OSS for Enterprise Solutions

This time i go with a blog called,  The 10 Distributed SQL Query Engine for Big Data  ! A Much Thank for your time, it’s truly appreciated ! Data…Data…Data…Yep, it’s every where starting from Software to Salt stores which is tagged as Big Data. But who is the friend who can help us to get the insights/values from the data in the distributed systems. If we take this list of  in the industry sure it’ll reach more than quarter pie(Am not a statistician, it’s all from my theory leanings and Industry followups). Here to go with the collection of 10 such as  Hive, Impala, HAWQ, IBM Big SQL, Drill, Tajo,  Pig, Presto,DryadLINQ, Jaql  and shared the findings to have bit’s of value for your journey in the big data anlaytics landscape. The SQL Lineage:  Edgar Frank “Ted” Codd  proposed a language called DSL/Alpha along with the relational model definition to manipulate the data in relational tables.  IBM formed a group to created ...

tham khảo từ  https://developer.ean.com/ Thực thể Room: - id - availability: {standard | service_unavailable | unknown_internal_error} - cost: trọng số, sức chứa, giá - price_status: {matched|price_change|sold_out} - reservation_status: {pending|booked|canceled} - room_status: {standard | service_unavailable | internal_server_error | price_unavailable | price_mismatch | cc_declined | rooms_unavailable} Finite State Machine(FSM) nên sử dụng kết hợp để quản lí trạng thái Rooms. FSM nên là duy nhất, tách nghiệp vụ booking và hệ thống Rooms. Appointment Scheduling(option): accept real time booking. Dùng Scheduling kết hợp queue để điều tiết giao dịch booking, hạn chế lock khi có giao dịch đồng thời booking trên vùng rooms. Tham khảo thêm: ean api doc finite state machines Qloapps  : Fully Open Source Hotel Booking and Reservation System solidres  : Fully Open Source Software HotelDruid : Fully Open Source Software Jomres ...