查看當(dāng)前數(shù)據(jù)庫支持的引擎
show engines
+--------------------+---------+----------------------------------------------------------------+--------------+------+------------+
| Engine | Support | Comment | Transactions | XA | Savepoints |
+--------------------+---------+----------------------------------------------------------------+--------------+------+------------+
| InnoDB | DEFAULT | Supports transactions, row-level locking, and foreign keys | YES | YES | YES |
| MRG_MYISAM | YES | Collection of identical MyISAM tables | NO | NO | NO |
| MEMORY | YES | Hash based, stored in memory, useful for temporary tables | NO | NO | NO |
| BLACKHOLE | YES | /dev/null storage engine (anything you write to it disappears) | NO | NO | NO |
| MyISAM | YES | MyISAM storage engine | NO | NO | NO |
| CSV | YES | CSV storage engine | NO | NO | NO |
| ARCHIVE | YES | Archive storage engine | NO | NO | NO |
| PERFORMANCE_SCHEMA | YES | Performance Schema | NO | NO | NO |
| FEDERATED | NO | Federated MySQL storage engine | NULL | NULL | NULL |
+--------------------+---------+----------------------------------------------------------------+--------------+------+------------+
9 rows in set (0.00 sec)
或者
show engines \G
mysql> show engines \G
*************************** 1. row ***************************
Engine: InnoDB
Support: DEFAULT
Comment: Supports transactions, row-level locking, and foreign keys
Transactions: YES
XA: YES
Savepoints: YES
*************************** 2. row ***************************
Engine: MRG_MYISAM
Support: YES
Comment: Collection of identical MyISAM tables
Transactions: NO
XA: NO
Savepoints: NO
*************************** 3. row ***************************
Engine: MEMORY
Support: YES
Comment: Hash based, stored in memory, useful for temporary tables
Transactions: NO
XA: NO
Savepoints: NO
*************************** 4. row ***************************
Engine: BLACKHOLE
Support: YES
Comment: /dev/null storage engine (anything you write to it disappears)
Transactions: NO
XA: NO
Savepoints: NO
*************************** 5. row ***************************
Engine: MyISAM
Support: YES
Comment: MyISAM storage engine
Transactions: NO
XA: NO
Savepoints: NO
*************************** 6. row ***************************
Engine: CSV
Support: YES
Comment: CSV storage engine
Transactions: NO
XA: NO
Savepoints: NO
*************************** 7. row ***************************
Engine: ARCHIVE
Support: YES
Comment: Archive storage engine
Transactions: NO
XA: NO
Savepoints: NO
*************************** 8. row ***************************
Engine: PERFORMANCE_SCHEMA
Support: YES
Comment: Performance Schema
Transactions: NO
XA: NO
Savepoints: NO
*************************** 9. row ***************************
Engine: FEDERATED
Support: NO
Comment: Federated MySQL storage engine
Transactions: NULL
XA: NULL
Savepoints: NULL
9 rows in set (0.00 sec)
Engine 引擎的名稱
Support 是否支付YES表示支持，NO表示不支持
Comment 評價(jià)或者備注 Defalut表示，默認(rèn)支持的引擎
Transactions 是否支持事務(wù)，YES表示支持，NO表示不支持
XA 所有支持的分布式是否符合XA規(guī)范，YES表示支持，NO表示不支持
Savepoints 是否支持事務(wù)處理中的保存點(diǎn)，YES表示支持，NO表示不支持
或者
show variables like ‘have%'
mysql> show variables like 'have%';
+------------------------+----------+
| Variable_name | Value |
+------------------------+----------+
| have_compress | YES |
| have_crypt | NO |
| have_dynamic_loading | YES |
| have_geometry | YES |
| have_openssl | DISABLED |
| have_profiling | YES |
| have_query_cache | YES |
| have_rtree_keys | YES |
| have_ssl | DISABLED |
| have_statement_timeout | YES |
| have_symlink | YES |
+------------------------+----------+
11 rows in set, 1 warning (0.00 sec)
Variable_name 引擎名稱
value 是否支持YES支持，NO不支持,DISABLED表示支持但未啟用
查看默認(rèn)引擎
show variables like ‘%storage_engine%'
mysql> show variables like '%storage_engine%';
+----------------------------------+--------+
| Variable_name | Value |
+----------------------------------+--------+
| default_storage_engine | InnoDB |
| default_tmp_storage_engine | InnoDB |
| disabled_storage_engines | |
| internal_tmp_disk_storage_engine | InnoDB |
+----------------------------------+--------+
4 rows in set, 1 warning (0.00 sec)
InnoDB 為默認(rèn)引擎
修改默認(rèn)引擎
my.ini文件
[mysqld]
# The next three options are mutually exclusive to SERVER_PORT below.
# skip-networking
# enable-named-pipe
# shared-memory
# shared-memory-base-name=MYSQL
# The Pipe the MySQL Server will use
# socket=MYSQL
# The TCP/IP Port the MySQL Server will listen on 默認(rèn)端口號(hào)
port=3306
# Path to installation directory. All paths are usually resolved relative to this. 服務(wù)器的默認(rèn)安裝目錄
# basedir="C:/Program Files/MySQL/MySQL Server 5.7/"
# Path to the database root 數(shù)據(jù)庫數(shù)據(jù)文件的目錄
datadir=C:/ProgramData/MySQL/MySQL Server 5.7\Data
# The default character set that will be used when a new schema or table is
# created and no character set is defined 修改服務(wù)器默認(rèn)字符
character-set-server=utf8
# The default storage engine that will be used when create new tables when
# 這里修改默認(rèn)引擎
default-storage-engine=INNODB
修改后重啟Mysql服務(wù)
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