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Modern Web 2016
2016 10 8 JAAD - Win
MySQL
Modern Web 2016 Ant_ModernWeb-MySQL_.pdf
Donald Knuth-
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Minimum Viable Product
MVP ....
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MVP
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Research Development
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...
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Monolithic Microservices
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Elastic Business
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()
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{0: deleted, 1: enabled, 2: locaked}
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SELECT * FROM {Table} WHERE tag1 = `admin`
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SELECT * FROM {Table} WHERE tag1 = `admin`
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SELECT * FROM {Table} WHERE (tag1 = `admin` OR tag2 = `admin` OR tag3 = `admin`) AND (tag1 = `reporter` OR tag2 = `reporter` OR tag3 = `reporter`)
SELECT * FROM {Table} WHERE `admin` IN (tag1, tag2, tag3) AND `reporter` IN (tag1, tag2, tag3)
alter table !!
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SELECT * FROM {Table} INNER JOIN `Tag` AS t1 USING (id) INNER JOIN `Tag` AS t2 USING (id) WHERE t1.tag = `admin AND t2.tag = `reporter`
1
tag
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2
M : N
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Scale Up- Application
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N+1 queries / ORM Bad SQL Bad Schema Design Big SQL Big Transaction Big Batch
99% Application
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N+1 queries / ORM Bad SQL Bad Schema Design Big SQL Big Transaction Big Batch
99% Application
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CHAR MySQL 5.7.7 CHAR VARCHAR
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(MySQL) CHAR vs. VARCHAR
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Primary Index MySQL Index Composite Index
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Index
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Scale Out- Replication- Cluster
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Replication
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Replication
Read Write
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Clustering
Read/Write
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Clustering
: Deadlock
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Clustering
Load Balancer 39
Percona XtraDB Cluster: Multi-node writing and Unexpected deadlocks2012-08-17 https://www.percona.com/blog/2012/08/17/percona-xtradb-cluster-multi-node-writing-and-unexpected-deadlocks/
Avoiding Deadlocks in Galera - Set up HAProxy for single-node writes and multi-node reads2013-09-17 http://www.severalnines.com/blog/avoiding-deadlocks-galera-set-haproxy-single-node-writes-and-multi-node-reads
Optimizing Percona XtraDB Cluster for write hotspots2015-06-03 https://www.percona.com/blog/2015/06/03/optimizing-percona-xtradb-cluster-write-hotspots/
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https://www.percona.com/blog/2012/08/17/percona-xtradb-cluster-multi-node-writing-and-unexpected-deadlocks/https://www.percona.com/blog/2012/08/17/percona-xtradb-cluster-multi-node-writing-and-unexpected-deadlocks/http://www.severalnines.com/blog/avoiding-deadlocks-galera-set-haproxy-single-node-writes-and-multi-node-readshttp://www.severalnines.com/blog/avoiding-deadlocks-galera-set-haproxy-single-node-writes-and-multi-node-reads
Clustering Database Federation
Table Partitioning Table Sharding
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How to do in PIXNET
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Thank you.