myisam_开发者

How to do an efficient rollback, when using both INNODB and MyISAM tables, within a transaction?

I have read the related questions posted here, But what i don\'t get is what if we have to use both MyISAM and INNODB...in such a case if we have DML\'s in a tr开发者_StackOverflow中文版ansaction INNO[详细]

2023-04-01 09:22 分类：问答

mysql: query taking forever with no result

This query is against a MyISAM table: SELECT * FROM table WHERE link_id = 1 and counted = 1 Now, if I don\'t pass counted, it gets it real开发者_JS百科ly fast. When I pass counted to it, it just t[详细]

2023-04-01 03:52 分类：问答

InnoDB vs. MyISAM insert query time

I have a large MySQL table (~10 Million Rows, 6.5G) Which i use for read & write. It is MyISAM, and i get a lot of locks due to MyISAM\'s all table lock on writes.[详细]

2023-03-31 00:40 分类：问答

Converting MyISAM to InnoDB in MySQL

I have a schema which was originally set up with MyISAM. I had relationships between tables which were not defined as foreign keys, but I would link the table with joins, etc. There were obviously no[详细]

2023-03-29 11:59 分类：问答

Restore InnoDB tables: very very slow?

I used to deal with Myi开发者_运维问答sam tables, but for foreign connections I changed to Innodb tables (converted, and added foreign keys). I often download the database from the server, and fill th[详细]

2023-03-28 20:46 分类：问答

Are MySQL transactions atomic?

I have read that transactions are atomic in MySQL (InnoDB) but when I test the next code in 5 threads they select the same ID:[详细]

2023-03-25 09:53 分类：问答

Insert MyISAM key into a INNODB table

I\'m using this table structure for a \'toxi\' like TAGs system table TAGS +--------+-------------------+[详细]

2023-03-25 09:37 分类：问答

Error when changing DB engine from MyIsam to innoDB

I\'ve changed my DB engine of my Java webapplication to innoDB from MyIsam. I\'m using a MySql DB. For some reason I now get an error on the creation of my db tables which are adde开发者_运维知识库d t[详细]

2023-03-24 14:28 分类：问答

Can't create InnoDB table (error -1)

I\'m porting a rather simple table to my live db server and it\'s giving me this strange error when I try to create a InnoDB table, table create is:[详细]

2023-03-18 22:27 分类：问答

MySQL Cost: InnoDB on Cascade or MyISAM separate deletes

I\'m curious as to which would be more cost efficient in terms of resourc开发者_StackOverflowes used by the server: On Cascade Delete that traverses multiple tables or multiple delete statements with[详细]

2023-03-18 08:27 分类：问答