questions & Answers

  Create a database model

Create a database model and Submit the table creation statements for the Database Model.

  Write pl-sql procedures and functions

Write PL/SQL procedures and functions to populate and query that database

  Sql questions

Write a query to display using the employees table the EMPLOYEE_ID, FIRST_NAME, LAST_NAME and HIRE_DATE of every employee who was hired after to 1 January, 1995.

  Run the lab_03_01.sql script

Run the lab_03_01.sql script in the attached file to create the SAL_HISTORY table. Display the structure of the SAL_HISTORY table.

  Write sql queries

Write a query to display the last name, department number, and salary of any employee whose department number and salary both match the department number and salary of any employee who earns a commission.

  Explaining sql insert statement to insert new row in cds

Write down a SQL insert statement to insert new row in "CDS" table.

  Write down name of actors in ascending order

Write down actors (or actress, your choice, but not both) who have won at least two (2) Academy Awards for best actor/actress. Provide the actor name, movie title & year. Order the result by actor name."

  What is an sql injection attack

What is an SQL injection attack? Explain how it works, and what precautions must be taken to prevent SQL injection attacks.What are two advantages of encrypting data stored in the database?

  Determine resonant frequency in series rlc resonant circuit

Given the series RLC resonant circuit in the figure, operating at variable frequency, determine: The resonant frequency ω o ,  The circuit’s quality factor Q , The cut-off frequencies, f 1  & f 2  and the bandwidth BW

  Query that uses cube operator to return lineitemsum

Write summary query which uses CUBE operator to return LineItemSum (which is the sum of InvoiceLineItemAmount) group by Account(an alias for AccountDesciption).

  Query to show customers were missing for existing orders

As DBA, your manager called a meeting and asked why there are so many orders for customers that don't exist in the customer table. Write query which would shows which customers were missing for existing orders. Use a join or a subquery.

  Sql query into a relational algebra statement

Turn this SQL query into a relational algebra statement? SELECT Request.reqfor, Ordering.invamt, Ordering.invnbr, Ordering.invdat

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd