Data

Tools

Indexes

Applications

Experiments

Awesome

An open API service indexing awesome lists of open source software.

https://github.com/akshayavb99/stratascratch-practice

Repository contains the practice questions solved on Stratascratch
https://github.com/akshayavb99/stratascratch-practice

interview-preparation sql-server stratascratch

Last synced: 3 months ago
JSON representation

Repository contains the practice questions solved on Stratascratch

Awesome Lists containing this project

README 

        
# stratascratch-practice

## Repository contains the practice questions solved on Stratascratch



  
Coding Questions


  

  
MS SQL Server


    

  | Question | Link to question | Difficulty |

  | --------------- | --------------- | --------------- |

  | Gender With Most Doctor Appointments | https://platform.stratascratch.com/coding/10170-gender-with-most-doctor-appointments | Easy |

  | Number Of Records By Variety | https://platform.stratascratch.com/coding/10168-number-of-records-by-variety | Easy |

  | Count the number of movies that Abigail Breslin nominated for oscar | https://platform.stratascratch.com/coding/10128-count-the-number-of-movies-that-abigail-breslin-nominated-for-oscar | Easy |

  | Account Registrations | https://platform.stratascratch.com/coding/2126-account-registrations | Easy |

  | Mobile and Web Logins | https://platform.stratascratch.com/coding/2080-mobile-and-web-logins | Easy |

  | Salaries Differences | https://platform.stratascratch.com/coding/10308-salaries-differences | Easy |

  | Finding Updated Records | https://platform.stratascratch.com/coding/10299-finding-updated-records | Easy |

  | Find all inspections which are part of an inactive program | https://platform.stratascratch.com/coding/10277-find-all-inspections-which-are-part-of-an-inactive-program | Easy |

  | Order all countries by the year they first participated in the Olympics | https://platform.stratascratch.com/coding/10184-order-all-countries-by-the-year-they-first-participated-in-the-olympics | Easy |

  | Total Cost Of Orders | https://platform.stratascratch.com/coding/10183-total-cost-of-orders | Easy |

  | Bikes Last Used | https://platform.stratascratch.com/coding/10176-bikes-last-used | Easy |

  | Find all posts which were reacted to with a heart | https://platform.stratascratch.com/coding/10087-find-all-posts-which-were-reacted-to-with-a-heart | Easy |

  | Find the average distance traveled in each hour | https://platform.stratascratch.com/coding/10006-find-the-average-distance-traveled-in-each-hour | Easy |

  | Hour Of Highest Gas Expense | https://platform.stratascratch.com/coding/10005-hour-of-highest-gas-expense | Easy |

  | Find all Lyft rides which happened on rainy days before noon | https://platform.stratascratch.com/coding/10004-find-all-lyft-rides-which-happened-on-rainy-days-before-noon | Easy |

  | Lyft Driver Wages | https://platform.stratascratch.com/coding/10003-lyft-driver-wages | Easy |

  | QBs With Most Interceptions | https://platform.stratascratch.com/coding/9969-qbs-with-most-interceptions | Easy |

  | Top 10 QBs | https://platform.stratascratch.com/coding/9962-top-10-qbs | Easy |

  | Total Employees in Each Department | https://platform.stratascratch.com/coding/9861-find-the-number-of-employees-in-each-department | Easy |

  | Find the average of inspections scores between 91 and 100 | https://platform.stratascratch.com/coding/9707-find-the-average-of-inspections-scores-between-91-and-100 | Easy |

  | Find the number of inspections per day | https://platform.stratascratch.com/coding/9704-find-the-number-of-inspections-per-day | Easy |

  | Find the most common grade earned by bakeries | https://platform.stratascratch.com/coding/9703-find-the-most-common-grade-earned-by-bakeries | Easy |

  | Find the average score for grades A, B, and C | https://platform.stratascratch.com/coding/9693-find-the-average-score-for-grades-a-b-and-c | Easy |

  | Find all routine inspections where high-risk issues were found | https://platform.stratascratch.com/coding/9690-find-all-routine-inspections-where-high-risk-issues-were-found | Easy |

  | Inspection For Glassell Coffee Shop | https://platform.stratascratch.com/coding/9689-inspection-for-glassell-coffee-shop | Easy |

  | Count the number of user events performed by MacBookPro users | https://platform.stratascratch.com/coding/9653-count-the-number-of-user-events-performed-by-macbookpro-users | Easy |

  | Oregon's Prior Month's Sales | https://platform.stratascratch.com/coding/2160-oregons-prior-months-sales | Easy |

  | Active Users Per Platform | https://platform.stratascratch.com/coding/2072-active-users-per-platform | Easy |

  | Total Shipment Weight | https://platform.stratascratch.com/coding/2058-total-shipment-weight | Easy |

  | Weight For First Shipment | https://platform.stratascratch.com/coding/2057-weight-for-first-shipment | Easy |

  | Unique Users Per Client Per Month | https://platform.stratascratch.com/coding/2024-unique-users-per-client-per-month | Easy |

  | Total Number Of Housing Units | https://platform.stratascratch.com/coding/10167-total-number-of-housing-units | Easy |

  | Sorting By Second Character | https://platform.stratascratch.com/coding/2166-sorting-by-second-character | Easy |

  | Admin Department Employees Beginning in April or Later | https://platform.stratascratch.com/coding/9845-find-the-number-of-employees-working-in-the-admin-department | Easy |

  | Customer Details | https://platform.stratascratch.com/coding/9891-customer-details | Easy |

  | Number of Shipments Per Month | https://platform.stratascratch.com/coding/2056-number-of-shipments-per-month | Easy |

  | Reviews of Hotel Arena | https://platform.stratascratch.com/coding/10166-reviews-of-hotel-arena | Easy |

  | 3 Bed Minimum | https://platform.stratascratch.com/coding/9627-3-bed-minimum | Easy |

  | Cheapest Properties | https://platform.stratascratch.com/coding/9625-cheapest-properties | Easy |

  | Dirty Hotel Rooms | https://platform.stratascratch.com/coding/9602-dirty-hotel-rooms | Easy |

  | Find all neighborhoods present in this dataset | https://platform.stratascratch.com/coding/9626-find-all-neighborhoods-present-in-this-dataset | Easy |

  | Total AdWords Earnings | https://platform.stratascratch.com/coding/10164-total-adwords-earnings | Easy |

  | Number Of Acquisitions | https://platform.stratascratch.com/coding/10162-number-of-acquisitions | Easy |

  | Pending Claims | https://platform.stratascratch.com/coding/2083-pending-claims | Easy |

  | Number of Hires During Specific Time Period | https://platform.stratascratch.com/coding/2151-number-of-hires-during-specific-time-period | Easy |

  | Rank guests based on their ages | https://platform.stratascratch.com/coding/10160-rank-guests-based-on-their-ages | Easy |

  | Find the number of Yelp businesses that sell pizza | https://platform.stratascratch.com/coding/10153-find-the-number-of-yelp-businesses-that-sell-pizza | Easy |

  | Find the review count for one-star businesses from yelp | https://platform.stratascratch.com/coding/10050-find-the-review-count-for-one-star-businesses-from-yelp | Easy |

  | Gender With Generous Reviews | https://platform.stratascratch.com/coding/10149-gender-with-generous-reviews | Easy |

  | Guest Or Host Kindness | https://platform.stratascratch.com/coding/10072-guest-or-host-kindness | Easy |

  | Find players who participated in the Olympics representing more than one team | https://platform.stratascratch.com/coding/10143-find-players-who-participated-in-the-olympics-representing-more-than-one-team | Easy |

  | Even-numbered IDs Hired in June | https://platform.stratascratch.com/coding/10137-find-workers-with-an-even-number-for-worker-id | Easy |

  | First Name's Containing the Letter 'a' | https://platform.stratascratch.com/coding/9840-find-all-workers-whose-first-name-contains-the-letter-a | Easy |

  | First Names With Six Letters Ending in 'h' | https://platform.stratascratch.com/coding/9842-find-all-workers-whose-first-name-contains-6-letters-and-also-ends-with-the-letter-h | Easy |

  | Odd-numbered ID's Hired in February | https://platform.stratascratch.com/coding/10136-find-workers-with-an-odd-number-for-worker-id | Easy |

  | Positions Of Letter 'a' | https://platform.stratascratch.com/coding/9829-positions-of-letter-a | Easy |

  | Highest Crime Rate | https://platform.stratascratch.com/coding/10132-highest-crime-rate | Easy |

  | METROPOLITAN TRANSIT AUTHORITY' Employees | https://platform.stratascratch.com/coding/9975-metropolitan-transit-authority-employees | Easy |

  | Calculate Samantha's and Lisa's total sales revenue | https://platform.stratascratch.com/coding/10127-calculate-samanthas-and-lisas-total-sales-revenue | Easy |

  | Find the total number of searches for houses Westlake neighborhood with a TV | https://platform.stratascratch.com/coding/10122-find-the-total-number-of-searches-for-houses-westlake-neighborhood-with-a-tv | Easy |

  | Number Of Bathrooms And Bedrooms | https://platform.stratascratch.com/coding/9622-number-of-bathrooms-and-bedrooms | Easy |

  | User Exile | https://platform.stratascratch.com/coding/10091-user-exile | Easy |

  | Popularity of Hack | https://platform.stratascratch.com/coding/10061-popularity-of-hack | Easy |

  | Find the number of reviews received by Lo-Lo's Chicken & Waffles for each star | https://platform.stratascratch.com/coding/10058-find-the-number-of-reviews-received-by-lo-los-chicken-waffles-for-each-star | Easy |

  | Find the number of 5-star reviews earned by Lo-Lo's Chicken & Waffles | https://platform.stratascratch.com/coding/10057-find-the-number-of-5-star-reviews-earned-by-lo-los-chicken-waffles | Easy |

  | Find the number of entries per star | https://platform.stratascratch.com/coding/10054-find-the-number-of-entries-per-star | Easy |

  | Churro Activity Date | https://platform.stratascratch.com/coding/9688-churro-activity-date | Easy |

  | BAKERY' Owned Facilities | https://platform.stratascratch.com/coding/9697-bakery-owned-facilities | Easy |

  | Find all actions which occurred more than once in the weblog | https://platform.stratascratch.com/coding/9771-find-all-actions-which-occurred-more-than-once-in-the-weblog | Easy |

  | Find all messages which have references to either user 2 or 3 | https://platform.stratascratch.com/coding/9767-find-all-messages-which-have-references-to-either-user-2-or-3 | Easy |

  | Find all users who liked a post | https://platform.stratascratch.com/coding/9769-find-all-friends-who-liked-a-post | Easy |

  | Total Salary by Department | https://platform.stratascratch.com/coding/9869-find-the-total-salary-of-each-department | Medium |

  | Most Profitable Companies | https://platform.stratascratch.com/coding/10354-most-profitable-companies | Medium |

  | Workers With The Highest Salaries | https://platform.stratascratch.com/coding/10353-workers-with-the-highest-salaries | Medium |

  | Average On-Time Order Value | https://platform.stratascratch.com/coding/2153-average-on-time-order-value | Medium |

  | Users By Average Session Time | https://platform.stratascratch.com/coding/10352-users-by-avg-session-time | Medium |

  | Activity Rank | https://platform.stratascratch.com/coding/10351-activity-rank | Medium |

  | Distances Traveled | https://platform.stratascratch.com/coding/10324-distances-traveled | Medium |

  | Most Profitable City of 2021 | https://platform.stratascratch.com/coding/2137-most-profitable-city-of-2021 | Medium |

  | Algorithm Performance | https://platform.stratascratch.com/coding/10350-algorithm-performance | Medium |

  | Finding User Purchases | https://platform.stratascratch.com/coding/10322-finding-user-purchases | Medium |

  | Find the percentage of shipable orders | https://platform.stratascratch.com/coding/10090-find-the-percentage-of-shipable-orders | Medium | 

  | New Products | https://platform.stratascratch.com/coding/10318-new-products | Medium |

  | Daily Active Users | https://platform.stratascratch.com/coding/2050-daily-active-users | Medium |

  | Duplicate Emails | https://platform.stratascratch.com/coding/9895-duplicate-emails | Medium |

  | Highest Target | https://platform.stratascratch.com/coding/9904-highest-target | Medium |

  | Cities With The Most Expensive Homes | https://platform.stratascratch.com/coding/10315-cities-with-the-most-expensive-homes | Medium |

  | Class Performance | https://platform.stratascratch.com/coding/10310-class-performance | Medium |

  | Risky Projects | https://platform.stratascratch.com/coding/10304-risky-projects | Medium |

  | Average Customers Per City | https://platform.stratascratch.com/coding/2055-average-customers-per-city | Medium |

  

  

  

  

  
PySpark


    

  | Question | Link to question | Difficulty |

  | --------------- | --------------- | --------------- |

  |