The discipline of Operational and Architectural Management of Database Systems.

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2
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1answer
83 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 ...
0
votes
1answer
35 views

How to know DB user?

I do use PL-SQL developer tool. I used to log in by using Prodcollops as user name to access database. May I know whether my DB user is same as prodcollops or it just a log in name?
3
votes
1answer
143 views

Why is the “The package can not be saved to the file system since its protection level is server storage” error?

When I execute dtutil /sourceserver localhost /SQL "\Maintenance Plans\MaintenancePlan_daily" /copy file;.\MaintenancePlan_daily.dtsx from the answer to my question "Any way to ...
2
votes
0answers
13 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 ...
1
vote
0answers
11 views

Importing a different character set export dump into another DB instance

I am trying to import a given dump file using oracle imp utility. However; I am facing the following issues. C:\Users\AD>imp DB_USER/*****@dev1 file=C:\test\db42312.dmp log=C:\test\import2.log ...
0
votes
2answers
994 views

Secure Linked Server - Non privledged user possible? Registry corruption?

Is it possible to use a non privledged Windows domain account to impersonate itself in a linked server? And why would it be unable to read the registry for available network protocols? Overview: ...
2
votes
1answer
65 views

SQL Server - Data and Log Separation

We have a SQL Server 2008 R2 which has, among others, a 12K RPM HDD and a 7.2K RPM HDD. The original intention was to store the data files on the 12K drive and the log files on the 7.2K drive, as is ...
1
vote
2answers
194 views

MySql InnoDB tables are missing after restarting

I had a MySql database with a few InnoDB tables. After restarting the server, and starting MySql Server again, I connected to the MySql Server using MySql Workbench, and couldn't see the database at ...
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2answers
102 views

DB2 db2fm proccess

Server is been up for 365 days, however i got some weird repeated procceses. Are these normal? ps -fea | grep db2fm db2inst1 643284 229516 29 May 25 - 212564:06 ...
0
votes
1answer
25 views

Update table from calculated temporary table

I have two tables, one containing a set of user ID's, vote direction (-1 or 1) and ID of the object they voted on (casted votes table). In the other table, the object id, upvotes, downvotes and ...
0
votes
1answer
16 views

Moving the IBM Informix IFMXDATA directory to another machine

I'm a total newbie when it comes to Informix DBs, and I'm stuck with what looks like files that contain an Informix database. I'd like to know if it's possible to add or import these files into an ...
0
votes
2answers
34 views

Mysql 5.5.25 must be restarted to connect

We have MySQL v5.5.25 running on Windows Server 2008 R2. Occasionally people are unable to connect, and the only way we have found to fix this is to restart the mysql service. This happens every 2-3 ...
1
vote
3answers
21 views

How can I enter Mongo as a superuser or reset users?

I'm was playing around with permissions and locked myself out of Mongo database. I'm pretty sure I did this by trying to explicitly add access to a database but instead I overwrote only allowing ...
0
votes
3answers
63 views

SQL Server Facets: “Linked Server” exist but “Registered Server” doesn't - why?

I'd like to monitor multiple SQL Server instances. Something similar to what is described in "Monitor Your SQL Server Linked Server Configurations with Policy Based Management" but instead of using ...
2
votes
1answer
39 views

Recovering a partial PostgreSQL archive

I have $PGDATA/base but nothing else. It was taken from an installation after the postgreSQL service was shutdown, so is clean. Is there any way to recreate the other elements in $PGDATA that allow ...
0
votes
1answer
849 views

Oracle 11g increasing shared pool size and java pool size

i need to install/configure oracle jvm on 11g. to be able to install same i need to increase the size of shared_pool_size and java_pool_size. i have automatic memory management enabled. my ...
1
vote
1answer
42 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 ...
1
vote
1answer
185 views

SQL SERVER : CANNOT GRANT EXECUTE ON TO STORED PROCEDURE

When i try GRANT EXECUTE ON SP_NAME TO [DOMAIN\USER_NAME] on my database, I'm getting the error message below: Msg 8115, Level 16, State 1, Procedure grant_safety, Line 5 Arithmetic overflow error ...
1
vote
1answer
51 views

SQL Server 2012 Compatibility

I'm converting some stuff over to be compatible with SQL Server 2012 and had a couple of questions. I'm taking out all of the sp_dboption commands and making them ALTER commands instead, but there ...
1
vote
1answer
23 views

Remove single quotes from db2 column name

I have following query which i am trying to execute against db2 database server SELECT REPLACE('\'abc\'','\'','') FROM TN_DAY_PROCESS I am expecting the output like abc without single quotes from ...
0
votes
1answer
84 views

InnoDB Failure of some kind

I have MySQL 5.5 installed. I tried to install Joolma but it failed. I went into their sql and replace EGNINE=InnoDB with MyISAM and the install worked. InnoDB is listed under SHOW ENGINES; Any idea ...
0
votes
1answer
42 views

Large RAM use after import database - ubuntu server

My new vps has 4 GB of RAM. Before importing database system use about 1,2 GB of RAM. When I import database, about 250 MB sql file, 25000 tables use of RAM goes to 97%. Htop showing 3302 mb in cache. ...
0
votes
1answer
38 views

how many 'text' column a table could have in mysql? I have this error “Row size too large (> 8126).”

I'm working on a application which is kinda complex to explain how it works. But this is the situation I'm in, ------------------------------------------------------------------------------ FIELD1 ...
0
votes
1answer
52 views

Does redundancy exists in this table?

I'm studying a DB course and I found this table: In this exercise, the objective is to determine whether the table has redundancy or not. According to the definition of redundancy Data ...
0
votes
1answer
20 views

Pentaho 4.4 Database connectivity issue

I am getting the following in one of my transformations. I am trying to extract data from SQL server and pushing to mongodb. 2014/04/03 13:11:10 - EMPLOYEE TABLE Input.0 - linenr 700000 2014/04/03 ...
0
votes
1answer
868 views

Plugin 'FEDERATED' is disabled

Im trying to start Mysql using easyPHP : the response is an alert window to a log file. The main error is <-- Plugin 'FEDERATED' is disabled -->. Through my research on internet i found that the ...
0
votes
0answers
35 views

Oracle Enterprise Manger not working correctly

I'm not familiar with oracle management. The problem is when I try to connect to the enterprise manager through the Web browser I get this error: Where to find the log file to see what's the ...
0
votes
2answers
258 views

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

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 ...
1
vote
1answer
362 views

How to diagnose what is causing DB timeouts

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 ...
0
votes
0answers
16 views

Create replication sql server for DWH [closed]

I have a DWH and I need to make an update once a day from STG Database to DWH I need use replication in SQL SERVER, How I do this?
0
votes
1answer
49 views

SQL Server 2012 T-SQL Health Check Script / Stored Proc [closed]

I'm hoping not to re-invent the wheel. I was looking for a routine server side health check script(s) / Stored Proc(s) for SQL Server 2008+ hoping they work on 2012 that provide information in ...
1
vote
0answers
21 views

Truncating Table Partitions Containing Data and Global Indexes

I have to truncate a partition (392,000 records) of a table with 20.000.000 records. At the moment, I'm making a truncate table and rebuilding indexes. But the table has 37 indexes and it takes 20 ...
0
votes
2answers
682 views

How to delete the remote files older than N days on schedule from SQL Server 2012 (with SqlServerAgent job)?

Struggling to execute PowerShell commands in SqlServer Agent job of MS SQL Server 2012 R2 (Windows Server 2008R2, Windows 7 Prof) I need to delete (.bak files older, than, say, 7 days in remote ...
4
votes
1answer
1k views

How do you find home information for Oracle RAC on Unix?

Need help finding Oracle home path corresponding to a database instance in RAC environment. I am aware of few of the ways to achieve the same. Listing them below to avoid the same answers. ...
0
votes
0answers
32 views

How το find last time database was accessed and the inventory of all application and users accessing it?

Need to find 1- Last time sql server db have been accessed (time) 2- Detail information (the inventory) of all applications and/or users accessing the DB. Explanation:I am doing an inventory of all ...
0
votes
1answer
18 views

How to scatter/arrange all the tables in database model (workbench)?

I have around 71 tables and if i open them for creating a model in workbench all overlap as below If i use the auto layout under arrange section then max i can get is as below How to auto arrange ...
0
votes
0answers
28 views

Every 30 minutes mysql stuck for 20-30 seconds [closed]

I have very strong mysql 5.5 computer (Windows server / AWS) . My CPU ~8% ,Disk IO - 0.5% , ~Connection - 800 binlog_format=MIXED, innodb_read_io_threads=64, innodb_write_io_threads=64, ...
2
votes
1answer
48 views

how i can upgrade mysql (5.5) production DB to 5.6 with minimizing downtime

our existing Database size around 200Gb,if we can use consistent,parallel backups methods. for testing i migrated development Db from 5.5 to 5.6 by taking mysqldump with option ...
1
vote
2answers
43 views

Free up disk space on sql server

Assuming I have a sql database server with disk space as follows: D Drive: 10GB (For the MDF file) E Drive: 10GB (For the LDF file) And I have only one database on the server with the following ...
0
votes
1answer
57 views

How should I config the my.ini(or my.cnf) file for mysql?

Thanks for taking your time to look at my question, and I hope that you can help me with this. I have a Windows Server 2012 server, it has: Memory : 3840MB Ram Processor: Intel(R) Xeon(R) CPU ...
5
votes
0answers
134 views

Why would you use a managed service account rather than a virtual account in SQL Server 2012?

In SQL Server 2012, service accounts are created as virtual accounts (VAs), as described here, as opposed to managed service accounts (MSAs). The important differences I can see for these, based on ...
6
votes
1answer
6k views

What exactly is binding in DB2?

I recently crossed over from being a Java developer to an actual DBA in our company. I am learning the ropes, so to speak, about being a DBA (which is actually somewhat of a new position for our ...
0
votes
3answers
235 views

MySQL Large DELETE with JOINs

I have a large table players with ~20MM rows which joins to a table stats with ~300MM rows, among others (photos, ...). I want to DELETE all records for players that were born_on before 1950. I ...
0
votes
2answers
85 views

Is it possible to know how many times a user connected to an Oracle database?

Is it possible to know how many times a user connected to an Oracle database? If possible where we can find this information?
1
vote
3answers
52 views

What are the risks of copying MDF/LDF files without detaching the DB first?

Where DB backups are not available, our support team has been trained to restore using the following steps: Get a copy of the MDF/LDF from a file system backup. Stop the instance. Overwrite the ...
0
votes
0answers
57 views

Help with SQL Server Error “ad Hoc access to OLE DB Provider 'Microsoft.ACE.OLEDB.12.0'”

So we have an interesting issue where users are receiving the following error when attempting to query a view in SQL Server 2008 R2: Msg 7415, Level 16, State 1, Line 1 Ad hoc access to OLE DB ...
1
vote
1answer
37 views

Difference between sql agent account logged in as NTLM and UPN?

Can someone please tell the difference between a sql agent account logged in as NTLM and UPN? What is the difference if the sql agent account is logged in as: domain\username and username@domain.com? ...
0
votes
0answers
12 views

MySQL grant select not working properly 5.1.73-log

I have created new users with GRANTS SELECT but this is not applied and still user have full privileges and can still DELETE, DROP, INSERT. SHOW GRANTS for dbreader; GRANT SELECT ON *.* TO ...
1
vote
1answer
69 views

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) ...
1
vote
2answers
215 views

Optimize a MySQL Database using MySQL Workbench

I actually have a few issues. First, I found this information about optimizing: MySQL OPTIMIZE all tables? The problem is, I don't seem to have a mysqlcheck program anywhere. I'm using MySQL ...