The discipline of Operational and Architectural Management of Database Systems.

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2answers
588 views

Generic SQL Job Scheduler for multiple RDBMS's?

I have been searching for an answer to this, but can't seem to find anything. So my problem is this - we have an environment with MS SQL Server 2008, MySQL, and RedShift, and have some complex ...
0
votes
1answer
129 views

Rotate Postgres log at 5GB

How to make postgres 9.1 log to have maximum size 5GB and to be circle when comes to 5GB ? At the moment my log file is over 500GB. /var/lib/postgres/
3
votes
2answers
600 views

Autogrowth, shrink and database performance

I have already asked some questions about Autogrowth and shrink. But I have some doubts related to it. 1)I have a database which grows about 300 MB every month. So is it best to set Autogrowth of 300 ...
1
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1answer
1k views

Autoclose property resets to true after attaching db even if model is set to false

I am using SQL Server Express 2008 R2. The auto close property of a newly created database will be set to value same as model db. In my case I have set autoclose to false for model so that when I ...
2
votes
1answer
222 views

MS Access + SQL Server for 1160 users - Is it worth it? (Please Help!) [closed]

Our school in Delhi (India) wants to develop a professional and robust in-house database (SIS) that should handle vast amount of student information, including admissions, registration, re-enrollment, ...
0
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0answers
538 views

Can't connect to local Postgres databases

After trying to install Postgres using Postgres.app and EnterpriseDB, I decided to re-install it using Homebrew (As I got some problems connecting to database). PYTHON=/usr/local/bin/python brew ...
-1
votes
3answers
372 views

Recovering Oracle Database using RMAN [closed]

I am an accidental DBA..I have to restore an oracle database using RMAN utility. I don't know anything about backups and restoration and this is my first assigned task. Are there any good forum(s) ...
5
votes
2answers
8k views

mysql multi threading for a single query

I have big db of size 8GB and having 9 million contacts in this db. When we try to retrieve all contacts, it takes nearly 1 or 2 hour (in some cases result in timeout) to retreive all contacts for the ...
8
votes
3answers
4k views

Is there an Open Source Metadata Management Solution? [closed]

Is there an Open Source Metadata Management Solution? I'd like to create a Metadata Repository that will hold the details of the metadata of database schemas, tables and data items of hundreds of ...
0
votes
0answers
9 views

Multiple requests shut down MySQL [duplicate]

I have some problems with my MySQL database. I configured a server with the database and other services (apache, php) and put run multiple applications. There are two problems: Every day at the ...
28
votes
5answers
46k views

How do I shrink all files quickly for all databases?

In SQL Server (2008 in this case) how can I quickly shrink all the files, both log and data, for all databases on an instance? I could go through SSMS and right click each and choose Tasks -> Shrink, ...
1
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1answer
449 views

sql server database size shown different in properties pane

while monitoring when checking database space used,my favorites are use indexinternals sp_spaceused select (sum(size)*8)/1024 as size From sys.master_files where name like 'indexinternals%' ...
2
votes
3answers
122 views

MS SQL Server instance name

Quick question guys! Will there be any issues if I use the default instance (MSSQLSERVER) for both test and production environments? They are on separate physical servers. I'm using MS SQL Server ...
6
votes
1answer
1k views

Better to use a RANGE RIGHT or RANGE LEFT Partition Scheme

I'd like to know if it is better to use a RANGE RIGHT partition scheme or a RANGE LEFT partition scheme? Is one of these options by default a better choice, or is it heavily dependent on the actual ...
0
votes
2answers
1k views

Getting table definitions on the command line in MySQL [closed]

I am new to MySQL. I am trying to get table definitions from the database server (4.0.26). I tried below steps to get information, running cmd as an administrator: c:\> cd mysql\bin\ ...
3
votes
2answers
3k views

Database consistency checker in postgresql

Are there any DBCC(Database consistency checker) commands in PostgreSQL? I could find SQL server DBCC commands but not for Postgres? I read that postgresql has inbuilt functionality of perfomance ...
4
votes
5answers
265 views

Does DBA need (a read) access to virtualization infrastructure? And why?

I am in charge of monitoring, troubleshooting, tuning and optimizing a few dozens production SQL Servers 2008 R2/2012 in my company that are being run inside VMWare virtual machines. I've requested ...
1
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0answers
145 views

Best practices for ranking records in flexible way

Suppose we have 10000 records of any product. User search on our website with his given criteria. so we output search results based on given criteria. Now Admin want to rank products in search. so ...
2
votes
1answer
5k 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
votes
0answers
557 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 ...
0
votes
3answers
119 views

Applying data changes from one database to another

I have an application running on Oracle 9i database and I was looking for something more practical to deploy data changes (not schema changes) from the development database to production. Currently I ...
1
vote
1answer
62 views

How to document an archived database? [closed]

You've stored the backup file in a safe place, but what kind of info do you store with it? database type (SQL Server) compatibility level (SQL Server 2008) application name application owner ...
2
votes
4answers
940 views

Tool to monitor database data

I would like to tool that when record data changed inside all tables. so later i would get a report like table user added record - 3,user3.. deleted record - 2,user2..
2
votes
0answers
1k views

Analyzing MySQL crash due to corrupt InnoDB page. Failed page checksum

Lately we have been pestered by infrequent sporadic database crashes on one of our MySQL instances. Each time it is due to a failed page checksum. It happens on a specific database but spans multiple ...
1
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2answers
2k views

High Disk I/0 Issues

Our database has been giving this error occassionally... "Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. ---> ...
2
votes
2answers
528 views

How can I prevent users from overwriting databases when restoring?

I don't want users to restore (with overwrite) on some specific databases. How can I inhibit from restoring over these databases?
1
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1answer
168 views

addition in datetime column during insertion in mysql

i have a table with below 5 columns..timestamp is data type for timedate related column : Region event_time start_time mid_time end_time India 2013-11-03 13:00:00 America ...
0
votes
0answers
158 views

Can maintenance plans be used in SQL Server multiserver (Master-Target servers) administration?

Since I failed to configure SQL Server 2012 Multiserver (Master and Target Servers) administration, I am eager to understand whether it (setting Master and Target servers) would permit to send from ...
0
votes
0answers
35 views

How to install SQL Server 2008 R2 [closed]

My installation is completed, but no instance in not loading (I am on my service account). Show only .in for more browser. Not loading my instance in the database engine. Everything is completely ...
0
votes
1answer
80 views

What's the point in mapping users in SQL Server Data Collection?

In SQL Server 2012 R2 Enterprise, whenever I check Management\Data Collection, right-click --> Configure Management Data Warehouse , I see whatever users-accounts-logins except the one I am logged in ...
0
votes
1answer
122 views

Disk I/O High Activity [closed]

What does the green and blue indicate from the below scrteenshots of disk activity on SQL Server database server? Thanks!
2
votes
2answers
4k 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 ...
0
votes
2answers
3k views

Updating an indexed column performance impact in SQL server

I am trying to understand is there any performance impact if I am trying to update a column which is the key column of a non-clustered index in SQL server 2008? For e,g I have a column IsActive in ...
-1
votes
1answer
642 views

How can I detect which indexes are being rebuilt offline and how long?

The rebuild of indexes takes appr. the same 55 min. with both "Do not rebuild indexes and "Rebuild indexes offline" "For index types that do not support index rebuilds" with "Keep index online while ...
1
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2answers
77 views

What does enabling containment on server incur?

Having read in a book of Patrick LeBlank "Microsoft® SQL Server® 2012 Step by Step": "Benefits and limitations of contained databases As with most features, there are benefits and ...
0
votes
1answer
358 views

Which index types do not support online index rebuilds?

In SQL Server 2012 Enterprise Ed., which index types do not support online index rebuilds? and why? and which activity-operations can prevent online index rebuilds?
0
votes
1answer
1k views

What is blocking 'SELECT… WITH(NOLOCK)'?

While following BrentOzar's "How Much is Offline During an Index Rebuild?" I was curious to run: SELECT Quantity FROM [Production].[TransactionHistory] WITH(NOLOCK) while executing a rebuild ...
2
votes
1answer
3k 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 ...
0
votes
2answers
943 views

SQL Server 2012. Update second table based on input from first table

I have two tables in two databases: Table01 in Database01 and Table02 in Database02. Both tables have a column called UserID. The UserID column is created when the user creates a new account on the ...
14
votes
6answers
13k views

Are there any good and free tools for managing a PostgreSQL database? [closed]

Before, I have used phpmyadmin to manage an MySQL database, but now I would like to manage a PostgreSQL database. The PostgreSQL database is on a server, but not a webserver, so I don't use PHP. Are ...
2
votes
2answers
1k views

How to give the least permissions for CRUD-managing and running SQLServerAgent jobs as well as Maintenance Plans?

Follow up to my question "What's the owner of SqlServerAgent job for?" Basically, I am trying to understand how to create a user-login with least privileges for CRUD-maintaining SQLServerAgent jobs ...
1
vote
1answer
803 views

Why DBCC CHECKDB is multiple times in error log

I have an issue with dbcc checkdb command . In the errorlog file I find the dbcc checkdb command multiple time within the interval of 30-45 minutes. I have scheduled a job which grep keyword error ...
1
vote
3answers
198 views

Best practice to query administrative views for instance level elements

I want to query a monitor element at instance level (for example the memory used for the instance) via a query like this: SELECT MEMBER, MAX_MEMBER_MEM, CURRENT_MEMBER_MEM, PEAK_MEMBER_MEM FROM ...
1
vote
1answer
1k views

Connecting to a SQL Server database from a Flash program [closed]

I currently have the ability to utilize Microsoft SQL Server 2012. I am developing a project with Adobe Flash Builder 4.7. If I link my database with Adobe Flash Builder is there any additional ...
1
vote
3answers
6k views

Unable to mount oracle instance

I am trying to shutdown the system, then I want to mount it. I have tried this: SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. SQL> startup mount; ...
0
votes
2answers
82 views

moving database from old disk to new disk

I need to move a database from an old disk which is no longer bootable to a new bootable disk. I have been able to mount the old disk. Now I need to move the database from there to a new disk. Can ...
4
votes
1answer
1k views

Any way to send notifications to different Emails on success/failure of SqlServerAgent job?

SQL Server 2012 R2 on Windows Server 2008R2 Is there any way to send notifications to different Emails: on success of an Sql Server Agent job to one Email address and on failure - to another ? ...
0
votes
1answer
1k views

Oracle Character set identification

In the given export(Normal Export) log file i see following: Export done in WE8ISO8859P1 character set and AL16UTF16 NCHAR character set Is this multi-byte or single byte database char-set. Can you ...
1
vote
1answer
2k views

How to launch SQL Server Agent job on completion of another one?

An SQL Server Agent job (SSA) have to be executed after a few other SSA jobs. Is there any way to start SSA jobs on completion (or success, or failure) of another one? Currently, I do this on ...
2
votes
2answers
102 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 ...