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首页MySQL 5.6官方手册:全面指南与NDB 7.3集群参考
MySQL 5.6 Reference Manual 是一个详尽的文档,涵盖了 MySQL 数据库管理系统在 5.6 版本系列中的各种功能和特性,特别是与 MySQLCluster NDB 7.3 的集成。该手册适用于 MySQL 5.6 从 5.6.0 到 5.6.22 版本,以及基于 NDBCLUSTER 7.3 的 MySQLCluster 支持版本(直到 5.6.20-ndb-7.3.7)。这份文档的重点在于帮助管理员、企业级开发人员以及那些使用 MySQL 进行数据管理和应用程序开发的用户了解和掌握 MySQL 5.6 的核心功能。
MySQL 5.6 新增了一些重要功能,这些功能可能因许可证的不同而有所差异,因此在使用前应查看你的许可协议以确保所包含特性的适用性。对于每个版本的具体更改,可以通过 MySQL 5.6 Release Notes 获取详细说明,以便跟踪数据库系统的更新历史。
此外,手册还包含了关于安装、升级、MySQLEnterprise Edition 的指导,以及如何使用 MySQL Workbench 进行连接和访问 MySQL 服务器。对于高可用性和可扩展性(HA/Scalability)的管理也有专门的指南,这对于确保系统稳定运行和性能优化至关重要。
安全和法律方面,手册会提及 Legal Notices 部分,提供关于版权、许可协议和其他法律信息的重要提示。最后,文档的生成日期为 2014 年 9 月 16 日,修订版本为 40134,这意味着读者可以获取到当时最准确的官方文档信息。
阅读 MySQL 5.6 Reference Manual 是理解和使用 MySQL 5.6 的关键资源,无论是进行基础操作还是高级开发,都能从中找到所需的详细技术指南和支持。通过深入研究手册中的章节,用户可以提高对 MySQL 数据库系统的熟练度,并有效地利用其功能来提升工作效率。
MySQL 5.6 Reference Manual
xvi
16.6 Using MySQL with memcached ..................................................................................... 2148
16.6.1 Installing memcached ......................................................................................... 2149
16.6.2 Using memcached .............................................................................................. 2150
16.6.3 Developing a memcached Application .................................................................. 2170
16.6.4 Getting memcached Statistics ............................................................................. 2196
16.6.5 memcached FAQ ................................................................................................ 2205
16.7 MySQL Proxy ................................................................................................................ 2208
16.7.1 MySQL Proxy Supported Platforms ..................................................................... 2209
16.7.2 Installing MySQL Proxy ....................................................................................... 2209
16.7.3 MySQL Proxy Command Options ........................................................................ 2213
16.7.4 MySQL Proxy Scripting ....................................................................................... 2223
16.7.5 Using MySQL Proxy ........................................................................................... 2238
16.7.6 MySQL Proxy FAQ ............................................................................................. 2244
17 Replication ............................................................................................................................... 2249
17.1 Replication Configuration ............................................................................................... 2250
17.1.1 How to Set Up Replication .................................................................................. 2251
17.1.2 Replication Formats ............................................................................................ 2261
17.1.3 Replication with Global Transaction Identifiers ...................................................... 2268
17.1.4 Replication and Binary Logging Options and Variables ......................................... 2276
17.1.5 Common Replication Administration Tasks .......................................................... 2366
17.2 Replication Implementation ............................................................................................ 2368
17.2.1 Replication Implementation Details ...................................................................... 2369
17.2.2 Replication Relay and Status Logs ...................................................................... 2371
17.2.3 How Servers Evaluate Replication Filtering Rules ................................................ 2377
17.3 Replication Solutions ..................................................................................................... 2384
17.3.1 Using Replication for Backups ............................................................................. 2385
17.3.2 Using Replication with Different Master and Slave Storage Engines ....................... 2388
17.3.3 Using Replication for Scale-Out ........................................................................... 2390
17.3.4 Replicating Different Databases to Different Slaves .............................................. 2391
17.3.5 Improving Replication Performance ..................................................................... 2392
17.3.6 Switching Masters During Failover ....................................................................... 2393
17.3.7 Setting Up Replication Using SSL ....................................................................... 2395
17.3.8 Semisynchronous Replication .............................................................................. 2397
17.3.9 Delayed Replication ............................................................................................ 2402
17.4 Replication Notes and Tips ............................................................................................ 2403
17.4.1 Replication Features and Issues ......................................................................... 2403
17.4.2 Replication Compatibility Between MySQL Versions ............................................. 2429
17.4.3 Upgrading a Replication Setup ............................................................................ 2430
17.4.4 Troubleshooting Replication ................................................................................ 2432
17.4.5 How to Report Replication Bugs or Problems ....................................................... 2433
18 MySQL Cluster NDB 7.3 .......................................................................................................... 2435
18.1 MySQL Cluster Overview .............................................................................................. 2439
18.1.1 MySQL Cluster Core Concepts ........................................................................... 2440
18.1.2 MySQL Cluster Nodes, Node Groups, Replicas, and Partitions .............................. 2443
18.1.3 MySQL Cluster Hardware, Software, and Networking Requirements ...................... 2446
18.1.4 MySQL Cluster Development History ................................................................... 2448
18.1.5 MySQL Server Using InnoDB Compared with MySQL Cluster ............................... 2448
18.1.6 Known Limitations of MySQL Cluster ................................................................... 2452
18.2 MySQL Cluster Installation ............................................................................................ 2461
18.2.1 The MySQL Cluster Auto-Installer ....................................................................... 2463
18.2.2 Installation of MySQL Cluster on Linux ................................................................ 2479
18.2.3 Installing MySQL Cluster on Windows ................................................................. 2485
18.2.4 Initial Configuration of MySQL Cluster ................................................................. 2494
18.2.5 Initial Startup of MySQL Cluster .......................................................................... 2496
MySQL 5.6 Reference Manual
xvii
18.2.6 MySQL Cluster Example with Tables and Data .................................................... 2497
18.2.7 Safe Shutdown and Restart of MySQL Cluster ..................................................... 2501
18.2.8 Upgrading and Downgrading MySQL Cluster NDB 7.3 .......................................... 2502
18.3 Configuration of MySQL Cluster NDB 7.3 ....................................................................... 2503
18.3.1 Quick Test Setup of MySQL Cluster .................................................................... 2503
18.3.2 MySQL Cluster Configuration Files ...................................................................... 2506
18.3.3 Overview of MySQL Cluster Configuration Parameters ......................................... 2584
18.3.4 MySQL Server Options and Variables for MySQL Cluster ..................................... 2610
18.3.5 Using High-Speed Interconnects with MySQL Cluster ........................................... 2675
18.4 MySQL Cluster Programs .............................................................................................. 2677
18.4.1 ndbd — The MySQL Cluster Data Node Daemon ................................................ 2678
18.4.2 ndbinfo_select_all — Select From ndbinfo Tables ....................................... 2684
18.4.3 ndbmtd — The MySQL Cluster Data Node Daemon (Multi-Threaded) ................... 2686
18.4.4 ndb_mgmd — The MySQL Cluster Management Server Daemon .......................... 2687
18.4.5 ndb_mgm — The MySQL Cluster Management Client ........................................... 2696
18.4.6 ndb_blob_tool — Check and Repair BLOB and TEXT columns of MySQL
Cluster Tables .............................................................................................................. 2697
18.4.7 ndb_config — Extract MySQL Cluster Configuration Information ........................ 2700
18.4.8 ndb_cpcd — Automate Testing for NDB Development ........................................ 2708
18.4.9 ndb_delete_all — Delete All Rows from an NDB Table ................................... 2708
18.4.10 ndb_desc — Describe NDB Tables .................................................................. 2709
18.4.11 ndb_drop_index — Drop Index from an NDB Table ........................................ 2714
18.4.12 ndb_drop_table — Drop an NDB Table ......................................................... 2715
18.4.13 ndb_error_reporter — NDB Error-Reporting Utility ...................................... 2715
18.4.14 ndb_index_stat — NDB Index Statistics Utility ............................................... 2717
18.4.15 ndb_print_backup_file — Print NDB Backup File Contents ......................... 2723
18.4.16 ndb_print_file — Print NDB Disk Data File Contents ................................... 2723
18.4.17 ndb_print_schema_file — Print NDB Schema File Contents ........................ 2724
18.4.18 ndb_print_sys_file — Print NDB System File Contents ............................... 2724
18.4.19 ndbd_redo_log_reader — Check and Print Content of Cluster Redo Log ........ 2725
18.4.20 ndb_restore — Restore a MySQL Cluster Backup .......................................... 2726
18.4.21 ndb_select_all — Print Rows from an NDB Table ........................................ 2740
18.4.22 ndb_select_count — Print Row Counts for NDB Tables ................................. 2743
18.4.23 ndb_setup.py — Start browser-based Auto-Installer for MySQL Cluster ............ 2744
18.4.24 ndb_show_tables — Display List of NDB Tables ............................................ 2747
18.4.25 ndb_size.pl — NDBCLUSTER Size Requirement Estimator ........................... 2749
18.4.26 ndb_waiter — Wait for MySQL Cluster to Reach a Given Status ...................... 2751
18.4.27 Options Common to MySQL Cluster Programs — Options Common to MySQL
Cluster Programs .......................................................................................................... 2754
18.5 Management of MySQL Cluster ..................................................................................... 2757
18.5.1 Summary of MySQL Cluster Start Phases ........................................................... 2759
18.5.2 Commands in the MySQL Cluster Management Client .......................................... 2760
18.5.3 Online Backup of MySQL Cluster ........................................................................ 2764
18.5.4 MySQL Server Usage for MySQL Cluster ............................................................ 2769
18.5.5 Performing a Rolling Restart of a MySQL Cluster ................................................. 2770
18.5.6 Event Reports Generated in MySQL Cluster ........................................................ 2773
18.5.7 MySQL Cluster Log Messages ............................................................................ 2784
18.5.8 MySQL Cluster Single User Mode ....................................................................... 2795
18.5.9 Quick Reference: MySQL Cluster SQL Statements .............................................. 2796
18.5.10 The ndbinfo MySQL Cluster Information Database ............................................. 2799
18.5.11 MySQL Cluster Security Issues ......................................................................... 2819
18.5.12 MySQL Cluster Disk Data Tables ...................................................................... 2826
18.5.13 Adding MySQL Cluster Data Nodes Online ........................................................ 2833
18.5.14 Distributed MySQL Privileges for MySQL Cluster ................................................ 2845
MySQL 5.6 Reference Manual
xviii
18.5.15 NDB API Statistics Counters and Variables ........................................................ 2848
18.6 MySQL Cluster Replication ............................................................................................ 2860
18.6.1 MySQL Cluster Replication: Abbreviations and Symbols ....................................... 2861
18.6.2 General Requirements for MySQL Cluster Replication .......................................... 2862
18.6.3 Known Issues in MySQL Cluster Replication ........................................................ 2863
18.6.4 MySQL Cluster Replication Schema and Tables .................................................. 2869
18.6.5 Preparing the MySQL Cluster for Replication ....................................................... 2872
18.6.6 Starting MySQL Cluster Replication (Single Replication Channel) .......................... 2874
18.6.7 Using Two Replication Channels for MySQL Cluster Replication ........................... 2876
18.6.8 Implementing Failover with MySQL Cluster Replication ......................................... 2877
18.6.9 MySQL Cluster Backups With MySQL Cluster Replication .................................... 2878
18.6.10 MySQL Cluster Replication: Multi-Master and Circular Replication ....................... 2884
18.6.11 MySQL Cluster Replication Conflict Resolution ................................................... 2890
18.7 MySQL Cluster Release Notes ...................................................................................... 2899
19 Partitioning ............................................................................................................................... 2901
19.1 Overview of Partitioning in MySQL ................................................................................. 2903
19.2 Partitioning Types ......................................................................................................... 2906
19.2.1 RANGE Partitioning ............................................................................................ 2908
19.2.2 LIST Partitioning ................................................................................................. 2912
19.2.3 COLUMNS Partitioning ....................................................................................... 2914
19.2.4 HASH Partitioning ............................................................................................... 2922
19.2.5 KEY Partitioning ................................................................................................. 2926
19.2.6 Subpartitioning ................................................................................................... 2927
19.2.7 How MySQL Partitioning Handles NULL .............................................................. 2931
19.3 Partition Management .................................................................................................... 2935
19.3.1 Management of RANGE and LIST Partitions ........................................................ 2936
19.3.2 Management of HASH and KEY Partitions ........................................................... 2943
19.3.3 Exchanging Partitions and Subpartitions with Tables ............................................ 2944
19.3.4 Maintenance of Partitions .................................................................................... 2949
19.3.5 Obtaining Information About Partitions ................................................................. 2951
19.4 Partition Pruning ........................................................................................................... 2953
19.5 Partition Selection ......................................................................................................... 2956
19.6 Restrictions and Limitations on Partitioning ..................................................................... 2962
19.6.1 Partitioning Keys, Primary Keys, and Unique Keys ............................................... 2968
19.6.2 Partitioning Limitations Relating to Storage Engines ............................................. 2972
19.6.3 Partitioning Limitations Relating to Functions ....................................................... 2973
19.6.4 Partitioning and Locking ...................................................................................... 2974
20 Stored Programs and Views ..................................................................................................... 2977
20.1 Defining Stored Programs .............................................................................................. 2978
20.2 Using Stored Routines (Procedures and Functions) ........................................................ 2979
20.2.1 Stored Routine Syntax ........................................................................................ 2980
20.2.2 Stored Routines and MySQL Privileges ............................................................... 2980
20.2.3 Stored Routine Metadata .................................................................................... 2981
20.2.4 Stored Procedures, Functions, Triggers, and LAST_INSERT_ID() ......................... 2981
20.3 Using Triggers .............................................................................................................. 2981
20.3.1 Trigger Syntax and Examples ............................................................................. 2982
20.3.2 Trigger Metadata ................................................................................................ 2986
20.4 Using the Event Scheduler ............................................................................................ 2986
20.4.1 Event Scheduler Overview .................................................................................. 2986
20.4.2 Event Scheduler Configuration ............................................................................ 2987
20.4.3 Event Syntax ...................................................................................................... 2989
20.4.4 Event Metadata .................................................................................................. 2990
20.4.5 Event Scheduler Status ...................................................................................... 2991
20.4.6 The Event Scheduler and MySQL Privileges ........................................................ 2991
MySQL 5.6 Reference Manual
xix
20.5 Using Views .................................................................................................................. 2994
20.5.1 View Syntax ....................................................................................................... 2994
20.5.2 View Processing Algorithms ................................................................................ 2995
20.5.3 Updatable and Insertable Views .......................................................................... 2996
20.5.4 View Metadata ................................................................................................... 2998
20.6 Access Control for Stored Programs and Views .............................................................. 2999
20.7 Binary Logging of Stored Programs ............................................................................... 3000
21 INFORMATION_SCHEMA Tables ............................................................................................. 3007
21.1 The INFORMATION_SCHEMA CHARACTER_SETS Table ............................................. 3010
21.2 The INFORMATION_SCHEMA COLLATIONS Table ....................................................... 3011
21.3 The INFORMATION_SCHEMA COLLATION_CHARACTER_SET_APPLICABILITY Table . 3011
21.4 The INFORMATION_SCHEMA COLUMNS Table ........................................................... 3012
21.5 The INFORMATION_SCHEMA COLUMN_PRIVILEGES Table ........................................ 3013
21.6 The INFORMATION_SCHEMA ENGINES Table ............................................................. 3013
21.7 The INFORMATION_SCHEMA EVENTS Table .............................................................. 3014
21.8 The INFORMATION_SCHEMA GLOBAL_STATUS and SESSION_STATUS Tables ......... 3017
21.9 The INFORMATION_SCHEMA GLOBAL_VARIABLES and SESSION_VARIABLES
Tables .................................................................................................................................. 3017
21.10 The INFORMATION_SCHEMA KEY_COLUMN_USAGE Table ...................................... 3018
21.11 The INFORMATION_SCHEMA OPTIMIZER_TRACE Table ........................................... 3019
21.12 The INFORMATION_SCHEMA PARAMETERS Table ................................................... 3019
21.13 The INFORMATION_SCHEMA PARTITIONS Table ...................................................... 3020
21.14 The INFORMATION_SCHEMA PLUGINS Table ........................................................... 3023
21.15 The INFORMATION_SCHEMA PROCESSLIST Table ................................................... 3024
21.16 The INFORMATION_SCHEMA PROFILING Table ........................................................ 3025
21.17 The INFORMATION_SCHEMA REFERENTIAL_CONSTRAINTS Table .......................... 3026
21.18 The INFORMATION_SCHEMA ROUTINES Table ......................................................... 3026
21.19 The INFORMATION_SCHEMA SCHEMATA Table ....................................................... 3028
21.20 The INFORMATION_SCHEMA SCHEMA_PRIVILEGES Table ...................................... 3028
21.21 The INFORMATION_SCHEMA STATISTICS Table ....................................................... 3029
21.22 The INFORMATION_SCHEMA TABLES Table ............................................................. 3030
21.23 The INFORMATION_SCHEMA TABLESPACES Table .................................................. 3031
21.24 The INFORMATION_SCHEMA TABLE_CONSTRAINTS Table ...................................... 3031
21.25 The INFORMATION_SCHEMA TABLE_PRIVILEGES Table .......................................... 3031
21.26 The INFORMATION_SCHEMA TRIGGERS Table ......................................................... 3032
21.27 The INFORMATION_SCHEMA USER_PRIVILEGES Table ........................................... 3034
21.28 The INFORMATION_SCHEMA VIEWS Table ............................................................... 3034
21.29 INFORMATION_SCHEMA Tables for InnoDB ............................................................... 3036
21.29.1 The INFORMATION_SCHEMA INNODB_CMP and INNODB_CMP_RESET
Tables .......................................................................................................................... 3036
21.29.2 The INFORMATION_SCHEMA INNODB_CMP_PER_INDEX and
INNODB_CMP_PER_INDEX_RESET Tables ................................................................. 3037
21.29.3 The INFORMATION_SCHEMA INNODB_CMPMEM and
INNODB_CMPMEM_RESET Tables .............................................................................. 3038
21.29.4 The INFORMATION_SCHEMA INNODB_TRX Table .......................................... 3039
21.29.5 The INFORMATION_SCHEMA INNODB_LOCKS Table ..................................... 3040
21.29.6 The INFORMATION_SCHEMA INNODB_LOCK_WAITS Table ........................... 3041
21.29.7 The INFORMATION_SCHEMA INNODB_SYS_TABLES Table ........................... 3042
21.29.8 The INFORMATION_SCHEMA INNODB_SYS_INDEXES Table .......................... 3042
21.29.9 The INFORMATION_SCHEMA INNODB_SYS_COLUMNS Table ........................ 3043
21.29.10 The INFORMATION_SCHEMA INNODB_SYS_FIELDS Table ........................... 3044
21.29.11 The INFORMATION_SCHEMA INNODB_SYS_FOREIGN Table ....................... 3044
21.29.12 The INFORMATION_SCHEMA INNODB_SYS_FOREIGN_COLS Table ............ 3045
21.29.13 The INFORMATION_SCHEMA INNODB_SYS_TABLESTATS View .................. 3045
MySQL 5.6 Reference Manual
xx
21.29.14 The INFORMATION_SCHEMA INNODB_SYS_DATAFILES Table .................... 3046
21.29.15 The INFORMATION_SCHEMA INNODB_SYS_TABLESPACES Table .............. 3046
21.29.16 The INFORMATION_SCHEMA INNODB_BUFFER_PAGE Table ...................... 3047
21.29.17 The INFORMATION_SCHEMA INNODB_BUFFER_PAGE_LRU Table .............. 3048
21.29.18 The INFORMATION_SCHEMA INNODB_BUFFER_POOL_STATS Table .......... 3050
21.29.19 The INFORMATION_SCHEMA INNODB_METRICS Table ................................ 3051
21.29.20 The INFORMATION_SCHEMA INNODB_FT_CONFIG Table ............................ 3057
21.29.21 The INFORMATION_SCHEMA INNODB_FT_DEFAULT_STOPWORD Table ..... 3058
21.29.22 The INFORMATION_SCHEMA INNODB_FT_INDEX_TABLE Table .................. 3058
21.29.23 The INFORMATION_SCHEMA INNODB_FT_INDEX_CACHE Table ................. 3060
21.29.24 The INFORMATION_SCHEMA INNODB_FT_DELETED Table .......................... 3061
21.29.25 The INFORMATION_SCHEMA INNODB_FT_BEING_DELETED Table .............. 3062
21.30 INFORMATION_SCHEMA Tables for MySQL Cluster ................................................... 3063
21.30.1 The INFORMATION_SCHEMA FILES Table ...................................................... 3063
21.30.2 The INFORMATION_SCHEMA ndb_transid_mysql_connection_map Table .......... 3069
21.31 Thread Pool INFORMATION_SCHEMA Tables ............................................................. 3070
21.31.1 The INFORMATION_SCHEMA TP_THREAD_STATE Table ............................... 3070
21.31.2 The INFORMATION_SCHEMA TP_THREAD_GROUP_STATE Table ................. 3071
21.31.3 The INFORMATION_SCHEMA TP_THREAD_GROUP_STATS Table ................. 3072
21.32 Extensions to SHOW Statements ................................................................................. 3074
22 MySQL Performance Schema .................................................................................................. 3077
22.1 Performance Schema Quick Start .................................................................................. 3079
22.2 Performance Schema Configuration ............................................................................... 3085
22.2.1 Performance Schema Build Configuration ............................................................ 3085
22.2.2 Performance Schema Startup Configuration ......................................................... 3086
22.2.3 Performance Schema Runtime Configuration ....................................................... 3089
22.3 Performance Schema Queries ....................................................................................... 3106
22.4 Performance Schema Instrument Naming Conventions ................................................... 3107
22.5 Performance Schema Status Monitoring ......................................................................... 3109
22.6 Performance Schema Atom and Molecule Events ........................................................... 3113
22.7 Performance Schema Statement Digests ........................................................................ 3113
22.8 Performance Schema General Table Characteristics ....................................................... 3115
22.9 Performance Schema Table Descriptions ....................................................................... 3115
22.9.1 Performance Schema Table Index ....................................................................... 3116
22.9.2 Performance Schema Setup Tables .................................................................... 3117
22.9.3 Performance Schema Instance Tables ................................................................ 3122
22.9.4 Performance Schema Wait Event Tables ............................................................. 3126
22.9.5 Performance Schema Stage Event Tables ........................................................... 3130
22.9.6 Performance Schema Statement Event Tables .................................................... 3134
22.9.7 Performance Schema Connection Tables ............................................................ 3141
22.9.8 Performance Schema Connection Attribute Tables ............................................... 3143
22.9.9 Performance Schema Summary Tables ............................................................... 3144
22.9.10 Performance Schema Miscellaneous Tables ...................................................... 3157
22.10 Performance Schema Option and Variable Reference ................................................... 3164
22.11 Performance Schema Command Options ..................................................................... 3167
22.12 Performance Schema System Variables ....................................................................... 3168
22.13 Performance Schema Status Variables ......................................................................... 3181
22.14 Performance Schema and Plugins ............................................................................... 3183
22.15 Using the Performance Schema to Diagnose Problems ................................................. 3183
23 Connectors and APIs ............................................................................................................... 3187
23.1 MySQL Connector/ODBC .............................................................................................. 3191
23.2 MySQL Connector/Net ................................................................................................... 3191
23.3 MySQL Connector/J ...................................................................................................... 3191
23.4 MySQL Connector/C++ .................................................................................................. 3191
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