The discipline of Operational and Architectural Management of Database Systems.

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1answer
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How to load .dat files to oracle database

I have .DAT files extracted from telecom switch. I want to upload this file to an Oracle server using IBM data-stage ETL tool. Unfortunately these files are not readable format. This is a picture ...
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0answers
108 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
22 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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0answers
41 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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1answer
82 views

Moving SQL Server 2012 Database to SQL Server 2008 R2

I follow the answer of Mr. Kin in this post How to move a database from SQL Server 2012 to SQL Server 2005 I run the query without errors, but when I check my blank database created on SQL Server ...
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1answer
56 views

How to migrate a database from SQL server to Oracle? [closed]

I have been assigned a task to migrate a database from SQL server to Oracle. But I have no idea about how to do it. Also, is there any need to change the existing data model?
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1answer
32 views

Set up MySQL server database [closed]

I want to set up MySQL server database for my office on my windows 8 pc, but i dont know exactly which products to use. Can anybody help me with it. I want to set the database such as my pc would be ...
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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
5k views

I have mistakenly deleted Datafiles.

In my production server I have mistakenly deleted datafiles. When I am trying to open the database I am getting an error. The files are not important but the database is not opening up. SQL> ...
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1answer
35k views

What is the best way to reduce the size of ibdata in mysql?

I have some Production servers whose ibdata files increases in size day by day. It has already consumed 290GB of space. The tables in the servers are mostly InnoDB and there are high read and write ...
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1answer
72 views

SQL Server 2012 enlarge database space

I tried to enlarge a database size of database instance on my SQL Server 2012. I manually added a new .MDF file under database instance After restart on shrink database dialog I can see available ...
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1answer
23 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 ...
4
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1answer
231 views

Postgres pg_basebackup reports directory exists but is not empty

I have postgreSQL 9.4.1 installed on a Win 2012 Server. I am looking to setup replication between this and another server of the same spec. So I am following guidance on preparing the master ...
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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 ...
3
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2answers
333 views

Getting all databases which a sql logon can connect

I need to know all databases in a SQL Server on which a user can connect. With sys.databases I get all databases and with sys.server_principals or sys.syslogins I get all server logons. But I can't ...
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1answer
35 views

Manage max table storage space in case of excess data (size in GB)

My scenario is that I am using sql server 2008 r2 on my end. I have created a database named testDB. I have a lot of tables with some log tables in this. some tables have contain lakhs of records in ...
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2answers
303 views

Why is Postgres on RDS maxing out on CPU every few hours?

Using Amazon RDS, we are running ETL scripts to migrate our data. However, every few hours there is a huge CPU spike. Here are the ETL specs (per ETL): 50 records inserted / second pool of 1000 ...
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0answers
74 views

Export entire Oracle schema to ASCII and import into DB2

I'm looking for a solution to export a number of schemas from Oracle to ASCII or other flat file format. The data then has to be read by DB2 import. Does anyone know the what oracle export commands ...
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2answers
3k 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 ...
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1answer
50 views

Trying to add permission to a Role is failing

I am trying to add a role into Create and Restore permissions and After researching online, it sounds like it should be as easy as using the GRANT statement. So far so good. However, my simple grant ...
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15answers
33k views

Why is Database Administration so hard?

I know a lot of Database Administrators and they are all over 28-29 years old. Is all database administration like that? I mean, is this about getting experience more than at least 7-8 years? Or is ...
3
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1answer
163 views

Sharing PostgreSQL database on one dual-boot machine without duplication (cross-platform)

I have PostgreSQL 9.4 installed on a dual-boot machine (both on Win 7 and Ubuntu 14.10). The two systems share a drive (NTFS-formated) which includes a PSQL database directory which was created under ...
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5answers
74 views

Getting Data Back after Wrong Data Restore in SQL Server

I would like to inquire if there is an possible way to return lost data that stored in a Sql server Database after making a wrong database restore? I know it is extremely hard to get a positive ...
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0answers
37 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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1answer
2k views

DB2 - how to safely blow away database on linux?

I'm using (I believe) 10.1.2, on CentOS 6.5 (for sure). The underlying problem I have is that the database upgrade package prepared in house isn't working for me, in at least the sense that the ...
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73 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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39 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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2answers
136 views

Should a SQL Server DBA know Windows Server and vice versa? Are these roles soon to become synonymous. Or at least more encapsulated/?

I have Jr. experience with SQL Server and a desire to dive deep into Windows System Administration. Are these fields too separate to combine skill sets? Would I be marketable as a Windows Admin who ...
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1answer
38 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
32 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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1answer
45 views

Add '%' sign to MySQL results

I am using a query to calculate total percentage but I want a '%' symbol to appear next to it. Any ideas that could help me My query so far is SELECT student.StudentID, student.Name, ROUND ...
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1answer
63 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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1answer
126 views

Unable to start SQL Server Browser service in Sql server 2005 [closed]

we are unable to start the SQL browser service on one of our machine with below error: I believe this to be the reason, why we could not connect to the instance with below error: I tried ...
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3answers
211 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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0answers
65 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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33 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 ...
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1answer
51 views

Any tips to watch out for when setting one of my databases to Read Only?

Our front end application uses\ pointed to a different database now in SQL Server 2008R2 in the same instance, so to prevent users from accidentally updating data in the old production database, is it ...
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3answers
17k views

Reset IDENTITY value

I have a table with an IDENTITY column. While developing I delete the rows from time to time and add them again. But the IDENTITY values always kept increasing and didn't start from 1 when I added ...
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2answers
54 views

Sql Server Fill Factor - Restart sql server services

I changed the Fill Factor option from 1 to 75. When I run a query that displays the fill Factor I am seeing 75 But I read online that I have to stop and start the sql Server services inorder for ...
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0answers
30 views

SQL Server to Oracle migration

Converted model resulted into incomplete script generation as all stored procedures, triggers and views were missing, only table structures were generated and i did not get any error messages for it. ...
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0answers
20 views

Load data into central database

We have 150 databases at different locations. These databases need to be move into central database. currently, i am using transactional replication, but facing lot of issues. are there any other ...
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1answer
80 views

Sql Server audit could not write to the security log

I am following the training kit for 70-462(Administering Microsoft SQL Server 2012 Databases), and stuck on Auditing SQL Server instances lesson. I have created new user in domain controller, assign ...
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1answer
64 views

“Unknown table engine 'innodb'” error after changing my.cnf

I am getting "Unknown table engine 'innodb'" for some query after changing my my.cnf. I have reverted the old my.cnf and restarted mysql and now I can see innodb. Could you please help me figure out ...
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0answers
26 views

Why isn't user being shown in DBA_USERS?

I have created a user and I wanted to know it's default_tablespace but whenever I run SELECT query for showing default_tablespace or anything it says no rows selected.How can I resolve this issue? ...
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1answer
1k views

Transpose MySQL rows as column names - DYNAMIC

My goal is to be able to calculate the time difference between the ticket timestamp being created and closed and if reopened Add time from being reopened to closed again etc.. I have an existing mySQL ...
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1answer
40 views

Should my application utilize database credentials for user login?

I'm working on an application that has an ASP front end and a SQL Server database. The way credential management is currently performed is there is a custom built User Table in the database that ...
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1answer
65 views

MySQL partitioning table by date and hour

I have a table with a timestamp field. This table will have millions of rows every day so the idea is to create partitions by date and hour. Every day I will delete partitions older than 10 days and ...
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1answer
45 views

Server has antivirus. Do I need to enable external locking on MySQL?

From MySQL docs: If you only read tables with other programs, external locking is not required Assuming the bytes of MySQL files does not match viruses, the antivirus will not change the ...
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1answer
62 views

Best away to keep monthly records of loans

I'm trying to make a database to keep records of the amounts payed on a loan on a monthly basis. I already have tables for the clients, accounts, products and loans: create table product( id ...
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0answers
124 views

mysqldbcompare shows checksum fail but row differences passes between MySQL 5.1 and 5.6 databases

I have started to try using mysqldbcompare to help me compare two databases(one is MySQL 5.1.73 and the other MySQL 5.6.21) that are each about 5 gigs with lots of tables, but the databases are ...