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Премиум
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    Query Execution Basics
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    Utility Layer
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    SQL Layer
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    Storage Engine Layer
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    Conclusions
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    Making use of Performance Schema
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    Top 10 Time-Consuming Queries
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    Why Are Queries Slow?
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    Finding Candidate Queries for Optimization
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    Table I/O and File I/O for Selects
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    Table I/O and File I/O for Updates and Deletes
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    The Error Summary Tables
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    Conclusions
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    How does the Optimiser work?
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    EXPLAIN basics
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    Example 1: Single Table, Table Scan
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    EXPLAIN ANALYZE
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    Example 2: Single Table, Index Access
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    Example 3: Multicolumn Index
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    Example 4: Two Tables With Subquery And Sorting
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    Spotting jumps in runtime
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    Hot and cold cache behaviour
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    Conclusions
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    Section Overview
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    The Clustered Indexes
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    Choosing a Good Primary Key
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    Use Case: Inserting rows in primary key order with InnoDB
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    Optimal Primary Key in Practice
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    Introduction
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    Why add a Secondary Index?
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    When should you Add or Remove Indexes?
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    Why Index Statistics are Important?
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    How to help MySQL make better decisions?
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    Covering Indexes
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    Motivation
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    Columns Order
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    Composite Index Hands-on
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    Using Redundant Indexes
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    Composite Indexes Extra Remarks
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    Conclusions
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    Configuration Best Practices
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    InnoDB Overview
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    Adjusting the Buffer Pool Size
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    Adding more Buffer Pool Instances
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    Why Dumping the Buffer Pool?
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    Tuning Flushing Pages Process
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    Tuning Redo Log Buffer
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    Tuning Redo Log Files
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    Parallel Query Execution
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    Adjusting the Query Buffers
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    Conclusions
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    Impact of Transactions
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    Managing Locks
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    Purpose of Undo Logs
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    Reduce Locking - Transaction size and age
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    Reduce Locking - Indexes
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    Reduce Locking - Transaction Isolation Levels
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    Monitoring Transactions
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    Monitoring Locks
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    Conclusions
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    Scaling MySQL Intro
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    Read Versus Write Loads
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    Replication - Scaling Reads with Read Pools
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    Replication - Service Discovery for Read Pools
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    Queuing
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    Sharding Introduction
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    Sharding Concerns
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    How to Partition Data in MySQL
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    Multiple Partitioning Keys
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    Querying Across Shards