All Questions

1
vote
2answers
948 views

Reporting Database Considerations

We have a very large database that we want to write almost real time. We want to take data and move it to another instance of the database on top of which will be a GUI and MI tool which will be able ...
7
votes
4answers
3k views

Slow temp table drops in sql 2005

I've run into a problem on our production sql server where temp table objects take a long time to drop (obvious when small and synchronous drop is used). I can't reproduce this on other sql servers (...
2
votes
2answers
11k views

Restore Database script

I have a live database which i would like to create a backup and restore script that will take the "live" database every night, create a back, then drop the existing "testing" database (if any) and ...
6
votes
4answers
2k views

How do I sync instance A to instance B without losing any of the data already on instance B?

Like I said in a comment below, I'm no DBA and I'm still in a learning process. Here's my scenario : I have an Oracle server running a couple schemas (let' call it Source). What I would like to do ...
161
votes
5answers
112k views

When should a primary key be declared non-clustered?

While creating a test database for another question I asked earlier, I remembered about a Primary Key being able to be declared NONCLUSTERED When would you use a NONCLUSTERED primary key as opposed ...
5
votes
1answer
786 views

Tuning queries and indexes using index analysis tool

I've been pointed to this script from several places which apparently helps with designing indexes in Microsoft SQL Server: http://indexanalysis.codeplex.com/ The problem is I'm using Sybase ASA 11, ...
5
votes
2answers
5k views

Incremental backups using MySQL Workbench

I need to start doing regular backups of my databases, and I'd like them to be incremental; that is, only backing up the tables that have been changed. I use MySQL Workbench, and I've used the export ...
2
votes
2answers
457 views

How do I connect to a SQL Server 2008 instance on my network?

I have 2 SQL instances in 2 virtual machines. I'm able to see the other instance in one machine but I cant connect to it. Probably some permission problem...but I don't know where to look. Can ...
2
votes
0answers
196 views

Stored procedures over SQL in the code, good idea? [duplicate]

Possible Duplicate: What are the arguments against or for putting application logic in the database layer? Assuming I got over the problem of maintainability and debugging. My assumption is it is ...
4
votes
2answers
2k views

Need help figuring out correct permissions for SQL Server Users

In most of my databases I create, I need to give permissions to do the following: SELECT/INSERT/UPDATE/DELETE on all tables in the database Execute all (user) stored procedures in the database Will ...
7
votes
1answer
1k views

Visual Studio 2010 deployment script creates objects in wrong order - trigger after stored procedure

I created a view that selects from multiple tables in a complex query. Due to the complexity, I created insert/update/delete INSTEAD OF triggers to handle these operations on the view. I also created ...
1
vote
1answer
1k views

Does composite cluster index affect performance of seek/scan non-cluster index which is part of the composite?

I have bank transaction table with columns Division Brcode TrDate ProjectCode Accountnumber EffectiveDate DrCr Amount EndBalance In the other table the Brcode itself is unique and is assigned under ...
3
votes
1answer
701 views

Can I choose which CPUs / Cores to be used by MySQL?

I have a Windows VPS (Windows 2008 R2 x64) that runs a couple WordPress blogs and other few ASP.NET things. The VPS runs 2 CPUs (for example). With ASP.NET, in such situation, I usually set the app ...
4
votes
2answers
3k views

Best way to build a server inventory db and web interface?

My team is looking to build a rich inventory of servers at our enterprise. We are trying to consolidate several different excel documents into one database. I found a great utility called AppGini (...
1
vote
2answers
896 views

Converting an SVN repository to SQL database

I have downloaded the svn repository of Atunes using TortoiseSVN. I would like to transfer the logs of activity of the developers to a SQL database, preferably an Oracle one. Is there any software ...
6
votes
3answers
6k views

Best Way to Grant Read All Permission in SQL Server 2008 R2?

What is the best method to grant read access to all current and future databases to a user (AD Group in this case)? Currently I have a flaky scheduled job that does this using (going to start ...
11
votes
3answers
3k views

Save Connections in SSMS?

Can I save some sort of session or profile in SSMS (2008 r2) that will open up connections to a saved list of database servers when I open SSMS? So for example I frequently will open up SSMS and ...
3
votes
3answers
3k views

MySQL encryption

I am thinking about encrypting some fields in MySQL database using MySQL's encryption functions. I can't find any good sources on how to properly implement it. Has anyone done this and have a good ...
3
votes
1answer
10k views

Cannot browse for Backup files using SSMS [duplicate]

I'm facing a strange problem. When I try to backup or restore any database using a SQL Server user (not sa) that belongs only to "public" server role, i have the following error when i click the ...
3
votes
3answers
338 views

Is it possible to have 2 or more databases active, and synchronized between them?

edit I'm testing possible solutions for database redundancy and high availability,I tested mirroring it worked fine, but lacks scalability plus there will be a lot of work in one server. Now I ...
4
votes
2answers
3k views

How can an identity primary key index become fragmented?

From what I understand about index fragmentation, this should not be possible. The cases I have found in my databases are non-clustered. Example: ALTER TABLE [dbo].[ClaimLineInstitutional] ADD ...
20
votes
2answers
55k views

PgAdmin III - How to connect to database when password is empty?

I have installed PostgreSQL 9.1 on my PC (Win 7). I have a small Java application connecting successfully to it with login=sa and password="". The connection works. However, it is refused from ...
6
votes
2answers
2k views

Help optimizing MySQL slow query

i'm running a wordpress which needs some mysql optimization, i have a slow query and i would like to get rid of "Using temporary; Using filesort" query: EXPLAIN SELECT SQL_CALC_FOUND_ROWS wp_posts.* ...
4
votes
2answers
65k views

oracle: No more data to read from socket

We are using Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 and we have an error on a query that gives us the error Error: No more data to read from socket SQLState: null ErrorCode: ...
12
votes
5answers
67k views

importing large SQL file phpmyadmin

I am trying to import this SQL file in phpmyadmin and got this message #1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right ...
7
votes
2answers
17k views

Unable to delete SQL Server 2008 R2 login

I had created a SQL Server login some days back. Now I need to delete the same. So I went into SQL Server Management Studio => Security => Logins and selected the login that I want to delete. It ...
1
vote
5answers
11k views

Connect to MySQL (WAMP) via SSH [closed]

Hi I installed the latest WAMP on Windows 7. I would like connect via SSH to MySQL database and create dump. As SSH client I use PUTTY. I tried using the root account and also other accounts, but I ...
0
votes
4answers
2k views

Execute Stored Procedure that cannot be manually stopped

I am looking for a solution to: Allow an admin to manually run a stored procedure Once the stored procedure runs the same admin cannot stop it using the "Cancel Executing Query" The stored procedure ...
5
votes
2answers
7k views

Export Oracle tables based on owner + all users from database

I would like to export all user and roles objects from Oracle 10g database to another. I googled it but I cannot find out how to do it. First I use this command: exp system/root@[DB_Name] file=[...
7
votes
1answer
837 views

Gaining visibility into long running INSERT INTO … SELECT

I have a large SQL insert statement that updates a summary table. The process normally runs hourly, and takes about 5 to 10 minutes to calculate uniques over that period. I "foolishly" chose to run it ...
3
votes
2answers
958 views

Transaction Log 16GB on 2MB database [duplicate]

Possible Duplicate: Why is My SQL Server Transaction Log Growing or Running out of Space? The transaction log in one of my client's databases is 16GB, when the database itself is only 2MB. I have ...
15
votes
5answers
8k views

Possible attack on my SQL server?

Checking my SQL Server log I see several entries like this: Date: 08-11-2011 11:40:42 Source: Logon Message: Login failed for user 'sa'. Reason: Password did not match for the login provided. [CLIENT:...
3
votes
1answer
332 views

Aborted restoring from back up Sql Server 2008

I started restoring from backup using (WITH REPLACE, RESTORE WITH RECOVERY) and realized that it was a mistake, so I stopped restoring. Now this db is unavailable and has a 'Restoring' status. Can ...
7
votes
2answers
1k views

High Disk IO, How to mitigate?

I'm a programmer, not a DBA. Be gentle :) Overview InnoDB, MySQL mod_perl script, persistent connections script called every 20 seconds by thousands of users Problem High Disk IO (presumably ...
8
votes
1answer
46k views

Postgres client copy (\copy) command doesn't have access to a temporary table?

I'm generating a list of SQL commands to export some data that I ultimately run using psql -f. The queries all get the same subset of data, so I thought I'd factor the qualifications out and put a ...
5
votes
2answers
6k views

Differentiating tables and views in INFORMATION_SCHEMA.COLUMNS

I have a view which selects information from INFORMATION_SCHEMA.COLUMNS, which seems to give me both columns and views. Is there an easy way to tell which rows are columns and which are views? Should ...
2
votes
3answers
3k views

Manual failover error, not in correct state

i'm doing some tests to build one database with one mirror database and one witness. so far, i'm failing in the first test, I want to kill the witness, then the Main database, and then put the Mirror ...
2
votes
5answers
827 views

Help optimizing query in the MySQL slow-query log

Our database is set up so that we have a credentials table that hold multiple different types of credentials (logins and the like). There's also a credential_pairs table that associates some of these ...
11
votes
1answer
300 views

Migrating from a physical database to a cloud database

What are the implications of moving a physical database created in Microsoft SQL server 2008R2, that makes use of advanced features like Full-Text Search on varchar(MAX) FILESTREAM BLOBS to SQL Azure? ...
-1
votes
1answer
1k views

difference between oracle 11.2.0.1 to 11.2.0.2

In my environment Oracle 11g version 11.2.0.1 was installed and it was working ok. Now I am considering upgrading to version 11.2.0.2. What is the main difference between 11.2.0.1 and 11.2.0.2.
5
votes
3answers
7k views

Postgres Server access restricted to only one database from list of databases

I am trying on the server side to restrict a user connecting on LAN to seeing and accessing only 1 database from the list of databases I have in my system. How can I achieve this? I have tried host ...
34
votes
2answers
24k views

Timeseries: SQL or NoSQL?

I don't care about the general differences between SQL and NoSQL (or their traditional differences). I am currently looking at altering the storage of our internal time series. They all contain ...
1
vote
1answer
2k views

MySQL Very Slow for REALLY Simple Operations

Something appears to be wrong with my MySQL even with very, very simple operations on almost empty (~100) tables E.g. DROP TABLE IF EXISTS hookup_gender takes 10+ seconds mysql> show processlist; ...
1
vote
1answer
940 views

Pros and Cons of having additional columns in join table of many to many relationship

I searched but did not find any discussions on this topic. Are there any pros and cons on creating many extra columns on joined table? Does it affect speed of data retrieval because we are joining 3 ...
1
vote
2answers
2k views

Cannot Attach Database to SQL Server Management Studio 2008 R2

I installed SQL Server 2008 R2 just now and wanted to attach my previous databases. Attaching a Database gives an error. Attached is the image of the error. Any Suggestions and help will be ...
7
votes
2answers
4k views

Recommended model for application level event logging

I am going to be storing application level events (user A added thing, user B updated that etc) for both public and private consumption. Below is an oversimplified model of the tables and their ...
1
vote
1answer
1k views

ORA-24237: object id argument passed to DBMS_UTILITY.INVALIDATE is not legal

I have had invalid public synonyms in my database. Some of them references to ordinary schema objects and others to sys schema objects. I compiled all these public synonyms by the following command: ...
9
votes
2answers
9k views

Monitor MySQL activity per database?

What is the best way to monitor activity on each database of my server ? I tried mtop/mytop which display activity in real time but aren't very practical to see all the queries executed on it. I ...
3
votes
2answers
217 views

Could someone recommend a db management tool that supports SQLite, MySQL, PostgreSQL, and is web-based?

Could someone recommend a db management tool that supports SQLite, MySQL, PostgreSQL, and is web-based? By 'web-based' I just mean it can be run in a browser locally or remotely.
6
votes
1answer
175 views

Replication problems after server upgrade

In transactional replication - first 8000 rows of snapshot copies to subscriber snapshot then acts like it completed successfully. Publication table has 21 million rows. Snapshot says completed ...

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