Error 150, I can't find the mistake. [SOLVED] (2 replies)
Hi, I'm trying to make a table with foreign keys but when I load the sql script it fails in the last foreign key. If I delete it works but the referenced value name is correct... I'm really lost...
View Articlewhy Innodb_buffer_pool_read_ahead_evicted big than...
From the document,I see the descriptions about the two status. These global status variables Innodb_buffer_pool_read_ahead and Innodb_buffer_pool_read_ahead_evicted indicate the number of pages read...
View Articletrigger causing deadlock :( (no replies)
hello guys, i'm having some trouble with deadlocks, that just started recently. i have run the SHOW ENGINE INNODB STATUS command and found out that one trigger is causing this (i'm pretty sure it's...
View Articlecheck the manual that corresponds to your MySQL server version for the right...
I have this kind of error-> Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in C:\wamp\www\script.php on line 24 You have an error in your SQL syntax; check the...
View ArticleInnoDB engine missing (2 replies)
I loaded mysql 5.1.52 on two different machines (both with Ubuntu 10.04). I want to use InnoDB exclusively. I copied the my-innodb-heavy-4g.cnf file to /etc/my.cnf. On one machine it appears that the...
View ArticleRestore INNODB file (2 replies)
Hi All, My system was formated and i have old data file which contains 1. ibdata1 file 2. ib_logfile0,ib_logfile1 Log Files 3. database and with respect .frm file ( of tables) Can anyone help me how...
View ArticleTesting innodb (9 replies)
I am trying to test different schema against each other in Mysql Innodb. However, it is hard to have reliable results as the second query will benefits of the index already loaded. Of course, I like...
View Articleboth Index and query are very slow for huge number of data in the tables (1...
I am using Linux_64 as the server. I need to do the statistics for the data over the specific time period. Here is the problem I encountered: we have the existing tables with quite big number...
View ArticleStrange behavior on auto_increment fields (4 replies)
Hello I have the same problem in all my databases, I have already searched the forums and I have found some identical situations but none like this. So, here's my problem, All my primary keys are auto...
View ArticleInitialize auto_increment when server start (1 reply)
Hi, my question is simple but I dont found a solution yet... I need to set an auto_increment of a table based on max key value of another table. It must be done when the server start because at this...
View Articlewhy select need share mode lock (no replies)
I encountered this deadlock in my system LATEST DETECTED DEADLOCK ------------------------ 100601 8:17:41 *** (1) TRANSACTION: TRANSACTION 0 46219915, ACTIVE 1 sec, process no 4325, OS thread id...
View ArticlePb with table creation (1005/150) and lost constraint (no replies)
Hi, I change de definition of a table in workbench got creation pb. I dropped the table a now i can't recreate it. It says that there a pb with a constraint, but it had not been deleted with the table...
View ArticleDatabase Pool Size (2 replies)
Hi all , I am using MySQL5.0 version as a backend database . Can anyone please tell me the maximum pool size . How many number of connections active at the same time . Thanks in advance, santosh
View Articleunwanted duplicate foreign key constraints sneaking in... (no replies)
I am using MySQL 5.0.51a-3ubuntu5.7 and managing with phpMyAdmin version 3.3.5... Here is the problem - well, first of all my InnoDB tables work perfectly and the foreign constraints behave exactly as...
View ArticleForeign key error (no replies)
I ran SHOW ENGINE INNODB STATUS and got the following output: LATEST FOREIGN KEY ERROR ------------------------ 100921 3:32:12 Transaction: TRANSACTION 2 2203551035, ACTIVE 0 sec, process no 19308, OS...
View ArticleMYSQL 5.5 innodb_use_native_aio will not enable (5 replies)
I built mysql 5.5 from source on an Ubuntu linux server distribution with all the defaults. The install went well with no errors, and the server starts and runs well with no errors. Looking at the...
View ArticleInnodb selects hang when load data (2 replies)
Hi, Here are the informations : mysql 5.1.50 + plugin innodb I load a 10millions rows csv file into a temp innodb table and after several minutes, everything slows down in the mysql instance. The...
View ArticleCan I recover Innodb data with a _bad_ ibdata file? (no replies)
Hi Redhat 5 x86_64 MySQL 5.1.49sp1 using innodb_file_per_table I recently used zmanda to restore a database that has only innodb tables to a different server. After the restores was complete, I was...
View ArticlePerformance Problems for large inserts into INNODB table via LOAD DATA (1 reply)
subject: Performance Problems for large inserts into INNODB table via LOAD DATA I am trying to insert about 300 million records into one INNODB table via LOAD DATA calls, where each file may have 1-30...
View ArticleDeadlock on running exact same UPDATE statement? (1 reply)
Are the reasons behind deadlocks with highly concurrent inserts also the same for highly concurrent updates? For whatever reason I have two threads running the EXACT same SQL and InnoDB is reporting a...
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