Tagged Questions
2
votes
1answer
60 views
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
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
48 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 ...
2
votes
1answer
75 views
How can I disable utf8mb4 entirely on MySQL 5.5?
I know you're not supposed to do this, but I have a MySQL 5.5 master and a MySQL 5.1 replication slave. That's supposed to be okay, unless I do something stupid like use utf8mb4 that isn't supported ...
0
votes
3answers
446 views
Automatic MySQL Replication Fail-over Strategy
I want to know that if replication is down due to some reason as if master is down then what strategy should be followed so that the replication is up instantly without manually intervening the ...
1
vote
1answer
384 views
Retrieve double data type value in non exponential form
Is it possible to retrieve non-exponential value in double data type column? After the width of the column is increased to 15 it shows the values in exponential form.
Now I get the following:
...
5
votes
0answers
214 views
Migrating MySQL to new server
We have a MySQL 5.1 instance running on Windows Server 2008 R2 x64 (Server A) replicated to another MySQL 5.1 instance on Windows Server 2003 R2 (Server B).
We have a new MySQL 5.5 instance on ...
1
vote
1answer
209 views
MySQL Master-Slave Replication Cross Database
I am setting up Replication for cross Database as i have set 2 variables in Slave' s my.cnf as replicate-do-db=database_name and
Replicate-wild-do-table=database_name.% ,But i am not able to get ...
2
votes
2answers
3k views
innodb_flush_method=O_DIRECT vs O_DSYNC performance impact on ext3 with LVM disk partition
In one of my production environment, we have two instances running on a RedHat cluster, with one production instance associated with the cluster.
We have 125G main memory with 24G InnoDB buffer pool ...
2
votes
2answers
577 views
Can we assign mysql Key_buffer_size value for particular table?
In some documents I found that we can assign key_buffer_size to myisam table. This also includes the following steps:
SET GLOBAL myisam_table.key_buffer_size = 4194304;
CACHE INDEX test.myisam_table ...
6
votes
1answer
204 views
Why does Oracle keep working on MySQL 5.1
2 years ago the first version of Mysql 5.5 was released. What is the reason to continue working on MySQL 5.1 - the current release is Mysql 5.1.62
It looks like there are should be fundamental ...
1
vote
3answers
172 views
getting error while starting memecached service with ndb engine
i am installed memcached library by following the steps in the internet.
now there is a binary file created in bin folder of mysql
now i exicuting the command memcached i am getting error like this ...
