analytics Realtime bidding E-commerce analytics Retail Games analytics Video streaming analytics Media & news analytics Social recommendations Classifieds. Dating Search engine optimization Telecom traffic 30 • Flexible schema • You can have columns with strict and flexible schema in one table • Queries work as fast as with predefined types! Planned for Q1 2022. Developer: Anton Popov. Выводы 31

2018 Percona. 29 Queries Causing the Most Load © 2018 Percona. 30 Working set of Most Frequent Queries © 2018 Percona. 31 Slowest Query © 2018 Percona. 32 Any Killed Queries ? © 2018 Percona Percona. 33 When Did we have failures © 2018 Percona. 34 Long Transactions © 2018 Percona. 35 Queries from bad Transaction © 2018 Percona. 36 Anyone dumping a lot of data ? © 2018 Percona. 37

语句 语句  设置 设置 my.cnf my.cnf 中的 中的 long-query-time long-query-time 和 和 log-slow-queries log-slow-queries 能 能 够 够 记录服务器那些 记录服务器那些 SQL SQL 执行速度比较慢 执行速度比较慢  另外有用的几个查询： 另外有用的几个查询： SHOW

if (x < 0) return -1; if (y + x > 9) return 0; return a[y - x]; } Queries Given: is true?Fourier-Motzkin eliminationConstraints17 min -> 2h 54m 😱#include _When_(x

specifications from SQL/Framework and SQL/Foundation • Capabilities needed by both SQL/PGQ (Property Graph Queries in SQL) and the GQL standard • GQL Specific Capabilities •2019-09 – 39075 Database Language GQL