mysql-5 : Version of MySQL Starting with MySQL 5.0
0
votes
1answer
128 views
mysql duplicate entry error 1062 when restoring backup
Sorry, I seen similar threads but I still couldn't find it addressing my issue plus, I needed some more info on this.
Requirement: To create an exact replica 'db4' of an existing DB 'db3'.
Procedure ...
2
votes
3answers
439 views
MySQL optimization - year column grouping - using temporary table, filesort
I have a transactions table which is having 600,000 records, I need to list the count for the dashboard on financial year basis. The table used is MyISAM. I tried adding index for the transaction date ...
0
votes
1answer
65 views
How to removing or reduce the size of redo logs in MySQL cluster
Can anybody tell me that how can we reduce the redo log file size or can we remove the redo log file size in MySQL Cluster and also what will be the impact of it on performance of cluster.Also can we ...
1
vote
1answer
128 views
Why would mysql “show global status” query be taking 15 minutes?
I'm reviewing the slow log, and on one of my slaves the average time for SHOW GLOBAL STATUS is 914s.
Any idea how to determine the cause of this?
-1
votes
2answers
180 views
Insert ignore with conditional
I need to insert some records which might have duplicates. Column to overwrite/skip is mytable.email and mytable.fooFlag should be 1.
I came up with something like this:
INSERT IGNORE INTO mytable ...
2
votes
1answer
54 views
MySQL-problem in Fetching Result set in Desired Format
I have 2 tables having the following columns
Person
------
person_id,
first_name,
middle_name,
last_name
Items
-----
person_item_id,
person_id,
item_type,
status,
ordered_date
The query is
...
0
votes
2answers
60 views
Indexing is not working
Following is the table and index information for which I have the queries at the end.
Create Table: CREATE TABLE `food` (
`id` int(10) unsigned NOT NULL DEFAULT '0',
`page_no` int(11) DEFAULT ...
1
vote
1answer
219 views
Where is the MySQL variable - innodb_flush_method?
I would like to tweak the value of innodb_flush_method to find out its performance impact on a database server. That variable is listed when I run the command SHOW VARIABLES.
But I could not find it ...
0
votes
0answers
46 views
Mysql query is very slow
I am developing a website like any other social networking site using mysql.
I wish it give people suggestion to my users, and I have implemented this functionality in my application, but It is ...
0
votes
0answers
72 views
UPDATE / SELECT incredibly slow in MySQL InnoDB
I have 1 table with 2.5 billion records(2.5 Cr.) and I am trying to get count of records based on indexed column. it takes 115 seconds to execute same.
Query : Select count(1) from table1 where ...
0
votes
0answers
24 views
MySQL becomes unresponsive because user reached its OS quota
In CentOS 6.3/MySQL 5.1.67 I had an user that runs wordpress reaching its OS space quota (mostly files, the DB is less than 100Mb). When the user tried to create a post it triggered an [ERROR] ...
-4
votes
1answer
58 views
where can I get mysql-5.1.7.tar.gz or mysql-5.1.9.tar.gz? [closed]
I need mysql-5.1.7.tar.gz or mysql-5.1.9.tar.gz, but I can not find them anywhere, who can give me a link to find them, thank you very much!!!
0
votes
0answers
19 views
Maximum storage limit for mysql using Windows 7 ,32 bit NTFS system? [duplicate]
I would like to know the maximum size limit for mysql server running in windows 7,32 bit NTFS System.I have 8 tables
1
vote
1answer
79 views
Is it okay to have different lower_case_table_names value on master and slave?
I have a OSX MySQL master with lower_case_table_names set to 2. I have just setup a Linux MySQL slave with lower_case_table_names=1.
I haven't started replication on the slave, but everything looks ...
0
votes
0answers
47 views
Returning multiple resultset from the same table
i am working with mysql procedure. final result set i have got in to one table.
now i need to return for each set i need to return the value.
example:
like this is contents in my the table.
i need ...