The discipline of Operational and Architectural Management of Database Systems.

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Cant connect to local teradata database in VMware image

Login credentials for VM linux: root/root database: dbc/dbc The image`ve been downloaded from here. (this version TDExpress15.00.02.08_Sles11_40GB.7z) I successfully launched VM image, but failed ...
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69 views

Get Event name during it's execution

We want to maintain event's logging within the MySQL DB so I want to get event's name during its own execution. Is there any way to get event name in its own execution? For example below are the ...
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1answer
89 views

Problems attaching a SSAS database

I am attaching a SSAS database that I have just moved to a different drive following the below link: Attach and Detach Analysis Services Databases First I had to grant permissions on the new drive ...
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104 views

Interpreting AWR report(top queries)

Could someone help me to understand a part of awr report? Below I'm pasting the top sql statements. I see there was a (very) huge number of executions of the first query. I see it was called from web ...
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1answer
36 views

I have a database design for an E-commerce website. Need to know how to display related product for each specific product

For example: A customer is viewing a product on the website, say a laptop. There's a section on the left where i need to display products from the database that are associated with this particular ...
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9 views

Pentaho getfilename error

I am try to send 20 mail with attachments using pentahi DI, Jobs are like below Get File Names--->Add constants--->Mail But some mails are not send with below error, Thay say files are not ...
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25 views

SQL TDE Key Format

I'm trying to find the Key Format that SQL TDE uses. Is it PKCS? If so, what #? I haven't been able to identify this based on research done on MS website. And, there is no mention of key format during ...
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77 views

User is An employee. Role or relation

I've created a database based on a party-model. In short I show you the tables: parties, kind, party_to_party_relations, role, party_roles table parties: CREATE TABLE `parties` ( `id` int(11) NOT ...
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1answer
21 views

Mongo DB Site to Site Migration

I am somewhat new to MongoDB but I do have some experience with MySQL and PostgreSQL. Currently, I need to migrate Mongo DB from one site to another. The sites should be identical (development and ...
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0answers
87 views

Method to economically insert Bill of Materials BOM items into a Stock Table?

I’m new to the wonderful world of database design and I’m currently experimenting with an implementation for my little brother relating to Model Train Sets. [I will be using SQL Server 2012 / Asp.Net ...
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28 views

Microsoft SQL Data Services OR SAP Master Data Governance / SAP NetWeaver

I want to know in which cases should I use Microsoft SQL Data Services OR SAP Master Data Governance / SAP NetWeaver, and what advantages bring each one comparing with the others.
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1answer
53 views

need to get data from Global Temp Table from db1 to db2 and show the data in Oracle form

I need to get data from Global Temp Table from oracle db1 to db2 and show the data in an Oracle form. In db1, a stored procedure is populating data in the GTT and showing it on Oracle forms as this ...
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1answer
73 views

SQL server 2014 Transaction Log Backup fails

I have setup a Maintenance Plan for my SQL server 2014 Database. This Plan Generates Full Backup every Sunday, and Differential backup every Day and Transaction Log every hour. This Maintenance plan ...
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24 views

Can you use SQL Server Development Edition for a website? [duplicate]

I've got a website I'm developing, and it's database driven. If I use SQL Server Development Edition as the back end, is that "legal"? I'll be the only developer using the software, but it will be ...
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0answers
46 views

Does MySQL InnoDB compression combined with Windows compression save more space?

We have a very large MySQL InnoDB database, compressed using the following syntax at the end of the table declaration: ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4 We also have windows ...
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1answer
44 views

Can mongoDB split read and write, with primary on HDD, replica sets on SSD?

I have three machines, each machine both has SSH and HDD, I want to save SSD space, and in my env: less write, lots read. So does mongoDB support splitting read and write, with primary on HDD, replica ...
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2answers
42 views

MySQL - replicate some tables between transaction and report database

I have two different database (on two different hosts). One database is transactional and another database is reporting. Let us say, it stores information about departments and their employees. ...
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1answer
45 views

What is the advantage of pluggable database over normal databases?

Why creating pluggable database over normal database is good for system performance.
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48 views

.dmp file generating problem on oracle

I have a server windows2003 with oracle 10g and developer 6i. My experience is when I install developer 6i first and then install database 10g then .dmp file generate perfectly using imp or exp. but ...
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42 views

Query Designer - Cannot connect to Server

I am following a tutorial to be able to use SQL Server Data Tools (SSDT) for reporting. However, I am having issues connecting to a particular database when I try to add a new DataSet and try to ...
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17 views

Migrating from SQL Server 2005 (Win 2003R2) to SQL Server 2008R2 (Win 2008R2) new Server [duplicate]

I am pretty new to the DBA field and i have been assigned to migrate all of my Production database from SQL server 2005( server A) to 2008R2 (Server B) and Decommission all of those database from 2005 ...
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1answer
44 views

what are the prerequisite for installing oracle 11gr2

I have windows 2008 R2 sever and I want install oracle 11gr2 on this server. So any one tell me what are the prerequisite tools for install oracle 11gr2 like as a jdk and ect...
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43 views

Chicken and egg problem with JOIN tables and memberships

So I'm having a problem where users are able to access certain models that depend on a join model that doesn't exist at the time of the access. Quick overview of the use case: Basic school ...
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63 views

Troubleshooting Memory-Pressure on SQL Server with 80+Gb RAM

I have a SQL Server cluster with 80+Gb of RAM and multiple production enterprise databases and applications running. We are encountering memory-pressure errors and are trying to troubleshoot what's ...
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17 views

Fill the 5th table with 3 other tables data in LibreOffice

I have 5 tables primary key foreign key felh(felh_id, felh_nev) gepek(gepid, felh_id, gep_nev) lic(lic_id, lic_k, lic_l, lic_db, gep_id) pr(pr_id, pr_n, pr_vr, lic_id) haszn(haszn_id, gep_id, pr_id, ...
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10 views

Oracle OEM provisioning and patching

What is meant by Oracle provisioning and patching?, how can we do RAC cluster upgrades and patching using this in OEM ?
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1answer
94 views

All actions denied on MS SQL Server on Go Daddy Hosting

i have a website hosted on GoDaddy and I need to create a database for it. So headed to the Databases section and created a MS SQL Database then on my local pc I tried to access the database via SQL ...
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1answer
109 views

Multi Source replication on single slave having multiple instances MySQL

i had 1 instance of mysql 5.6 on one server A (Slave S) 1 Mysql installed on server B ( Master M1) 1 MySql installed on server C ( Master M2 ) At Slave end : I have created one more instance by ...
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58 views

Column based replication in mysql 5.6

I want to do column based replication which means: In my server, I have table T1 in which columns are A, B, C, D, E I want to replicate this table on different server in mysql 5.6 only, but with ...
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1answer
126 views

String to timestamp in datastage 9.1.2

Apologies for asking a question that I suppose is very basic. I'm just starting out with Streams. I'm trying to read a sequential files containing a timestamp field and a value field, like this: ...
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29 views

Accessing database from a number of servers

I have a few servers that access a database, and I was wondering what is the best way to handle access to the database. Is it secure that each server will be able to access the database, or should I ...
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3answers
127 views

Merge MySQL tables without data repetition

My situation is this: I have several DIFFERENT tables in my MySQL database with the same name columns. Such tables can contain (or not) the same data. What I need to do is a kind of "merge" between ...
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38 views

IBM Data stage compiler error

I have installed InfoSphere Datastage 9.1.2 on Windows Server 2008 R2, and also installed C++, but when I try to compile a job show error in transform stage.
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52 views

What is wrong with my ERD?

I am trying to create a reservation/booking ERD. Is their anything wrong with my current ERD? It must show a supertype and subtype, and it must identify attributes for regular, weak, and associative ...
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53 views

Is there a way to check which views have data? Oracle 11g

I'm undergoing a cleanup process for a data mart design. However, I want to get rid of any views (in the design) which result in having 1 or less rows of data. Instead of manually going through ...
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339 views

DB_STARTUP blocking on spid 7

I have a sql server 2012 instance that I'm installing a new license on that had previously had an evaluation license. I've did this on two other servers with out incident, but this server is giving me ...
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1answer
39 views

Unable to configure oracle 11g net server

I installed Oracle 11g on my Windows Server 2008 workstation. After I try to configure oracle net server with port number 1521. But ONS error say to me as "Use another port number. This port is ...
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55 views

Best method to implement HA and DR, replication via 1 PUB and 2 SUB or replication and LS both

I need a advise on one of our projects where: We have 3 SQL database servers A, B and C: A is the live production server with around 200 users with a database of size 1.5 TB hosted. B is going to ...
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0answers
41 views

Moving Database SQL Server 2012 to 2008/R2 [duplicate]

I'm planning to move a Large Database from SQL Server 2012 to 2008/R2. I tried the scripting thing, it works on a small-medium type of database but not on Large database w/c is about a hundred MB. Any ...
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1answer
40 views

Putting some calculations on a database entry from phpmyadmin

I am creating an online store website for sale/purchase. I have to put a specific percentage of an amount (User enters) in database. for example If user enters 100. I have to deduct 30% of it and I ...
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2answers
572 views

How to build a table for a private messaging system that supports replies?

I'm writing a private messaging web application in PHP, the application allows replies such that when you view a message, you also get to see to what was that a reply to, and to what was that a reply ...
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0answers
41 views

How do I create an after Trigger in sql for a price reduction?

So im trying to do this for a personal project of mine just as a hobby kind of thing. What i need help with is that im not sure how to put a SQL After trigger for something i want to try. What i have ...
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122 views

How to downgrade Oracle Database from 11gr2 to 10g?

In certain situation i have to downgrade from 11gr2 to 10g but coudn't find right way to downgrade. Can you please give a right direction and possible causes to Database.!
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42 views

Forcing FK constraint to validated in system catalog

I have a big table (~60gigs, 35mill+ rows) that I need to add a FK to. Adding a FK directly to the table causes a validation which runs for about 30secs that I want avoid as it's a 30sec access ...
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1answer
76 views

Mysql Multiple data files rollover size

we want to setup the mysql ibdata files in such a way that after every 100M , new data is added to another file specified in innodb_data_file_path i.e. ...
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0answers
43 views

DB2 Fixpack 10 install missing folder!

Hello everyone that are reading this! I'm trying to perform a fixpack install into DB2 9.7 version database in a linux 64 bits server. i terminate my database, stop my instance. And when i try to ...
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2answers
191 views

MySQL query INSERT INTO … failed - The Table “x” is full

I apologize if my question is incomplete or noobish, I have extremely limited knowledge of SQL but the boss wants me to figure this one out. Environment: Webmin/Virtualmin | MySQL version 5.1.73 on ...
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3answers
531 views

MySQL Exporting a query to text file via Cron Job

I'm in the beginning stages of hacking together code that syncs two completely different pieces of software/webware. I'm looking for a way to run a SQL query and output the results to a text file. I'd ...
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115 views

HSQLDB like datasource to JAVAEE APP on JBOSS 7 FAIL

I am having problems while starting a sample app on JBoss server 7.0. Below follow piece of start log: 12:19:10,156 ERROR [org.jboss.as] (MSC service thread 1-7) JBoss AS 7.0.0.Final "Lightning" ...
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34 views

Fill Factor - Displaying Old values

I updated my fill factor value from 0 to 75 and I rebuild all the indexes on the database When I ran select * from sys.indexes some indexes are 0 and some are 75 The Indexes that are 0 (I am not ...