Maximum Discount Product Sql Hackerrank

Operators perform mathematic operations on two or more columns, […]. Today I'll show you the most essential SQL functions that you will use for finding the maximums or the minimums (MAX, MIN) in a data set and to calculate aggregates (SUM, AVG, COUNT). get the number of orders per customer. Given N numbers, for each index find the greatest index less than the current and the smallest index greater than current, such that the current value is less than the chosen index and maximise the product of the chosen indices. Click to see solution. The SQL GROUP BY Clause is used to output a row across specified column values. Use Oracle Machine Learning to display different charts and different looks for your SQL queries. #N#vote 1 vote 2 vote 3 vote 4 vote 5. If the product count. Members on Rows, [Products]. I created almost all solutions in 4 programming languages - Scala, Javascript, Java and Ruby. Extended Application and Data Server For a range of 0-100 concurrent SMP users and 0-50 concurrent Metasys UI users. HackerRank is a Y Combinator-backed company, and was the first Indian company accepted into Y Combinator. ie Hacker Rank solution for 30 Days Of Code, HackerRank Algorithms. The action can be anything from creating a table, deleting data or retrieving data from your tables. However, some tests failed because of your program running time exceeding a timeout. Microsoft SQL Server is one of the famous relational database management system (RDBMS) of modern era, This course is designed for those students who want to learn the basics of database as well as to improve their SQL Query writing skills instantly. Save money with Azure SQL Database by committing to a reservation for compute resources compared to pay-as-you-go prices. The quiz questions are shown below and also at PL/SQL Challenge (plsqlchallenge. Table of contents. In the second case: The subarray is the subarray with the maximum sum, and is the subsequence with the maximum sum. The AVG () function returns the average value of a numeric column. Solutions to SQL problems on hackerrank. Note on SQL Server: For SQL Server customers with core-based licensing and Software Assurance coverage, broader benefits are available under Azure. Apply a 10% discount to all products with a price larger than or equal to $120. If there is a tie for the value of column 1, we then sort in ascending order by column 2. See the complete profile on LinkedIn and discover David's. The security group your database is placed in is configured to allow connection only from the device from which you created the. You can use the COUNT function in the SELECT statement to get the number of employees, the number of employees in each department, the number of employees who hold a specific job, etc. With Azure SQL Database reserved capacity, you make a commitment for SQL Database use for a period of one or three years to get a significant discount on the compute costs. With the help of Capterra, learn about HackerRank, its features, pricing information, popular comparisons to other Pre-employment Testing products and more. Sample table: item_mast. Welcome to our free SQL tutorial. 75 After 5%discount = 2. March 16, In the SQL Server, the OVER clause can be used to calculate running totals. A subquery is a SELECT statement nested inside a SELECT, SELECT…INTO, INSERT…INTO, DELETE, or UPDATE statement or inside another subquery. (OrderItems. ",hackerrank 30 days of code solutions in c, day 0 hello world. The ALL modifier instructs the MAX function to find the maximum value in all values including duplicates. What is Name Resolution?. This does not cover Windows 7 or Office 2010. On the other hand, MySQL doesn't have the Standard SQL windowing, ranking functions that make calculating running sums, counts and ranking easy. SELECT customer_id, COUNT(DISTINCT ord_no), MAX(purch_amt) FROM orders GROUP BY customer_id ORDER BY 2 DESC; Output of the Query: customer_id count max 3002 3 5760. Maximum storage across all items per (logical) partition key. Input: arrl [] = {1, 2, 9, 5, 5} exit [] = {4, 5, 12, 9, 12} First guest in array arrives at 1 and leaves at 4, second guest arrives at 2. They can be found here. Whether you are a fast growing web property, technology ISV or large enterprise, MySQL can cost-effectively help you deliver high performance, scalable database applications. Along with 16+ years of hands-on experience he holds a Masters of Science degree and a number of database certifications. 45 3003 1 75. The DISTINCT modifier is only for ISO compatibility. I found this page around 2014 and after then I exercise my brain for FUN. Here is a list of SQL queries that are really important for coding & optimization. Find the time at which there are maximum guests in the party. Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. One of the biggest obstacles to overcome when compiling a cloud services comparison is the different terminologies in use - especially when some terminologies have been accepted to mean the same thing, whereas they are not. Based on the above two tables write a SQL Query to get the name of the Department that has got the maximum number of Employees. USE AdventureWorks2008; -- Calculate percent sql - SQL Server calculate percentage - sql convert percent. Write a program to convert string to number without using Integer. 1, Windows Server 2012 R2, Windows Server 2012 R2 for Embedded Systems, Windows 7, Windows Server 2008 R2, Windows Vista, Windows Server 2008, Microsoft Office 2010, and Office 2013, you must use Volume Activation (VA). Write a SQL statement to find the highest purchase amount with their ID and order date, for only those customers who have a higher purchase amount in a day is within the list 2000, 3000, 5760 and 6000. Query 1 : List the employee whose employee number is 100. New Software. In the first two articles in this series on creating DAX formulae, Andy Brown of Wise Owl Training showed how to create calculated columns and measures. Verified 1 day ago. The COUNT () function returns the number of rows in a group. Most PL/SQL-based applications consist of hundreds of thousands of lines of code—and many likely run into the millions—that meet detailed, ever-changing user requirements. AND give 5% discount for that line item If an order contains 10 or more units of a given product. A cursor is a temporary work area created in system memory when a SQL statement is executed. To resolve this behavior, use one of the following methods: Click to clear the Override connection string time-out value for table designer updates check box for the table designer and for the database designer in SQL Server Management Studio. Along with 16+ years of hands-on experience he holds a Masters of Science degree and a number of database certifications. The world is moving to the cloud and various post-monolithic SQL databases are emerging. March 16, In the SQL Server, the OVER clause can be used to calculate running totals. Here you can get more saving during online shopping. Applies to: Access 2013, Office 2013. These files are updated every Sunday. In addition, SQL Server can calculate SUM, COUNT, AVG, etc. The key-logic is, if the larger index(say j) has smaller prefix_sum than any smaller index (say i), then that sub-array (from i to j) can be a co. You can also find a solution for others domain and Sub-domain. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. WRAP Function; B How PL/SQL Resolves Identifier Names. He has authored 12 SQL Server database books, 32 Pluralsight courses and has written over 5000 articles on the database technology on his blog at a https://blog. Simple pricing metrics. A subquery is a SELECT statement nested inside a SELECT, SELECT…INTO, INSERT…INTO, DELETE, or UPDATE statement or inside another subquery. get the number of orders per customer. Subtract the post-sale price from the pre-sale price (In C1, input =A1-B1) and label it "discount amount". 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Maximum storage across all items per (logical) partition key. We've been hosting ASP. We want a list of all products that are more expensive than $1000. The CASE statement cannot have an ELSE NULL clause, and it is terminated with END CASE instead of END. Our online SQL server trivia quizzes can be adapted to suit your requirements for taking some of the top SQL server quizzes. 1-4: MCQ question, 5-8: coding exercise, total: 60 minutes HackerRank. Hackerrank Solutions. When is the End of Support for SQL Server and Windows Server 2008 and 2008 R2?. Select Discount %. hackerrank java solutions problems. Select Discount %. For example, you could use the DMin and DMax functions in calculated controls on a report to display the smallest and largest order. New pull request. com THE WORLD'S LARGEST WEB DEVELOPER SITE. EasyMax Score: 10Success Rate: 99. I created almost all solutions in 4 programming languages - Scala, Javascript, Java and Ruby. David has 8 jobs listed on their profile. The overall product is good. You can use the DMin and DMax functions to determine the minimum and maximum values in a specified set of records (a domain). For example, the get the second-most expensive product from the products table. My solutions under Python domain from HackerRank. Then, in the Discount % value field, type the percentage of the discount. The page is a good start for people to solve these problems as the time constraints are rather forgiving. Thanks for contributing an answer to Code Review Stack Exchange! Please be sure to answer the question. The Product Code assigned to a device is based upon the medical device product classification designated under 21 CFR Parts 862-892. HackerRank lets you see other people's solutions so that you can compare your own to see if you answered the question correctly. A mix-and-match discount of 30 percent applies to these products. qty * Inventory. $50, $100, or $150. Business logic is implemented primarily in procedures and functions, but PL/SQL developers need to decide. The solution runs for some test cases but for few test cases it pops out showing "Terminated due to Time Out" where max denotes the. Pay close attention, though, if you’re using Sql Server 2012 or Sql Server 2014 you’ll have to make some small modifications to that code. Azure SQL Database is a fully managed relational database with built-in intelligence supporting self-driving features such as performance tuning and threat alerts. The page is a good start for people to solve these problems as the time constraints are rather forgiving. It is easy to select the highest or lowest record in the database table with the MAX or MIN function. If there is one language every data science professional should know - it is SQL. = counts the number of values in the column AVG(column) = gives the average value of the values in the column MAX(column) = gives the maximum value in the column MIN. 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APPENDIX SOLUTIONS TO THE EXERCISES 382 SELECT ProductID, Name FROM Production. I have most solutions in C++, but I will be trying to post them in Python. All usage is billed. Table of contents. Input: arrl [] = {1, 2, 9, 5, 5} exit [] = {4, 5, 12, 9, 12} First guest in array arrives at 1 and leaves at 4, second guest arrives at 2. 1,000,000 by default. CustomerID, FirstName, LastName, AddressLine1, City, StateProvince FROM SalesLT. Over the course of the next few (actually many) days, I will be posting the solutions to previous Hacker Rank challenges. Most candidates get 0 points: ran out of time, unable to answer, wrong algorithm, or incomplete/partial solutions (i. 1 Priority Mail Express International Flat Rate Envelopes maximum weight: 4 lbs. All the advantages of TFS with none of the maintenance. In the first two articles in this series on creating DAX formulae, Andy Brown of Wise Owl Training showed how to create calculated columns and measures. First of all as we have given an array 3 3 9 9 5, find the prefix_sum[i]%m. 65 3007 1 2400. SQL Server does, but can't handle date windows. For each node there can be four ways that the max path goes. Please Sign up or sign in to vote. Hackerrank Solutions. hackerrank, print hello, world. with Result as ( select dense_rank () over ( order by salary) as 'TopSalary' ,* from table name ) select * from Result where TopSalary between 1 and 5. Hackerrank is a site where you can test your programming skills and learn something new in many domains. New Software. Even with MySQL though, it's possible to write a far better query than this - Panagiotis Kanavos Sep 15 '17 at 9:26. Join over 8 million developers in solving code challenges on HackerRank, one of the best ways to prepare for programming interviews. For some reason it only gives me an output for the the items that 10 or more. Clone or download. Example 1: ORDER BY a single column using column name. One of the biggest obstacles to overcome when compiling a cloud services comparison is the different terminologies in use - especially when some terminologies have been accepted to mean the same thing, whereas they are not. 55% Solve Challenge. Write a query like the one in question 1 that displays the products with helmet in the name. --If an order contains five or more units of a given product, give a 2% discount for that line item. This tutorial is based on Webucator's Introduction to SQL Training course. SELECT customer_id, COUNT(DISTINCT ord_no), MAX(purch_amt) FROM orders GROUP BY customer_id ORDER BY 2 DESC; Output of the Query: customer_id count max 3002 3 5760. petshelpingpeople. The result's data type is at least as precise as the most precise data type used in expr. SELECT [Products]. Table Store_Information. qty * Inventory. Click to see solution. Short Problem Definition: Given a list of N integers, your task is to select K integers from the list such that its unfairness is minimized. HackerEarth is the largest network of top developers around the globe, helping them connect with other developers and discover the best job opportunities. hackerrank, print hello, world. It's all about choice. Hundreds of databases, millions of records. SQL AVG returns a calculated average result based on values in a table column. However, some tests failed because of your program running time exceeding a timeout. To resolve this behavior, use one of the following methods: Click to clear the Override connection string time-out value for table designer updates check box for the table designer and for the database designer in SQL Server Management Studio. Then write the SQL code that will add each employee. Find the sections that had the maximum enrollment in Fall 2017. Wrapping PL/SQL Code with wrap Utility. 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With Volume Licensing for products such as Windows 8. Operators perform mathematic operations on two or more columns, […]. Added by michellina55. Part 8 in this series, "Selecting a Type That Is Right for You" (Oracle Magazine, November/December 2012), introduced common SQL date functions and showed how your queries can use them to modify the appearance of date result set data. We've been hosting ASP. If there is more than one student with the same grade (1-10) assigned to them, order those particular students by their name alphabetically. Pricing for CPUs and memory depends on the region where your instance is located. parseInt() method. Introduced in SQL Server 2005, the common table expression (CTE) is a temporary named result set that you can reference within a SELECT, INSERT, UPDATE, or DELETE statement. Use Git or checkout with SVN using the web URL. The subquery uses this passed-in ProductID value to look up the max unit price for this product [ select max (UnitPrice) from order_details] When the max unit price for the product is found in the subquery, it's returned to the outer query. Click to see solution. Hackerrank is a site where you can test your programming skills and learn something new in many domains. For example, suppose you set up a Discount modifier line for the Item Category of shoes but you want to exclude designer shoes from the price adjustment. Use your physical print copy to redeem free access to the online interactive edition. $50, $100, or $150. New Software. Here user needs to use between. Creating a View: CREATE VIEW SalesLT. Azure SQL Database is a fully managed relational database with built-in intelligence supporting self-driving features such as performance tuning and threat alerts. Rate this: Let us look at a simple example in SQL. The Sales by Category query summarizes sales data ($ figures) for all products, sorted by category, using data from three tables (Products, Orders, and Order Details) and the Order Details Extended query (equivalent to a view). Find answers to commonly asked questions about end of support for SQL Server and Windows Server 2008 and 2008 R2. Distribution over all attempts, by all companies (log scale). on the first line, and the contents of input string on the second. For each category and color, what is the maximum list price of men's shoes in that category and color? Sort by Category. As you already know that this site does not contain only. Finally, if the grade is lower than 8. Home; SQL / MySQL; Finding Rows Containing Per-Group Minimum or Maximum Values: 25. WRAP Function; B How PL/SQL Resolves Identifier Names. A cursor contains information on a select statement and the row of data accessed by it. Add self-service BI on a per user basis. 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You are given 2 arrays: one representing the time people arrive at a door and other representing the direction they want to go(in or out) You have to find at what time each person will use the door provided no 2 people can use the door at the same time. function get_phone_number_f index customers_pk cust_account_manager_ix cust_email_ix cust_lname_ix cust_upper_name_ix inventory_ix inv_product_ix item_order_ix item_product_ix order_items_pk order_items_uk order_pk ord_customer_ix ord_order_date_ix ord_sales_rep_ix prd_desc_pk product_information_pk prod_name_ix prod_supplier_ix promo_id_pk. All usage is billed. Input: arrl [] = {1, 2, 9, 5, 5} exit [] = {4, 5, 12, 9, 12} First guest in array arrives at 1 and leaves at 4, second guest arrives at 2. I just attempted the Maximum Element Challenge on Hackerrank. The SUM () function returns the total sum of a numeric column. Take the Challenge! Each of my PL/SQL 101 articles offers a quiz to test your knowledge of the information provided in the article. Example: What would I need to type in to work out: 2. sqlauthority. We want a list of all products that are more expensive than $1000. For example, to find the 25% discount on a pair of $69. Save money with Azure SQL Database by committing to a reservation for compute resources compared to pay-as-you-go prices. One of the biggest obstacles to overcome when compiling a cloud services comparison is the different terminologies in use - especially when some terminologies have been accepted to mean the same thing, whereas they are not. Members on Rows, [Products]. Code Review Stack Exchange is a question and answer site for peer programmer code reviews. Input Format : The first line contains a single integer N denoting the size of the array. Hence why the solution is off but works. Part 11 in a series of articles on understanding and using PL/SQL By Steven Feuerstein. Time Spent. SQL Server does, but can't handle date windows. I have most solutions in C++, but I will be trying to post them in Python. This query uses the YEAR(column name) syntax to extract the year from the OrderDate field. ie Hacker Rank solution for 30 Days Of Code, HackerRank Algorithms. It differs primarily from an operator due to its syntax. Thanks for contributing an answer to Code Review Stack Exchange! Please be sure to answer the question. Thanks for the question, Munzer. 49 {\displaystyle 69. Given N numbers, for each index find the greatest index less than the current and the smallest index greater than current, such that the current value is less than the chosen index and maximise the product of the chosen indices. com), a Website that offers online quizzes for the PL/SQL language. ",hackerrank 30 days of code solutions in c, day 0 hello world. Azure SQL Database serverless is a compute tier for single databases that automatically scales compute based on workload demand and bills for the amount of compute used per second. MINUS is probably the one you want, which will take the results of the second SQL away from the results of the first, something like select col1, col2, col3 from tab1 minus select col1, col2, col3 from tab2. 75 After 5%discount = 2. Pinal Dave is a SQL Server Performance Tuning Expert and an independent consultant. The world is moving to the cloud and various post-monolithic SQL databases are emerging. Clone with HTTPS. Note: NULL values are not counted. Wrapping PL/SQL Code with wrap Utility. Learn to use SELECT statements to retrieve calculated values. Microsoft SQL Server Forums on Bytes. Codes of Algorithms/Coding Competitions on Hackerrank with Python, JavaScript, C++ and SQL - ynyeh0221/HackerRank. higher grades are entered first. Pricing for CPUs and memory depends on the region where your instance is located. Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. Verified 1 day ago. Xobin helps us filter candidates in minimum time. Highest/Maximum difference between two values in an array (HackerRank Task) - max-difference-array-elements. Contribute to vnbrs/hackerrank-sql development by creating an account on GitHub. Find the ID and name of each student who has taken at least one Comp. Hundreds of databases, millions of records. vCustomerAddress AS SELECT c. The ALL modifier instructs the MIN function to find the minimum value in all values including duplicates. My Hackerrank profile. These sales channels include online retailers offering full packaged product (FPP) licenses of SQL Server software, Original Equipment Manufacturers (OEMs) offering pre-. Sample table: item_mast. petshelpingpeople. However, it's a little bit tricky to select the n th highest record. 6: Modify the query in step 5 to show only products that have sold less than a quantity of 3. on the first line, and the contents of input string on the second. Pricing for CPUs and memory depends on the region where your instance is located. NET sites since day one, and we have become the most trusted and respected ASP. Table Store_Information. Your logic is good. Any help would be much appreciated!. March 16, In the SQL Server, the OVER clause can be used to calculate running totals. Given N numbers, for each index find the greatest index less than the current and the smallest index greater than current, such that the current value is less than the chosen index and maximise the product of the chosen indices. Whether you're an experienced DBA with multiple certifications or just starting on your SQL Server DBA journey, you face challenges constantly for putting your organization's data to work. Introduced in SQL Server 2005, the common table expression (CTE) is a temporary named result set that you can reference within a SELECT, INSERT, UPDATE, or DELETE statement. Since all of the numbers are negative, both the maximum subarray and maximum subsequence sums are made up of one element,. 1 Priority Mail Express International Flat Rate Envelopes maximum weight: 4 lbs. 1 5 -2 -3 -1 -4 -6. ie Hacker Rank solution for 30 Days Of Code, HackerRank Algorithms. HackerRank is obviously copying questions from the community into the professional library. First of all as we have given an array 3 3 9 9 5, find the prefix_sum[i]%m. That means that the performance is not good enough when the strings become very large. Search the on-line. To return the number of rows that excludes the number of duplicates and NULL values, you use the. When is the End of Support for SQL Server and Windows Server 2008 and 2008 R2?. Each of the queries in our SQL tutorial is consequential to almost every system that interacts with an SQL database. If DAX knowledge can be compared to a heavily fortified castle, the CALCULATE function is the. Understanding Data. Based on the above two tables write a SQL Query to get the name of the Department that has got the maximum number of Employees. The key-logic is, if the larger index(say j) has smaller prefix_sum than any smaller index (say i), then that sub-array (from i to j) can be a co. New pull request. The Sales by Category query summarizes sales data ($ figures) for all products, sorted by category, using data from three tables (Products, Orders, and Order Details) and the Order Details Extended query (equivalent to a view). Try the most Comprehensive Candidate Selection Software. GitHub Gist: instantly share code, notes, and snippets. By Brendan Tierney. Pricing for CPUs and memory depends on the region where your instance is located. This brochure summarizes the editions of SQL Server 2008 R2 and the sales channels through which they are available. Finding out the discounted price of an item has never been easier. Contribute to tunghim/HackerRank_SQL_Solutions development by creating an account on GitHub. The Microsoft Products and Services Agreement (MPSA) is a transactional licensing agreement for commercial, government, and academic organizations with 250 or more users/devices. Select Discount %. My Hackerrank profile. I found this page around 2014 and after then I exercise my brain for FUN. Last update on November 12 2019 10:12:53 (UTC/GMT +8 hours) SQL Basic Select Statement: Exercise-26 with Solution. 1-4: MCQ question, 5-8: coding exercise, total: 60 minutes HackerRank. --If an order contains five or more units of a given product, give a 2% discount for that line item. The hard part of these SQL interview questions is that they are abstract. Click to see solution. Short Problem Definition: Given a list of N integers, your task is to select K integers from the list such that its unfairness is minimized. Based on the above two tables write a SQL Query to get the name of the Department that has got the maximum number of Employees. MySQL is the world's most popular open source database. First of all as we have given an array 3 3 9 9 5, find the prefix_sum[i]%m. To return the number of rows that excludes the number of duplicates and NULL values, you use the. For this blog, we will discuss limitations on SQL Server 2008. Contribute to peeyushy95/Project-Euler development by creating an account on GitHub. SQL databases let you create procedures to run code without retyping your logic. They can be found here. Creating a View: CREATE VIEW SalesLT. Link Max Min Complexity: time complexity is O(N*log(N)); space complexity is O(N) Execution: The unfairness is the distance between K elements in a sorted array. Heatgear High Waist Compression Graphic Leggings. --If an order contains five or more units of a given product, give a 2% discount for that line item. The syntax of the CASE expr described here differs slightly from that of the SQL CASE statement described in Section 13. Read the SQL Server 2019 licensing guide. Become an author. Maximum storage across all items per (logical) partition key. For each category and color, what is the maximum list price of men's shoes in that category and color? Sort by Category. Sql doesn't seem to like the '%' key. The subquery uses this passed-in ProductID value to look up the max unit price for this product [ select max (UnitPrice) from order_details] When the max unit price for the product is found in the subquery, it's returned to the outer query. 60 3008 1 250. Azure SQL Database reserved capacity enables you to save up to 33% 1 compared to licence-included pricing by pre-paying for your SQL Database compute capacity on a one or three-year term. Finding out the discounted price of an item has never been easier. You'll learn from real examples that lead to real results. He has authored 12 SQL Server database books, 32 Pluralsight courses and has written over 5000 articles on the database technology on his blog at a https://blog. HackerRank was founded as InterviewStreet Inc. Exercise 2: Use the function documentation quoted above to explain why ROUND(123. We get the complete work flow when a candidate submits the assessment. Unlike other aggregate functions e. ie Hacker Rank solution for 30 Days Of Code, HackerRank Algorithms. 00 3009 2 2480. This tutorial is based on Webucator's Introduction to SQL Training course. We will use the products table in the sample database for the demonstration of the AVG() function in the following sections. Challenge Walkthrough Let's walk through this sample challenge and explore the features of the code editor. Over 1450 questions for you to practice. petshelpingpeople. A mix-and-match discount of 30 percent applies to these products. Amazon RDS is free to try. A cursor is a temporary work area created in system memory when a SQL statement is executed. This does not cover Windows 7 or Office 2010. The candidates who are looking for the HackerRank Coding Questions 2018-2019 can put an end to their search and take a look at this article completely. In SQL groups are unique combinations of fields. 55% Solve Challenge. The AVG function is one of an ANSI SQL aggregate functions, therefore, it is available in all relational database management systems e. We wanted to show the same distribution over our pool of candidates but. View Xobin Blog. Along with 16+ years of hands-on experience he holds a Masters of Science degree and a number of database certifications. New Software. Complete tables of prices are available in Notice 123, Price List. 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NET host in the field. *****Chapter 4 ***** Exercise 1 Write a SELECT statement that joins the Categories table to the Products table and returns these columns: category_name, product_name, list_price SELECT category_name, product_name, list_price FROM categories cat INNER JOIN products pr ON cat. A cursor is a temporary work area created in system memory when a SQL statement is executed. How Can I modify the query below to give 2% discount for that line item If an order contains five or more units of a given product. and operator or where clause less than and greater than operator,. For example, the usual price of product A is 40. Maximum attachment size per Account (Attachment. Input: Root of below tree 1 / \ 2 3 Output: 6 See below diagram for another example. Query 1 : List the employee whose employee number is 100. Here user needs to use between. Rather than returning every row in a table, when values are grouped, only the unique combinations are returned. 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The term "NewSQL" was coined by 451 Research analyst Matt Aslett in 2011, and in 2016 Aslett and Professor Andrew Pavlo of Carnegie Mellon University published a paper titled, "What's Really New with NewSQL," describing NewSQL as a new class of database management systems that "want to achieve. The COUNT () function returns the number of rows that matches a specified criteria.