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1answer
65 views

Using EXCEPTION to ignore duplicates during bulk inserts

In pq 9.3.5, I'm importing records from an external source where duplicates are VERY rare, but they do happen. Given a readings table with a unique compound key on (real_time_device_id, recorded_at), ...
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0answers
32 views

Looking for a recipe to merge multiple rows to single row

I have a aggregation table that is written by multiple processors (around 20). Each row has a composite key - location-id, campaign-id,... and aggregate stats about it. I need to merge the ...
5
votes
2answers
99 views

Partial db dump/restore

A part of my database (PostgreSQL 9.3) relies on extra tables (ex. County, City, Town, ... ). I don't manage these tables, they are updated regularly by a third party. Each time I get a new full dump, ...
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1answer
129 views

Delete and merge duplicate records from joined tables?

I am trying to delete duplicate records from the output of the query below. If they also meet certain conditions i.e., 'different address type', then I would merge the records. From the following ...
0
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1answer
90 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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0answers
42 views

duplicate/restore a prod database to a test with RMAN

we have RMAN using RMAN CATALOG and takes backup to TSM Tape! what is the standard method to clone/copy/restore a database to a new host with a new instance name? I just need the RMAN script, I ...
0
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1answer
52 views

duplicate entry issue with large mysql database table

I have a very large my sql database table. The other day, for no apparent reason, I now keep getting :- Duplicate entry '148245' for key 'PRIMARY' If I remove the entry at with primary of 148245, ...
3
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1answer
67 views

Consolidating 2 Tables with same Values

I am working on a project trying to consolidate two databases, DB1 and DB2, for my organization into a single database, DB3. Initially our organization started with DB1. A few years back they made a ...
5
votes
1answer
141 views

Percona MySQL 5.5 Unique key is duplicated

I'm totally out from ideas, so maybe somebody else could answer my question. We have a MySQL 5.5 server from Percona with high traffic. The application is in PHP and writes always to master. We have ...
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1answer
82 views

Why Do I Still Get a Duplicate Entry Error When There is No Duplicate Entry?

I am trying to insert this data into my database: https://docs.google.com/spreadsheet/ccc?key=0AjQflI82acM3dFI1Mk04dWlYSFJtM0hsZ0g4ZlExMWc&usp=sharing I receive the following error: 1062 - ...
0
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2answers
139 views

Make Oracle backup files available for duplicate

I have a Red Hat Enterprise Linux server with Oracle 10.2.0.5 and a database on it (SID is TNATEST). I have a remote CentOS server with Oracle 10.2.0.5 on it that I want to duplicate TNATEST to. The ...
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1answer
45 views

What is meant by the RMAN Duplicate “noncurrent point in time”?

When doing a RMAN DUPLICATE from backup connected to the target, how current does the duplication make the database when no until time is set? The closest thing I can find in the documentation is the ...
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2answers
552 views

Insert into … (…) (Select…) on dupliacate key update

Can you help me to solve a problem. The task is to insert a record in MySQL database. terms: If the record exists - to update the record. If the record does not exist - to create a new one. The Key ...
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2answers
2k views

Master - Master replication Duplicate entry

I've got a Master - Master replication setup and it worked fine for a couple of days but I keep getting: Duplicate entry errors after a few days... My setup is as follow: One server in The ...
0
votes
1answer
3k views

INSERT / UPDATE to merge data, when empty data is an empty string

Consider a table of some family members: mysql> SELECT * FROM some_table; +--------+--------+--------+ | f_name | l_name | work | +--------+--------+--------+ | Meirav | Cohen | school | | ...
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3answers
27k views

select rows where column contains same data in more than one record

I have a table that has a column called article_title. Let's say the table name is articles. I need to find out the records where the article_title data is the same on more than one record. Here's ...
1
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1answer
77 views

Should I duplicate the data or have linking table?

We have the following data: Collections of items Individual items These will go into the following tables: ItemCollectionTable (Id, Name, OtherFields (desc, date, etc..)) ItemTable (Id, ...
1
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1answer
1k views

Duplicate database for standby returns error ORA-19625: error identifying file /home/oracle/stdbyctrl.ctl

I'm working on creating duplication scripts for standby purposes. and it's constantly failing even though the backups are located in the exact same folder. DB structure is identical and spfile is ...
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4answers
1k views

How to check if a subquery has exactly one distinct result and a specified value concisely?

I found myself writing the following: select 'yes' where exists(select * from foo where val=1) and not exists(select * from foo where val<>1); and wondering if there is a more concise way ...