Se2017 query-optimizerMary ProkhorovaThis document discusses query optimization in database systems. It explains that a query optimizer is needed because there are many possible ways to execute a query with different tables and joins. The optimizer uses statistics, cost modeling, and explores the search space of options to pick the most efficient plan. It also shows how database internals knowledge like indexes, joins, and parallelism can help the optimizer generate better execution plans.
SE2016 Fundraising Roman Kravchenko "Investment in Ukrainian IoT-Startups"InhackingEvent: #SE2016
Stage: Fundraising
Data: 4 of September 2016
Speaker: Roman Kravchenko
Topic: Investment in Ukrainian IoT-Startups
INHACKING site: https://inhacking.com
SE2016 site: http://se2016.inhacking.com/
How elephants survive in big data environmentsMary ProkhorovaThe document discusses how full text search works in PostgreSQL databases and how it can be used to search large amounts of text data or "big data environments". It provides examples of using various PostgreSQL full text search functions and operators like to_tsvector, to_tsquery, and phraseto_tsquery. It also discusses techniques for ranking search results based on relevance and improving performance using indexes like GIN and RUM.
Global b2 b-sales-for-startups-from-ukraineMary ProkhorovaThis document discusses challenges and recommendations for global B2B sales from Ukraine. It notes that while time zone differences and a lack of local presence can be issues, most customers care more about products, flexibility and responsiveness. It provides statistics on lead generation and customer conversions in different regions. The document recommends investing more in inbound marketing, engaging customers early before features are complete, using a CRM for data-driven decisions, and analyzing the "probability" field in sales forecasts.
Se2017 управління-та-мотивація-творчих-колективівMary ProkhorovaAndrey Umansky is the Head of Merchant Product. He has over 4 years of experience in this role. His contact details include email, Facebook, and LinkedIn profiles. He can be reached at pm@umansky.me on email and through his profiles on Facebook under the name Andrew Umanskiy and LinkedIn under Andrey Umansky.
Se2017 businessdev lavrovaMary ProkhorovaAnna Lavrova is a digital project manager with over 9 years of experience who has worked with both outsource and product companies. She details three case studies of businesses she has helped with:
1) Poshstore.com.ua, an e-commerce site for handmade goods in Ukraine launched in 2010. It attracted 350 artisans but struggled with low prices, delivery issues, and a lack of understanding about handmade values.
2) A startup launched in 2015 by two friends with a killer idea for a blue ocean market but that struggled to find customers due to high prices and lack of team during the winter.
3) A case from 2016 that showed early promise with quick recruitment and positive feedback
Se2017 businessdev lavrovaMary ProkhorovaAnna Lavrova is a digital project manager with over 9 years of experience who has worked with both outsource and product companies. She details three case studies of businesses she has helped with:
1) Poshstore.com.ua, an e-commerce site for handmade goods in Ukraine launched in 2010. It attracted 350 artisans but struggled with low prices, delivery issues, and a lack of understanding about handmade values.
2) A startup launched in 2015 by two friends with a killer idea for a blue ocean market but that struggled to find customers due to high prices and lack of team during the winter.
3) A case from 2016 that showed early promise with quick recruitment and positive feedback