The discipline of Operational and Architectural Management of Database Systems.

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Severity 20 Error upon disconnecting Dedicated Administrator Connection

Starting working with Dedicated Administrator Connections on SQL Server 2008 R2 servers. All is working fine (once port 1434 was opened), but am getting severity 20 errors when I disconnect the admin ...
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1answer
2k views

Not receiving archivelogs from production to remote side

I have a scenario in which we have Designed data guard. Where we have 2 standby sides. One standby is located locally and 2nd standby is located on remote side. The distance between local and remote ...
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45 views

Best ratio for files and file groups for a highly partitioned table

I have a number of tables with exactly 1000 partitions. Each table can be up to 200G with 100M rows and cannot be compressed. Data in partitions distributed quite equally. The SQL Server has 8 ...
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210 views

File group space problem

I'm having some problems with my database usage space. I have a database with autogrowth off and limited size to 150GB. When users try to import files, large databases or other massive transaction ...
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24 views

CHKDB is marked RESTORING

I am seeing this in my Microsoft SQL Server 2008 R2 (SP1) database log: The database 'CHKDB_dbname' is marked RESTORING and is in a state that does not allow recovery to be run. This occurred ...
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109 views

Where to put standby control file in Physical standby database?

I am creating a physical standby database for which I am creating a standby control file using command = ALTER DATABASE CREATE STANDBY CONTROLFILE AS '/oracle/dbs/stbycf.ctl'; but It creates only one ...
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71 views

mirroring on sql server 2012 on different windows server 2012

I have 2 servers *.203 and *.205 I have sql server 2012 on each of them I tried to make mirroring between them every thing goes successfuly but when I tried to start mirroring it gives me ...
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1answer
38 views

different log file for master and beta mysql

Hi i am facing a problem while shipping my database log I have three database server dev, beta and master and i maintain log files for dev on github and every log file has a version given to it like ...
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40 views

Restore postgresql database from remote sql file

I would like to know if it's possible to restore a database from a remote sql file. The problem: - Working with PostgreSQL 9.2.4 - I have an small remote server with 10GB left in storage - I have a ...
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1answer
70 views

compare file-based systems and a relational database

I don't know the exact difference of both can you please compare file-based systems and a relational database?
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1answer
200 views

How to create trigger with NOT FOR REPLICATION

I tried adding "NOT FOR REPLICATION " in many parts in the below code but ended up in the below code. I searched a lot for an example where I can see how its done with a trigger. Can any one show me ...
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3answers
316 views

Mysql to Oracle communication

I have a website running with php and mysql on Centos(Amazon instance). The newly brought ERP(to be integrated with existing system) uses Oracle as db(located on a separate Windows Server). The orders ...
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1answer
48 views

Shared emails in a database [closed]

We lost our database administrator over a year ago - and even then she was promoted into the job internally and sort of learned on the job. Basically I say this to establish that strong data standards ...
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5k 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 ...
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1answer
178 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? ...
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2answers
6k views

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

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 ...
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128 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 ...
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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 ...
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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 ...
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1answer
160 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 ...
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152 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 ...
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2k views

How to debug problems with SQL Server multiserver (Master and Target server) administration?

I've tried to set Mater and Target Servers on various cobinations of SQL Servers 2012 R2 on Window Server 2008 R2 and Windows 7 machines but always getting one or 2 of the following errors during ...
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1answer
395 views

Cannot grant execute to stored procedure [closed]

When I try to 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 ...
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36 views

sp_spaceused and replication question

I have been replicating data from a table to 2 different locations and was just looking at sp_spaceused to see the size of the tables. I have noticed that the replicated tables are smaller than the ...
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1answer
10k views

IBM DB2 Database name not found but I can connect using IBM Data Studio. What happened?

In IBM Data Studio, I can create a connection to a remote IBM DB2 LUW database named DBEMP and browse the schema and data. Here is the steps to create the database connection: From IBM Data Studio, ...
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330 views

Database Timeout Error from VB Application

Recently we are receiving so many database timeout error from different servers we are using vb application -- which will use ODBC connection to connect database - here no problem when we run the ...
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1answer
994 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 ...
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261 views

Database instance keeps restarting

From the past few days, our MySQL database instance has crashed and had to be restarted a few times. My MySQL version is 5.1.57-log. The CPU and memory usage was way below 50% during the crash time. I ...
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1answer
2k views

Achieve log transfer to standby (Data Guard)

I am not able to transfer my archive logs from primary to standby. I executed the following query: archive log list Database log mode Archive ...
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1answer
150 views

Regularly import tab-seperated log file to MySQL

I'm looking to keep arpwatch entries in a MySQL database to crossreference with other information I'm storing based on mac addresses. I've manually imported the arpwatch database into my mysql ...
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0answers
213 views

Where does a DBA work? [closed]

I want to study for a DBA certification, maybe MySQL or Oracle 11g. I always have worked in small and medium companies. I wonder, in a big company like Google or Facebook, Where does a DBA work? in ...
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1answer
162 views

Dates in openldap acl rules

Is it possible to use dates in OpenLDAP's ACL entries? I'm looking to do something like to * by this/termDate < NOW none by * break
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2answers
484 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 ...
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1answer
65 views

DataBase Back Up - with a Not Null Column [closed]

Can I include a default value to be entered in the Not Null columns when I do database back ups ? If so How can I do that?
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2answers
12k views

ORA-01033 “ORACLE initialization or shutdown in progress” caused by ORA-10567 “REDO is inconsistent with data block”

I faced an error while logging to database with regular user (non SYS/DBA): C:\Users\user>sqlplus tester@orcl ORA-01033 ORACLE initialization or shutdown in progress However I can connect via ...
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2answers
766 views

Check if database has changed to determine need to perform backup

I want to check SQL server database is modified or not. Reason to check database is modified is for backup(sql database backup) purpose. So I will be doing a full backup first and if any data ...
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4answers
129 views

T-SQL: Complete Database in one table

at a relational data model every logical relation is a single table with values and so on. I know someone who is this too much work and he wants to create only one table which contains all. This could ...
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3answers
143 views

Allowing users to compile / run PLSQL and SQL

As a DBA - assuming my users are knowledgeable with PLSQL and SQL - why would I not grant my users privileges to compile and run their own PLSQL code. We have an MI database environment where the data ...
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3answers
529 views

How do I enable READ-only (passive) mode in a particular RDBMS?

As most of you have noticed all StackExchange sites have been under maintenance/recovery a few days ago so they switched on READ-only mode. From their blog I know they used to use MS SQL Server 2008, ...
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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\ ...
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1answer
228 views

What is the maximum number of rows in a clustered index on datetime column?

I would like know what the max no of rows is in a clustered index (non-unique) on a datetime column table in SQL Server 2008R2.
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2answers
3k views

Restore the latest backup on the database

We have a stored proc which takes the backup from a database to the specified location. Sometimes the backup process runs more than once. It causes having more than one backup set on the same file ...
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2answers
65 views

Insufficient Privileges When Connect to SYS and SYSTEM [closed]

I have installed EBS VISION instance on my virtual machine. After installation from my windows machine I am able to connect to schemas such as APPS, HR, however, unable to connect to SYS and SYSTEM ...
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2answers
80 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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3answers
462 views

How to make SQL Server Agent job history less verbose?

So, I've created a SQL Server Agent job, according to the answer to my prev question: running nightly (at 2:11) according to the schedule: There are 9 .bak files in 3 subdirectory of ...
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2answers
89 views

what is the best choice from those two tables?

what is the best choice from those tables?? table A : keep DB simple with lower number of tables ... but i will find difficulties if i wanted to extract certain data from column of doses coz it's ...
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3answers
2k views

SQL Server Create Database File Error

I get the below error running a CREATE DATABASE script... CREATE FILE encountered operating system error 5(failed to retrieve text for this error. Reason: 15105) while attempting to open or create ...
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3answers
196 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 ...
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1answer
27 views

Help with some references [closed]

Kind help if anyone has detailed of what a amstrong database are and how are they useful any current important changes in this field or advice on where I may get info in which forum any link
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69 views

SELECT fields from table having some conditions

I have two tables 1. Named as t1 2. Named as t2 example of the tables are : t1 : id name 1 one 2 two 3 three t2 : id name 2 five I need to select all the data ...