The discipline of Operational and Architectural Management of Database Systems.

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Script to see running jobs in SQL Server with Job Start Time

how to write script to see running jobs in SQL Server with Job Start Time? SELECT sj.name, sja.run_requested_date, CONVERT(VARCHAR(12), sja.stop_execution_date-sja.start_execution_date, 114) ...
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1answer
2k views

Cannot start psql with user postgres “Could not change directory to /home/user ”

I did a silly mistake. I wanted to set postgres permissions to a folder for exporting data from my database. So I set something like sudo chmod 777 -u postgres /home/user and then my home partition ...
2
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1answer
2k views

VS2012 setup spoils SQL Server 2012 Data Tools for everybody or just me?

On Windows 7 Prof I have installed SQL Server 2012 R2 with, as I am pretty well remember, client tools. Then, I tried to install Visual Studio 2013 Ultimate but failed. Then I've installed VS2012 ...
2
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1answer
2k views

Which user does Windows Authentication of a maintenance plan authenticate? before whom, why and for what?

I am having a maintenance plan configured with Windows Authentication being run by an SQL Server Agent job with owner sa Whom does Windows Authentication of a maintenance plan authenticate, ...
2
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1answer
21k views

How to grant all privileges on all tables in a schema to a user in IBM DB2?

At first place, I want to export database from IBM DB2 AIX into IBM DB2 windows. Unfortunately, I can't use BACKUP and RESTORE command because of difference OS issue. So I have to resort to db2move ...
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3answers
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Database Design Relationship for Patient Visit in MS Access

I am designing a database to store records for research purposes, and I am having trouble picturing how I can create a relational database based on the information I have. There are a total of 6 ...
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2answers
892 views

Create Oracle ASM Disks Without Installing Oracle

I have been asked to setup workstations (VMs) for an instructor's Oracle 11g R2 Workshop. I am finding the documentation that was downloaded from the Oracle Academy site extremely underwhelming. I am ...
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1answer
3k views

Is there a progress indicator for OPTIMIZE TABLE progress?

MySQL 5.1.4x (Windows) | Innodb I recently purged data from a mySQL DB (a few hundred thousand rows) and I'm planning to use OPTIMIZE TABLE LOGTABLEFOO1,LOGTABLEFOO2,LOGTABLEFOO3; to reduce the ...
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2answers
95 views

Searching transaction logs for changes

I currently have a database with an attached CMS. The CMS has about 50+ people with various permission levels that can log in etc... I would like to know if there is a way I can look at the ...
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1answer
4k views

What is the best database design for multi-language data?

I am designing a multi-language database for a piece of software with the following features: data used in every country differs from other countries data used in every country will be in 2 ...
2
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1answer
281 views

How to recover SA account password without restoring it?

I forgot my SA password and resetting the password is out of the question because internal applications are using it and will will affect them. I also don't have an option to change the SA credentials ...
2
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1answer
1k views

How to upgrade MySQL to a New version..?

I have installed mysql using the package management system.I am using ubuntu machine. After that i have very well configured the server for InnoDB and other server related parameters. I am using the ...
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1answer
708 views

BACKUP and RESTORE MySQL Database

I have very specific question. I have seen the instructions on how to backup and restore mysql database using SSH but they barely explain the process when backing up on one server and restoring on ...
2
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1answer
1k views

MySQL : “FLUSH TABLES WITH READ LOCK” started automatically

I would like to understand how this happened. I was running a query that would take a long time, but should not lock up any table. However, my dbs were practically down - it seems like it was being ...
2
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1answer
72 views

Is data warehouse monitoring same as database monitoring? [closed]

I have a requirement, where data warehouse population is to be monitored. I am in confusion, and needed a clear picture. Is data warehouse different than database? eg. For monitoring database we ...
2
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2answers
251 views

MySQL user without SUPER privilege

This may be a simple question and may not be the right place to ask but I couldn't find any useful information from Google. Here is my question. When creating users in mysql using grant all ...
2
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1answer
48 views

How can I enable logging for a single function in PostgreSQL?

I want to log the whole function runtime for a single particular function in PostgreSQL? Is this possible? The value of log_min_duration_statement = 3000 in postgresql.conf and I've tried to do: ...
2
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1answer
115 views

What are these files in MongoDB?

I was looking into my server and I found this: [root@host ~]# cd /var/lib/mongo/journal/ [root@host journal]# ls -lh total 3.1G -rw-------. 1 mongod mongod 1.0G Apr 7 01:18 j._0 -rw-------. 1 mongod ...
2
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1answer
343 views

Is there any way MySQL can list relationship cardinality between two entities?

I am working on the project where I have to analyse the MySQL schema. As a part of schema information, I want to list down relationship cardinality between different relations. Does MySQL stores ...
2
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1answer
298 views

db2 performance issue - large number of IOPS how to determine problem?

DB2 database is on storage. We are using 9.7 Storage administrators reported that today database was doing 5000 IOPS (during past days average number was 300 IOPS). Those are disk operations from ...
2
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2answers
3k views

Unable to access sql database with login and password [closed]

I'm writing Windows Service in C# and inside of it I'm unable to connect to the database. This is the question I've asked recently: SqlException: Cannot open database "path\db.mdf" requested by the ...
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2answers
2k views

Database design for an E-commerce website

I am new to database design. I am designing a database for an E-commerce website, there are a lot of products to be updated, but while designing for product specification table I do not understand ...
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1answer
8k views

unable to login oracle as sysdba

I just got 11gR2 running and was able to conn as sysdba. I shutdown and started up the database to mount a new pfile. Now, I cannot login as sysdba. My parameter for password file is: ...
2
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1answer
187 views

How can I rename a table, but also all FK etc. references to that table?

I would like to e.g. rename my Applicant table to ApplicantProfile, as applicant is an abstract entity that has a profile. The profile is not the applicant. Simply renaming the table is hopelessly ...
2
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1answer
374 views

Assertion failure from InnoDB while restoring using Innobackupex

I thought I would give back to all those people who help me when I have a problem. This might be something old, but I did not find it anywhere so here goes: We recently upgraded our production DBs ...
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2answers
427 views

Help with Vehicle Service database

I am using the Desktop Vehicle Maintenance template in access, but i am trying to cater it towards our farms needs. We will be keeping track of the service's done on Trucks, Tractors, Equipment, etc. ...
2
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1answer
178 views

database connection time expired issue

I have a server machine and four client machine for database connectivity. I installed sqlexpress 2008 in server and one machine and all remaining systems, they have connected the database through ...
2
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1answer
237 views

User Rights - Database Security

I am having following scenarios and i am having some issues and some questions. We have a DB Server on which we have some databases in these 2(two databases) are for my users. Now i have created 2 ...
2
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1answer
424 views

How to prevent high memory, CPU and time consumption by MySQL restore?

I have a local test machine with 2 GB RAM and a dual core processor. I imported a dump on that using mysql -uuser -psecret < script.sql script.sql is a 700 MB file which contains a single ...
2
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1answer
440 views

PostgreSQL archive_command on Windows

What is the best method for WAL log transfer on Windows? I have two servers with Windows Server 2008, PostgreSQL 9.0 64bit. Servers do not have any shared SAN disk, they are on different hosts, ...
2
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1answer
3k views

Cannot browse for Backup files using SSMS [duplicate]

I'm facing a strange problem. When I try to backup or restore any database using a SQL Server user (not sa) that belongs only to "public" server role, i have the following error when i click the ...
2
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1answer
2k views

Error restoring SQL differential database files

Occasionally I'm having problems restoring DB differentials. I'm getting the error "the differential backup cannot be restored because the database has not been restored to correct earlier state." ...
2
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1answer
678 views

Pgpool-II: sequences advanced by 1 after PITR recovery

I have tested pgpool-II 3.0.1 and pgpool 3.0.4, PostgreSQL 8.4 In both cases I'm getting the same result: after online recovery on primary and target nodes all 'serial' values got "+1". Other nodes ...
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0answers
61 views

Exclude a User From an Audit

I need to set up a SQL Server audit to capture all database activity for all logins except one - the login our application runs under. In this case the login I want to exclude is CPSDOM\cpointedb. In ...
2
votes
1answer
69 views

What is the best storing device for DB transaction log?

I'm using MySQL with InnoDB storing engine. Transactional log is placed to dedicated HDD. Still as it is HDD atopsar shows big load (>50%) to this HDD because of big amount of small IOs (about 50 ...
2
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1answer
2k views

Error Code: 1133. Can't find any matching row in the user table

Im reading O'Relly "Learning MySQL" and it says that you can create a user in MySQL by doing just this: mysql> GRANT ALL ON *.* TO 'jill'@'%.invyhome.com' IDENTIFIED BY 'the_password'; Query OK, 0 ...
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0answers
108 views

How to make PostgreSQL default_tablespace work properly?

My question is, "Why isn't database 'screwy' created in tablespace 'screwy'? I made the following script, with it's output following, to show the problem I am having : #!/bin/bash # export ...
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0answers
285 views

Recover innodb database from ibdata1 and *.frm files only

I have a problem on my server. I had a hard disk error on my server, and I restarted it. After that, I started wamp server software, but mysql services were not started. I checked all mysql data, ...
2
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0answers
104 views

Should I use SQL Azure to store product descriptions and links to images in Azure Blob

For an html/Css/JQuery public Azure website to be coded using Zurb Foundation html5 responsive framework, I'd like to use SQL Azure (web edition) to store product descriptions and links to images that ...
2
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0answers
308 views

IBM DB2 Command line Window - Administrator disappears on windows server 2008 r2?

I have installed IBM DB2 version 10 on windows server 2008 r2 machine. However i am unable to open it's command line window. For example: Whenever i try to open Command Windows - Administrator it ...
2
votes
1answer
5k views

How to diagnose what is causing DB timeouts [closed]

I'm a web developer which currently has the joy of managing a client website that is still using Classic ASP that uses SQL Server 2000. The code is quite old and in the process of been updated to a ...
2
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0answers
161 views

How to give permissions to 90+ SQL Servers without tweaking in each of them?

There are over 90+ MS SQL Servers (SQL Server 2005, 2008 and 2012). All in the same Windows domain (but physically all over the world). How to give a domain user (administrative, or other) ...
2
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1answer
936 views

SQL Server 2008 R2 cluster installation error

I was trying to install SQL Server Cluster (Launch wiard to install single node SQL Server 2008 R2 faliover cluster) .. The setup checks displayed no error and the installation started after all the ...
2
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0answers
101 views

How to calculate the ratio insert/select against a table to manage the index in Sybase ASE?

To create/manage indexes of a table, it is important to know the ratio insert/select or modification/reporting. For instance, if there are more INSERTS than SELECT against a table, we should try to ...
2
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0answers
212 views

How to execute a non-table-locking update operation on PostgreSQL? [closed]

Looking for a good way to update the value on a column for all the rows in a database (not huge, but big enough - about 10M records), without locking the whole table, so operations can continue while ...
2
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0answers
401 views

How to properly configure pgBouncer transaction level pooling?

What is a good way to determine the number of available transaction connections when using pgBouncer to pool database connections? Also, how should I determine the number of max_connections and ...
2
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1answer
627 views

How to grant permission for am administrator account in SQL Server 2012? [closed]

I installed SQL Server 2012 on my laptop. I am trying to run a script to create a simple database. SQL Server version: 11.0.3128 SSMS starting parameters: server type: database engine server name: ...
2
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1answer
638 views

MySQL specific database configuration file

In MySQL's configuration file I've globally disabled autocommit as so. [mysqld] autocommit=0 I need to turn MySQL's autocommit on for a specific Ruby on Rails database though. It could be for the ...
2
votes
1answer
123 views

Tools and methodologies to keep to DBs aligned [closed]

2 DBs having schemas that represent the same semantic objects. The first one is production DB (Non-RDBMS, in-house implemented in-memory DB with shitload of RAM). Other is Postgres. Once in a while ...
2
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1answer
1k views

Mysql - show results from 3 tables excluding NULL or EMPTY values for certain fields

I have 3 simple tables with polls, users and votes. I'd like to show all polls ordered by clean count of votes (sometimes either poll_id or user_id don't get inserted). Furthermore I'd like to show ...