The discipline of Operational and Architectural Management of Database Systems.

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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) ...
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1answer
181 views

How to merge data from 2 databases [duplicate]

I have a SQL-Server database that crashed while I was away on vacation. All info from 5/2/13 is missing from our current database because my replacement implemented a back-up of the database from ...
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1answer
31 views

prepare stmt is not working

set @sqlt = concat("select", @rowname_date," from syslog_data.syslogs_index_1 "); prepare stmt from @sqlt; execute stmt; deallocate prepare stmt; gives me a eeror 1064 in the prepare statement? Any ...
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1answer
723 views

What exactly is SOLR? [closed]

It seems like a magical technology that can Do spatial search do full text search The problem is, It doesn't say where does it store all the data. Does it have it's own proprietary database If it ...
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1answer
878 views

Difference in between HAS MANY and BELONGS TO in Yii framework [closed]

I am new to the Yii Framework. I discovered HAS MANY and BELONGS TO in the documentation, however I am confused about these features. Can someone give some real life examples with a diagram that ...
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2answers
1k views

Data Base Administration Oracle vs MySql? [closed]

I have worked with MSSQL for a while now, but now we want to try to move to some open source for a specific part of the company's products or explore Oracle if possible. What would you say are the ...
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0answers
22 views

Please me an example of a database scope.

I've been given an assignment on entity relationship diagrams in an organization, and I now need to identify its database scope. i've googled it and checked out almost 100 results and am still falling ...
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0answers
67 views

TempDb Growing Big on Staging SQL Server 2005 [duplicate]

I have a concern regarding Tempdb growth on one of my staging servers. Current size of Tempdb has grown to nearly 42 GB in size. Per standards we have split the data file into a primary .mdf and 7 ...
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1answer
2k views

IO Error: The Network Adapter could not establish the connection - with Oracle 11gR2. Connecting with SQL developer

I have installed Oracle 11g ON a RedHat6 linux instance, by following all the steps mentioned in "http://technologylair.net/2013/08/oracle-11g-installation-linux/#comment-50" I am trying to connect to ...
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votes
6answers
614 views

Missing import function in SQL Developer like MS Access has

At my work we used to use MS Access now we are forced to use SQL developer to create queries and export the data. Details: We can only query to the database We cannot create a new database We use ...
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1answer
1k views

Single query to copy data from 3 tables into a single empty table

In an interview today, I was asked if I could write a single query to copy data from 3 source tables to an empty destination table. I started saying "I will use a temp table or table variables", ...
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votes
1answer
117 views

recommendations needed in order to become a junior DBA [closed]

I want to start off work being a junior DBA very soon. At the moment I have a Bsc in ICT 2:2 but my database marks was very strong including an 86 in my oracle assessment which is following a ...
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votes
1answer
106 views

Advice for designing a complex/multipart application [closed]

I'm designing a software application for my medical carrier. It is very complicated, with many parts and many small details. Some experts advised me to divide it to parts, then design the database ...