Unanswered Questions
13
votes
1answer
524 views
Sql Anywhere 11: Restoring incremental backup failure
We want to create remote incremental backups after a full backup. This will allow us to restore in the event of a failure and bring up another machine with as close to real time backups as possible ...
8
votes
2answers
187 views
Bulk insert into SQL Server from VMWare guest using distributed switch
This is mostly likely not a SQL server issue but the setup seems to only be affecting BULK INSERTS to SQL Servers.
We have recently moved VM Hardware and all the guests that were moved had their ...
7
votes
0answers
101 views
Generate XML using Oracle XML schema
I have some XML schema definitions that have been registered using DBMS_XMLSCHEMA. I have created tables using the XMLTypes generated. I can create XML using XMLQuery and if I understand correctly, ...
7
votes
0answers
482 views
mysql 5.1.66 SSL connection error ERROR 2026 (HY000)
UPDATE2
Using WireShark I found out the problem string (I hope I did):
28 | 9.582638 | 192.168.18.128 | 192.168.18.129 | MySQL Response Error 1043
And the error is (according to docs):
Error: 1043 ...
7
votes
0answers
183 views
Hard limitation for merge replication article count?
A bit of background. We developed an app that uses merge replication. Right now, we are currently publishing about 212 articles, and everything is fine, as it appears to fall into the 256 article ...
7
votes
0answers
83 views
SQL Server Analysis Studio naive Bayes attribute has too many states
I'm using SQL Server Analysis Studio and I'm trying to train a naive Bayes classifier. I've got an attribute called "item description" that basically represents products you can buy at a store. I've ...
7
votes
1answer
293 views
SQL Server 2008 R2 corrupted after changing MAXDOP
My SQL Server 2008 R2 doesn't work after changing the MAXDOP parameter on instances.
I have 6 instances located on the same physical server and I changed MAXDOP from 1 to 2 on 5 instances. After ...
6
votes
1answer
190 views
problem running xp_cmdshell when Application Name set in connection string
I have an app on 10 or so servers that runs a few xp_cmdshell statements against MSSQL 2008. It works fine on all the servers except for one. To make things worse, I can run all the commands in SQL ...
6
votes
1answer
43 views
Overview of how MongoDB uses its various threads
On one instance I have MongoDB using ~85 threads. In lieu of having time to investigate directly, I am curious:
What are the threads used for? Do they fall into a few high-level usage categories?
...
6
votes
2answers
296 views
Query is slow for certain users
I have a couple queries called from a C# .NET web application which are always fast for me (I am an local admin on the SQL Server) but for a group of users (domain group with required permissions), ...
6
votes
2answers
183 views
How to modify an update in Oracle so it performs faster?
I have this query:
UPDATE (
SELECT h.valid_through_dt, h.LAST_UPDATE_TMSTMP
FROM ETL_FEE_SCH_TMP d, FEE_SCHEDULE_HISTORICAL h
WHERE h.FUND_ID = d.FUND_ID
AND ...
6
votes
1answer
70 views
Minimizing Indexed Reads with Complex Criteria
I'm optimizing a Firebird 2.5 database of work tickets. They're stored in a table declared as such:
CREATE TABLE TICKETS (
TICKET_ID id PRIMARY KEY,
JOB_ID id,
ACTION_ID id,
STATUS str256 ...
5
votes
1answer
143 views
Newly discovered SQL Server Express has all databases inaccessible/offline
We have several remotes sites at my company and today one of the employees came to me and said their SQL reporting tool stopped working. Up until this point I did not even know this server or ...
5
votes
1answer
200 views
effective mysql table/index design for 35 million rows+ table, with 200+ corresponding columns (double), any combination of which may be queried
I am looking for advice on table/index design for the following situation:
i have a large table (stock price history data, InnoDB, 35 million rows and growing) with a compound primary key (assetid ...
5
votes
1answer
144 views
Increase in memory use when database server switches
I have an ASP.NET 4.0 application running on Window Server 2008 and a Oracle 11g database server running on Linux.
There are two database servers with the same virtual IP.
Recently somehow one ...