The choice of settings for hardware, firmware, software or other components of a database system.

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Can't connect to/from SQL Server 2008 from my Windows 2008 server

I have a server with: Windows 2008 Server SQL Server 2008 enterprise From my server using SQL Server Management Studio, I can't logon to any SQL Server and vice verse, I can't connect to my SQL ...
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1answer
37 views

Mathematical or Computing Alternatives for MySQL Combination Queries operating toward their Performance Limit

We regularly run a contest that is becoming quite popular. In the contest, we need to select the combinations of contestants from 8 groups whose cost is under a threshold, and who combined have the ...
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1answer
542 views

How to set bytea_output to hex?

I cannot seem to change bytea_output to hex. I have tried this method: ALTER DATABASE dbname SET bytea_output TO 'hex'; I have tried to edit postgresql.conf bytea_output = 'hex' and restarted ...
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1answer
423 views

Can you see other users' session variables in MySQL?

In MySQL, Using SHOW GLOBAL VARIABLES gives the ability to see global variables. SHOW SESSION VARIABLES are the variable settings for that session. Is there a way to see the SESSION variables of ...
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2answers
89 views

Changing the SQL Server service account - any additional considerations?

I have inherited a few instances that are running under LocalSystem. I need to change this to a domain account as we are changing our backup strategy to go to a network share and then to tape and I ...
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2answers
3k views

Create database fails with Microsoft SQL Server Error 5133, Operating syste, error 5 (Access is denied) [closed]

I just installed SQL server 2012 on Windows 2012 today. After the install, I changed the database settings to create database files in f:\mssql instead of the default. i verified the confired and ...
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0answers
34 views

SSIS 2008 Connection Managers (Project Specific) and Corresponding Configurations

These are the requirements that I want to complete: a. I want the package to only use connection managers that are project/not package bound. b. I also want these connections to be bound to the ssis ...
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2k views

Troubleshooting a SQL Server instance that won't start

I've had a problem with one instance of SQL Server 2008 (the free version) not starting automatically. I always have to right click on the icon in the task bar and start it manually. It is set to ...
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2answers
216 views

Multiple database servers for performance vs failover

If I have two database servers, and I am looking for maximum performance vs high-availability, what configuration would be best? Assuming the architecture is two load-balanced web/app servers in ...
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0answers
42 views

Is there a canonical list of MySQL defaults which should be changed

I'm setting up a new mysql server as we're building a new app at work. Most of the developers/operations guys are familiar with mysql. Many of mysql's settings (eg strict mode) are set badly by ...
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467 views

How to customize Place Order Functionality In Magento? [closed]

In Magento, when any customer buys product from front-end, then at last customer goes through order placing. According to my need, I have created one CUSTOM TABLE in Magento database. So my ...
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1answer
58 views

What are the compelling resons to update SQL Server name to a real one after its changing?

Took the job of monitoring and tuning a few dozens SQL Server 2012 Enterprise Ed. SP1 (64 bit) on Windows Server 2008 R2 Standard Ed. running inside virtual machines. All of them on running ...
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1answer
100 views

Config settings in MySQL so that it saves data on disk monthwise/yearwise

I have billions of rows in my MySQL table. So when I do a select for a specific date range , it takes minutes to return results, or sometimes even hangs up. Is there any config settings in MySQL so ...
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1answer
96 views

MongoDB - temporarily turn shard to standalone for local user creation

Following question Mongodb sharded cluster backup user issue I have a sharded mongodb cluster, with 4 shards, and I'm required to stop the mongod service on each shard, and start it not as a part of ...
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1answer
123 views

How to set isolation to SERIALIZABLE DEFERRABLE for a whole Postgresql database? [closed]

I think read somewhere that it was possible to configure a Postgresql database to force all transactions to be SERIALIZABLE, but I can't find that document anymore. In fact, I would like to force the ...
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2answers
2k views

My.cnf with 64GB RAM

May the following my.cnf file be fine for a dedicated server with 64GB of RAM (on Debian)? I'm running just one website on the server and on high load data insert in some table takes centuries...it ...
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1answer
257 views

How can lots of ram (128 GB) be used to improve MySQL 5.5 index creation?

This is similar to another post of mine, but now I have a different table structure, and it's still unclear what MySQL parameters should be changed to take advantage of the extra ram my machine ...
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2answers
773 views

Oracle database uses wrong parameter file

When I try to startup my Oracle database I get the following error: LRM-00109: could not open parameter file '/opt/app/oracle/product/11.2.0/db_1/dbs/initjicdbaex.ora' The /dbs directory in my ...
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1answer
108 views

New Database vs New Table for User Registrations

Here's an example, there is this application that completes a task (mostly data-enrty stuff). Users can sign-up on a website to begin using the application straight away. At the moment, I was looking ...
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1answer
292 views

Why doesn't more memory necessarily make Postgres more performant?

The Postgres resource consumption docs state, under the shared_buffers: ...it is unlikely that an allocation of more than 40% of RAM to shared_buffers will work better than a smaller amount. Why ...
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1answer
1k views

Centos 6.2 mysql configuration file help

I have a new centos 6.2 setup. Below is the configuration file. The machine is going to be fully innodb and it had 8Gb ram. What else must I include in the .cnf? [mysqld] datadir=/var/lib/mysql ...
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1answer
13 views

SQL Server Service's Log On As account

I just inherited a set of new servers and whoever set them up left the "Log On As" account as the default "NT Service\MSSQLSERVER". I'd like to change that over to an Active Directory service name. I ...
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1answer
35 views

Help with MySQL my.cnf config

So I'm running MySQL on a high availability cluster with the MySQL data directory on a GlusterFS. I want to: - Disable the query cache (--query-cache-size=0) - Switch on external locking ...
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1answer
24 views

How to add setParameter in mongod config?

When I am using setParameter in mongod config, I start mongod with error: Unrecognized option: setParameter = enableLocalhostAuthBypass=1 How can I use setParameter from config file ? P/S: I am ...
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1answer
15 views

Error on mongos server

Firstly,I am new to mongodb. when we executed the below command on mongos server. /usr/bin/mongos --configdb X.X.X.1:20001,X.X.X.2:20002,X.X.X.3:20003 --port 27017 --chunkSize 1 we are getting the ...
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1answer
57 views

Mysql Server 5.6 Mysqld high memory consumption

I have MySQL Server 5.6 installed in a development machine with these specs: RAM: 4 GB Windows 7 Professional 64 bits Intel Pentium CPU G630 @ 2.70 GHZ Since I installed the MySQL Server, the ...
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1answer
49 views

Clarification on MySQL Workbench Options File Configuring

When in the MySQL Workbench tool, configuring the "Options File," I see a drop-down in the lower right corner with the options: client mysql mysqld By default, 'mysqld' is selected and I see my ...
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1answer
193 views

MySQL: How to clean MySQL from RHEL5?

I have installed MySQL 5.1.73 community edition through RPM. It was working fine. I uninstalled this version by using yum remove mysql-server command. I wanted to upgrade MySQL from 5.1.73 to 5.6.19 ...
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2answers
669 views

When should I NOT set the Maximum Server Memory option in SQL Server?

In SQL Server, I normally set the Maximum Server Memory setting to one of the popular best practices, such as leaving 10% or 4GB, whichever is higher. ...
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1answer
306 views

Difference between [mysql] and [mysqld] in MySQL configuration file

There are multiple sections in MySQL configuration file: [mysql] [mysqld] [myisamchk] [mysqld_safe] [mysqlhotcopy] [mysqldump] [client] I found that same variables with different values have ...
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1answer
54 views

Database Configuration In DB2 and Oracle

what is the equivalent in Oracle for these field (taken from DB2)? Interval for checking deadlock (ms) (DLCHKTIME) Lock timeout (sec) (LOCKTIMEOUT) Thanks,
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1answer
10k views

OpenRowSet - How to configure OLE DB Provider to be used for for distributed queries

I have an Excel file with data and would like to update a table in database based on the data the Excel file contains. To do that I want to use OpenRowSet command. But I get the error below when even ...
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2answers
5k views

Can't backup a Postgres database: FATAL: Peer authentication failed for user “postgres”

I can connect to my database no problem remotely, either from PHP scripts on our webserver or using PGAdmin3. Unfortunately, when I try to run pg_dump backups locally on the server itself, I get: ...
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1answer
158 views

Does failed task considered to be run to completion in SQL Server maintenance plan terminology?

The replies to my previous question: "How to specify a SQL Server maintenance plan subtask to run unconditionally on success or failure of preceding tasks?" answered me that I should change ...
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2answers
1k views

MySQL Cluster - Table is full [Error 1114] while still creating tables

I am trying to forward engineer a MySQL Workbench model with about 100 tables to a development single-node cluster and, while creating the 51th table, I end up getting a "1114 table is full" error, ...
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1answer
375 views

MySql - set my.cnf location at server start

I want to have two MySql servers running on the same system (for master-slave replication tests purposes). To be able to do this I need both servers read different my.cnf files. As I see at startup ...
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1answer
801 views

Length of LOB data (%1) to be replicated exceeds configured maximum %2

We recently hit this error shortly after enabling replication on a table. Length of LOB data (%1) to be replicated exceeds configured maximum %2 I've found solutions to this problem already: ...
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1answer
1k views

Cannot Login after configure oracle-xe [closed]

I already success install oracle-xe on my ubuntu 10-04, tried to configure the port and password sudo /etc/init.d/oracle-xe configure, and then restart my computer and go to http://127.0.0.1:8080/apex ...
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6 views

Mariadb on Centos 7 not changing max connections based on my.cnf

The following configuration in my.cnf is not being followed. Max_connections go back to 151. please help as i have 16gb of dedicated ram that i would like to use properly. [mysqld] ...
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29 views

Why mongod said “note: noprealloc may hurt performance in many applications”?

I just start mongod with config file: mongod -f /etc/mongod.conf In /etc/mongod.conf, I set storage.preallocDataFiles=true This is a part of config: storage: dbPath: "/data/db" ...
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0answers
28 views

What should be the ideal network configuration for a Postgresql Streanming Replication and PgPool HA setup

I have the following configuration using Pgpool, Postgresql with streaming replication. Pgpool is used for load balancing and automatic failover. .-----. .--------. | | ...
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26 views

Required Information to start oracle warehouse builder

I am using windows 8 64 bit . I want to install Oracle Warehouse Builder on my system. I have installed Oracle 11g and come to know that Warehouse Builder is already a part of it. But when I start ...
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0answers
53 views

pgpool authentication failed when use syslog in log_destination

When I configure in pgpool.conf file: log_destination = 'stderr' pgpool run ok, but when I use this configuration: log_destination = 'syslog' I get this error: pgpool pgpool[21477]: pcp_child: ...
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0answers
41 views

MySQL Enterprise Monitor - Query Analyzer configuration problem

I'm using MySQL 5.1.69. protocol_version 10 version 5.1.69-log version_compile_os redhat-linux-gnu I have a problem with configuration/using MySQL ENTERPRISE MONITOR. I don't see data in ...
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40 views

Using Configuration Management for DBA tasks?

We have a couple of Postgres 9.3 database servers in our system, all of them with their respective config files, databases, roles, role groups, permissions on schema/tables, extensions etc. We use ...
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1answer
40 views

Moved database (percona mysql) to larger disk, now everything is missing (though the files exist)

I dont know anything about databases or MySQL beyond the absolute basics so lets start with that. I moved the /var/lib/mysql from the / to a mounted volume which I remounted as /var/lib/mysql after ...
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37 views

Optimal config for a small vserver with ispconfig

I have a vserver with debian wheezy, 1GHz CPU single core, 512MB RAM and only 8GB HDD. Owncloud is running, but has its own database-engine How should I configure Mysql so it doesn't slow down the ...
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0answers
47 views

VM SQL Data and Log drives have one Block Size, SAN another. Issues?

Setting up a new SQL VM. What happens if VM data and log drives have 64K (recommended) block size but SAN (IBM DS3500 Express) was configured with a different block size? I want to avoid IO issues ...
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0answers
62 views

SQL Server Data access does not connect unless we provide the port number

I have configured SQL Server 2008 R2 named instance on Windows Server 2008 R2 to listen to only one IP,1433. Some Office 2010 clients are trying to connect using the external data to SQL Server using ...
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0answers
50 views

SQL Server Configuration.ini File. SSIS Data Required?

I am planning a new SQL Server installation based of the settings from a previous installation on another server. I am using the Configuration.ini file. Since SSIS is not required can I exclude the ...