Reconstructing a database.

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Postgres 9.0 recovery from inadvertent drop-all-tables event

Due to a accidental config file check-in, a unit test wiped out our entire production database (did a drop, then re-created the tables). Trying to restore from backup revealed the recent backups were ...
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4answers
4k views

SQL Server mirrored database is stuck in recovery mode

I have a database that is stuck in recovery mode for few days already. There are multiple threads about this, but the solutions there don't work for me. Here is what I tried already: RESTORE ...
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0answers
21 views

recover deleted databse from mysql [closed]

I deleted "MYSQL" database from my phpmyadmin yesterday at that time there was no problem but today it is not allowing me to open my mysql datasbe Is that any way to recover mysql database which I ...
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3answers
728 views

Why is Mongo stuck in STARTUP2?

I have a Mongo replica set with a few secondaries. A box, which hosts a secondary instance, crashed and lost the database. I started the secondary Mongo instance again and now it's stuck in STARTUP2 ...
3
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1answer
88 views

Update old database with SQL dump

I had to recover a database with a some months old full backup. I have however in my possession a most recent but unfortunately incomplete SQL dump for this same database done with mysqldump. Is ...
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1answer
81 views

PostgreSQL SELECTs not returning correct result following recovery?

I took a copy of the current database from a live slave using pg_basebackup and recovered it to a brand new isolated computer following the instructions in the docs. Once the new database had started ...
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1answer
238 views

Oracle Duplicate Database with no archived logs

I am trying to perform a duplicate operation from one server to another (testing disaster recovery) on oracle 11g. I am very much still learning about Oracle. The system is not in production, it is ...
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1answer
480 views

FATAL: catalog is missing 1 attribute(s) for relid 2662

I have a server with PostgreSQL9.1-903 (Windows 7 Professional). After a power cut my database is inaccessible (I presume that the database is corrupted). The postgreSQL service starts but the ...
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1answer
237 views

unable to bring database online from recovery pending

I am trying to bring a SQL Server database online and accessible that is in Recovery Pending state. The SQL Server service uses an Active directory account that is a domain administrator and a ...
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4answers
228 views

Does it make sense to use full recovery if the data and log files are on the same HD?

We have a database that was set up to use full recovery and my guess is that the reasoning was only to prevent data loss if a failure happened between full backups. We make daily full backups of the ...
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1answer
84 views

mysql Replication and Point in time Recovery

I have a master and a slave mysql database (version 5.1). Is it possible to dump the database only on the slave side? If I do a dump with mysqldump I have a fulldump. Which files can I use for a point ...
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1answer
9k views

MySQL: InnoDB keeps crashing - how to recover?

# free -m total used free shared buffers cached Mem: 48289 35288 13000 0 347 30399 -/+ buffers/cache: 4541 43747 ...
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2answers
3k views

Is there any way to recover a database after dropping from phpmyadmin?

I was planning to drop all the tables from a test account, but unfortunately, I didn't notice that I was in the production account when I chose to drop all the tables of my db from phpmyadmin ...
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2answers
75 views

Is attaching a database on the same server under a different database name possible?

I recently offered to help a friend with some development. She isn't a technical person and it turned out what she needed was more a DBA/SQL developer. She gave me the IP and password to this server. ...
3
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1answer
753 views

I need help understanding Postgres's archive cleanup functionality

I'm reading http://www.postgresql.org/docs/9.2/static/pgarchivecleanup.html and to me it seems like it will remove any and all WAL segments from my slave server that aren't required to perform ...
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3answers
2k views

What is a good way to verify that a restore completed successfully in SQL Server?

Right now, we test our SQL backups once a month by pulling the most recent backup file and restoring it onto a test database. If SQL Server says the restore is successful, we spot-check a few tables ...
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1answer
68 views

Oracle PLSQL code recovery

I cannot connect to my database as admin, even using connect descriptor neither via RMAN. I am getting TNS-12514 error. I consider to install new instance. Questions: 1) Can I restore/recover PLSQL ...
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1answer
61 views

MySQL repair deleted data - Any chance of recovery?

Well, this has been a long Saturday morning. MySQL was throwing an error when dumping backups. That error was... mysqldump: Error 1030: Got error 5 from storage engine when dumping table mytable at ...
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1answer
1k views

Recover PostgreSQL database data

I am using PostgreSQL in my project, Now by mistake I have deleted some records of one of my tables. Now is there any way to recover deleted Records in PostgreSQL?
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1answer
40 views

Postgresql: How do full_page_writes help prevent data loss?

From the postgresql docs [full page writes are] needed because a page write that is in process during an operating system crash might be only partially completed, leading to an on-disk page that ...
2
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1answer
8k views

How can extract the table schema from just the .frm file?

I have extracted the data directory of mysql from a backup and need to get the schema from an old table, however it's a backup from a different machine. I have read a fair number of tutorials today ...
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1answer
68 views

SQL Server : database recovery from snapshot files

We have completely lost our SQL Server 2000 database in an accident. The only thing left is a snapshot folder which contains bunch of .sch, .idx and .bcp files. The sch and idx files have a clear ...
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1answer
55 views

How Can I restore a database to a point of time without Old backup? [duplicate]

I have a database in full recovery mode with five tables. I accidentally deleted one table. I don't have any old backups. Can I restore the database with five tables?
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3answers
3k views

How to repair, or drop/create a corrupted table in mysql?

Situation: I have a MySQL database with 104 tables, running locally on XAMPP on windows 7. All the tables have InnoDB engine. XAMPP MySQL is running as windows service. As front end I have PHP ...
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1answer
1k views

ibdata1 corrupted, recover from ib_logfile?

A failing hard drive have left me with a corrupted ibdata1 file. I know where the file starts but not where it ends. The hard drive recovery software claims the file is larger than the hard drive ...
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1answer
57 views

MyISAM recover updated row

The row (with type MEDIUMTEXT) has been accidentally updated with empty value. I can see previous data in MYD file of a table, but I can't get them neither from mysqldump or any mysql client. If I ...
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241 views

Oracle Recovery fails

I am quite new to DB-Administration and accidently deleted a tablespace-file manually (via OS operations) without deleting the tablespace itself... Now I am trying to open the database again and ...
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0answers
57 views

InnoDB says I'm in Deadlock when it should not be

I'll do my best to explain the situation. I'm at a complete loss. Preliminaries I'm running a Java Web Application in Tomcat 7.0 using a JDBC Connector to communicate with my MySQL Database. The ...
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0answers
56 views

Mysql database recovery in linux

Is there anyway to get back database if I deleted database. Is mysql creates temp file which contain temporary data from database and whether I can recover from that Edited: cp my.cnf my.cnf41 mv ...
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1answer
1k views

SQL Server 2005 Restore Backup Status Recovery Pending

So at work something dreadful happened a database server went down and I am having an issue recovering one of our databases from our backups. When I try to restore from a backup using SQL Management ...
2
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1answer
28 views

Is it possible to import a single mysql database directory?

I am somewhat new to mysql. I created some databases recently and, to back them up, I just copied the folders with those database names in the mysql data directory (i.e containing only db.opt, .frm, ...
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2answers
1k views

SQL Server - contents of transaction log file in more detail

I have a question regarding transaction log (let’s just call it LDF for short) contents. I am assuming a database with full recovery model. I have read that LDF file contains (logs) each and every ...
4
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1answer
213 views

Differential/T-Log LSN question

So, this is now my third question on this topic. I just keep finding more and more than i want to know and understand about how FULL recovery works. We transitioned a database to FULL yesterday by ...
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2answers
84 views

Repair Corrupt Access Database File [closed]

I am using MS Access 2010 and one of my databases on our shared network does not open for any user. Shows "Unrecognized Database Format." error message. I can't even get it to the point of opening. Is ...
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1answer
124 views

FULL recovery and differential backups

I am going to begin transitioning several of our databases to FULL recovery from SIMPLE. I asked a question last week regarding deployment strategies and I have one additional question. Consider ...
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2answers
101 views

Switching from SIMPLE to FULL recovery mode implications

I have several databases that I'd like to move over to FULL recovery mode so we can have point-in-time restore capability. We don't need it on all of our databases, just the ones that are transaction ...
6
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2answers
23k views

SQL Server shows database in recovery

Today, after a power failure, one database (with Recovery: full) shows "In Recovery" in SSMS. So: myDatabase (In recovery) (database status: recovery, Shutdown) After finish, the "recovery ...
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0answers
109 views

What are the “additional actions” available for “Recovery Pending” databases?

I've used powershell to run a sql script on several databases on a test server. Disk space was low, so the script failed on 34 out of 75 databases. All fair enough. In any case, afterwards 10 of my ...
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1answer
43 views

Equivalent SQL Server's Backup COPY ONLY in DB2

In, DB2 when you have a recovery strategie, you have a Full backup, then some deltas or incrementals in between. They are creating based on the previous full (first delta, or any incre. ...
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2answers
163 views

My database has been deleted suddenly on the server how to recover it?

I'm running an application on windows server that connects to a SQL Server database. Today, when I opened SQL Server Management Studio, I was surprised the database is not in the list of the ...
5
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2answers
285 views

SQL Server 2008 R2 database is suspect, tried it all. Final destination?

This night my hosting provider made a "hard reset" on my VPS hosted in their farm. And one of most important databases (SQL Server 2008R2 database) is now in Suspect mode. My provider has backups ...
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0answers
43 views

Corrupted Filesystem: Possible to restore databases from the contents of /var/lib/mysql?

Using CentOS 6.4 x64. Not sure what happened but somehow my VPS filesystem got corrupted and it is now in a permanent read-only state. I've been working with my hosting provider's sys. admin. but ...
3
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1answer
175 views

mysql Wrong bytesec: 0-0-0 at linkstart: 0

I have several MySQL (MyISAM) tables that have been corrupted. Running CHECK TABLE mytable returns: > +-----------------+-------+----------+----------------------------------- | > ...
0
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1answer
3k views

The InnoDB log sequence number is in the future

Our site was getting intermittent database errors and I asked my webhost to check what's happening. After some inspection they found that the database has few issues and tried repairing it. Finally I ...
2
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0answers
53 views

Postgres Replication From Different Masters?

I'm getting a Postgres 9.3.3 install sorted out. My application is Drupal (so read/write), but low-traffic, so all application traffic is sent to the primary master. I have two sites (main and ...
0
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0answers
43 views

I need a way to implement an incremental Backup/Recovery on mysql client

I need to be able to do a point-time recovery in mysql client from the mysql server. For example I need to Download only the information that have change since last backup. I can do that using log,but ...
0
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0answers
53 views

MySQL best practice DB recovery

I am trying to figure out what is the best practice is for Mysql recovery after a power failure. I need to find a way that if a server (which is running on a virtualbox VM) goes down when it goes ...
3
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1answer
1k views

recover broken msde 2000 8.0 database

i have a msde (mssql) 2000 / v8.0 database that has one corrupted table. Microsoft SQL Server Management Studio Express can see the database STRUCTURE, but not the data. i can see the DATA of the ...
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0answers
167 views

Lost all my Postgres database tables? [closed]

I'm a novice using PostgreSQL on a local database that I created using Postgres.app on my Mac. My dbase included multiple related tables with ~50MB of data, and after restarting my Mac (system update) ...
3
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1answer
2k views

Postgres is stuck in recovery mode

I have a stand-alone instance of PostgreSQL which is in recovery mode. It has been saying 2014-03-24 18:45:57 MDT FATAL: the database system is starting up For many hours, and ps shows: postgres ...