Recovery Data (no replies)
I have the same problem, I only have the IBDATA1 file, I do not have the IB_LOGFILES and I need to recover the data from my INNODB engine database. I have a backup that I'm working on. What can I do...
View Article"create table as select ..." failed with unknown reason (1 reply)
Environment: MySQL 5.7.16 on RHL6 I have the following SQL statements listed below. If I execute STMT_1, STMT_2 or STMT_3, I get the expected result without problem. Execution of STMT_4 fails with...
View Article1205 Lock Wait Timeout on heavy SELECT load? (1 reply)
Hi folks, We're running a very small database (a few hundred rows) on Community Edition 5.6.21 (clustered). It stores access rights information for our application. The application itself is entirely...
View ArticleLocking preventing users being allocated work (1 reply)
I have a stored procedure that is being used to allocate customer's work requests to users when they press a button on a UI. The SQL within the stored procedure is split in the following way Allocate...
View ArticleAnalyze on INNODB Tables (2 replies)
Hello Team, we have 150 tables and planning to perform an ANALYZE on same. I would like to know what is the system table that helps in checking stats on the table are stale.
View ArticleInnoDB is default engine for 5.7, but why does the code go into myisam while...
Hi all, Today, I download the source code of mysql 5.7.16, and build it with debug. It is said from 5.5, the default DB engine is InnoDB. But after I import my data with 8000000+ records into it. The...
View ArticleError in procedure only throught ODBC connection (4 replies)
Does anybody knowns why this code work throught command line with mysql.exe, but it doesn't work throught ODBC connection: create procedure executa_comando (IN p_comando text, OUT p_cod_erro...
View ArticleReindex Innodb Tables (no replies)
Hi, How to Reindex or rebuild Innodb tables. -- Ragu Thangavel
View ArticleTemporary table - Error recovery failure (9001) (1 reply)
I have made temporary table like this: CREATE TEMPORARY TABLE temp1 (towkod varchar(20), townaz varchar(40), wartnetto DECIMAL(9,2), wartzysk DECIMAL(9,2), ilotow DECIMAL(9,2)) ENGINE = InnoDB and...
View ArticleCould not increase number of max_open_files to more than 65536 (request:...
Hi Sir, I understand the warning message "Could not increase number of max_open_files to more than 65536 (request: 1050635)" is a common topic and solutions can be easily found in Google. My question...
View ArticleINSERT AfTER LEFT JOIN creates duplicate records (6 replies)
Below is the stored procedure running at work hours every day. The purpose is to add new and update records from SBT to so_detail. INSERT INTO so_detail (so_num, cust_num, part_num, descrip, disc,...
View ArticleMySQL HA: InnoDB clusters (no replies)
MySQL HA: InnoDB clusters - http://mysqlserverteam.com/introducing-mysql-innodb-cluster-demo-video/ -...
View ArticleHow to track page splits (6 replies)
Is there a way to track the number of page splits on an InnoDB table? I've inherited a couple high-volume tables with integer primary keys in which values are often inserted out of order and I'd like...
View ArticleExtract table data from an ibdata file (no replies)
Hi. I run a community 5.5 Version With SqlYog Control Panel. I need to access a table in a month_old backup. I have restored the ibdta, logfiles and .frm. Is it a way to make a Connection to extract a...
View ArticleI/O on checkpoints (no replies)
Hello, I am trying to understand the I/O performed by Innodb. Concretely, i would like to understand how checkpoints are performed at the file system level, i.e, how checkpoints start and how end. I...
View ArticleShould ORDER BY SELECTs to to avoid deadlocks? (3 replies)
I start a transaction. I read some rows with SELECTs. Then I do modifications (UPDATE/INSERT/DELETE) related with these rows which I've read. I commit. MySQL docs say that it is better to have...
View ArticleGrowth of .ibd and .ibdata files (4 replies)
Hello, I am catching all the disk I/O system calls performed by innodb in the data directory. Seems that Innodb grows the .idb and .ibdata files by writing 1 byte each 512 bytes, and then fills up...
View ArticleRepositories of large mysql schemas (1 reply)
I am looking for schemas which have large number of tables. Is there a schemas repositories which you are aware of ? large = > 200
View ArticleMaximum Transaction Timeout (5 replies)
I've got a problem with an InnoDB database and I'm not really sure what setting to adjust to fix it. The problem I'm having is connections come in and start a transaction. Before the commit is issued...
View ArticleService (Windows) keeps crashing on Export (8 replies)
I have added a database folder (QRDevices) to the Data folder and then ran a Refresh im Workbench. I now see the database listed. I believe I need to rebuild the InnoDB tables or whatever and...
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