2
votes
2answers
1k views

Modifying replication distributor & publisher

I have a SQL Server 2008 transactional replication setup as follows: 192.168.100.1 <-- Distributor 192.168.100.2 <-- Publisher 192.168.100.3 <-- Subscriber Our network team want to change ...
0
votes
1answer
4k views

Error “#1118 - row size too large” on the first row of the table only

I ran into a problem using a mySQL database. I have some columns as type text but when I try to enter data into the first row I get the error code "#1118 - Row size too large. The maximum row size for ...
1
vote
3answers
2k views

SQL Server 2000 dateformat permanent change

I am using SQL Server 2000 for an old system web site. I've just hit an issue that is going to cause me endless hassles down the road. When I installed the server on my local system I took all the ...
8
votes
1answer
5k views

Why disabling a clustered index makes the table inaccessible?

When an index is disabled, the definition remains in the system catalog but is no longer used. SQL Server does not maintain the index (as data in the table changes), and the index cannot be used to ...
3
votes
1answer
1k views

Is it safe to call pg_ctl reload while doing heavy writes?

I am running Postgres 8.4, and I would like to change the authentication method for a user. It's my understanding that I have to do this in pg_hba.conf, and then reload the configuration files with ...
0
votes
0answers
624 views

Calling a MySQL stored procedure with parameters in SSRS reporting through ODBC

In SSRS, when I pass hard-coded values to my stored procedure, it works fine. But it doesn't work when I try to pass the parameters. Can you please tell me the right syntax for calling MySQL stored ...
1
vote
1answer
426 views

MySQL localhost vs Amazon RDS instance

I am seeing unexpected behavior with some MySQL performance. When I run a simple query SELECT 1; on my local host (MySQL 5.6.x) using workbench, it executes in 0.000s, but the same query run on ...
2
votes
2answers
640 views

Duplicating a Database with RMAN

I would like to duplicate to the same server Oracle Database with RMAN. I've configured flash recovery area for Oracle Database. My database is using SPFILE as shown below. SQL> SELECT ...
2
votes
2answers
3k views

How to connect to Oracle 11g using “Navicat for Oracle”?

My Oracle 11g Enterprise Manager runs like this: I have taken the following screen-shot after my Oracle installation has been completed: I have the following Oracle-related services running: ...
1
vote
2answers
15k views

Insert data in current table and update another table MySQL

I'm having problem with inserting in purchase table and updating facility table. Let's say, user made a purchase with product_id and product_quantity. When user hit submit, I want to insert ...
0
votes
1answer
530 views

DR - Moving databases from Active/Active cluster to Standalone server with LUN sync

We have an active/active cluster on LUNs (with one named instance on each node and a total of an 100 DBs) For DR purpose, LUNs will be replicated (with same drive letters) and attached to a ...
0
votes
1answer
173 views

Ubuntu / MySQL - How to choose from the various downloads?

I have Ubuntu 12.04.2 LTS. I would like install MySQL 5.5.29. So I go to the MySQL 5.5 archive page http://downloads.mysql.com/archives.php?p=mysql-5.5&o=other and scroll down to section 5.5.29 ...
1
vote
3answers
321 views

What is the optimal response time for file growth

We normally set our file growth in percent (10%,20%) or fixed size (10 MB, 20 MB etc). If the disk response time is too high for the requested size to grow, then users will be affected and have to ...
3
votes
1answer
6k views

Select first row (grouping) + add aggregate function

First have a look at this question on StackOverflow. I'm looking to accomplish the same task, except I also need to add an aggregate function (PostGIS's ST_Union) to my query. How can I combine the ...
1
vote
1answer
6k views

Getting “BadImageFormatException” when attempting to connect through Visual Studio to Oracle

I get the following message: “Attempt to load Oracle client libraries threw BadImageFormatException. This problem will occur when running in 64 bit mode with the 32 bit Oracle client components ...
0
votes
1answer
67 views

Index on a query with order

I have the following table with >1M rows: CREATE TABLE `wishlist_place` ( `id` int(11) NOT NULL AUTO_INCREMENT, `wishlist_id` int(11) DEFAULT NULL, `place_id` int(11) DEFAULT NULL, `city_id` ...
2
votes
3answers
426 views

Does MySQL 5.6 support fan-in replication?

I've known for quite awhile that Continuent's Tungsten Replicator supports fan-in replication (example). By fan-in replication I mean combining multiple datasources into a single instance (like a ...
0
votes
2answers
33k views

Can't connect to the postgres server ls: /tmp/.s.PGSQL.5432: No such file or directory

*Update*I included an update at the bottom of this post with details from the logs explaining the problem that I haven't been able to fix. Following along with this Railscast ...
1
vote
2answers
23k views

Exporting 30 million rows to CSV

I have a query that hits multiple tables in an Oracle database (11g). I don't have access to the server itself. I use SQL Developer or SQL*Plus to connect. There are about 31 million rows, and 7 ...
0
votes
1answer
511 views

Different Result When Insert Data Contain Quote on Localhost and Online MySQL Hosting

I installed xampp on localhost and insert data contain quote using this php code $content = htmlentities($_POST['content']); $content_esc = mysql_real_escape_string($content); $save = ...
1
vote
1answer
188 views

Can I use Try_Cast to give me a query result column with different datatypes?

I have a column that is varchar(max). It contains mostly valid XML. But sometimes it has invalid xml (that I still need). I am trying to make a view for this table that allows the value to display ...
2
votes
0answers
68 views

How can I copy a user while preserving all privs?

We're changing domains. I'd like to create a new account for myself, NewDomain\Bob which has the same su-level privileges as OldDomain\Bob, to minimize the chance of disruption when IT flips the ...
4
votes
1answer
223 views

Selective Xml Indexing

I have recently been researching Selective Xml Indexing and have been trying to figure out how to index a .query method If I have the below query WITH XMLNAMESPACES (Default ...
3
votes
2answers
2k views

What's the meaning of the Collation Code (blank, 90, 100, 110) in SQL Server 2012

During the installation of SQL Server 2012, in the Collation tab, i can choose between French_CI_AS and French_100_CI_AS. What do they mean and which one is newer? When there's no Code, is it newer ...
1
vote
1answer
435 views

MySQL InnoDB does not return the last row on select with DESC order

We have a table scheme like following: CREATE TABLE IF NOT EXISTS `offers` ( `id` int(11) NOT NULL AUTO_INCREMENT, `campaign_id` int(11) NOT NULL, `user_id` int(11) NOT NULL, `price` double ...
0
votes
1answer
95 views

“Replicate” sql structure between testing and staging on same database instance

On my local development server I have a database set up which gets hooked into Entity-Framework and is then used for unit testing. Let's call it COMPANY\Database On the same server (and same database ...
3
votes
4answers
1k views

Working Linked Server Query fails in sp_send_dbmail

Take the following example: EXEC msdb.dbo.sp_send_dbmail @recipients = 'me@whatever.co.uk' , @query = 'SELECT TOP 10 * FROM LINKEDSERVERA.DATABASE.dbo.TABLE' , @attach_query_result_as_file = N'True' ...
1
vote
2answers
2k views

Same Parameter in MySQL Stored Procedure

How do I cache dynamic query from store procedure? Right now I have created my store procedure like this : CREATE PROCEDURE usp_MyProcedure ( IN UserID INT, .... ) BEGIN SET @sqlQuery = ...
2
votes
2answers
3k views

Changing PostgreSQL port using command line

My PostgreSQL default port is 5432, I want to change default port by using command line (in Windows 7). I saw this solution before: http://stackoverflow.com/questions/187438/want-to-change-pgsql-port ...
2
votes
2answers
179 views

What can I do to make mysql use the expected indices?

What can I do to make mysql use the expected indices? I've got 4 tables, two containing resources, and the others containing historical changes. One pair uses indexes correctly, the other doesn't, ...
2
votes
0answers
126 views

Wanted: Android versions of JDBC drivers for common RDMBSes

I've got a Java-based application library I'm trying to port to Android. The package presently supports: Oracle Informix DB2 Postgres Sybase ...And can easily be configured to use any other SQL92 ...
1
vote
4answers
3k views

Daily and Differential Backups [closed]

Is there a program with which I can create daily MySQL, PostgreSQL and MariaDB backups with these requirements: The first time, make a full backup. The second time, only the changes since the last ...
3
votes
1answer
297 views

Is there an effective way to create extended event data that includes stacktraces in SQL Server on a local db instance?

I read Paul Randal's article on getting the symbols for SQL Server. I have a theory that I could get the extended events to read the symbols from the symbol server catch directory by setting the ...
0
votes
1answer
1k views

Timezones in Oracle 10

I have an application that stores its timestamps in Oracle using UTC (Coordinated Universal Time). Another application reads these timestamps from the database, but there is no convenient way to ...
3
votes
0answers
400 views

SELECT COL_NAME(969262708, ORDINAL_POSITION) returns a NULL value in one of the rows [closed]

So I've got a Stored Procedure that's copying data from one table to another. It calls this other SP to get the column names. I didn't write this darn thing, but here's that part: ALTER PROCEDURE ...
2
votes
1answer
2k views

The job failed. The owner (pc\user) of job FULL DB BACKUP does not have server access

SQL Server 2008R2 is failing to execute log backup hourly. Date 5/2/2013 10:22:19 PM Log Job History (LOG BACKUP) Step ID 0 Server pc Job Name LOG BACKUP Step ...
1
vote
1answer
84 views

Query optimization when no row is returned

I am using explain to figure out what is happening in my query which is: explain select t from c where u1_id = 1 group by t; I see "Using where" in the Extra column of the resultset. But this only ...
3
votes
1answer
2k views

Use cases for hstore vs json datatypes in postgresql [closed]

In Postgresql, the hstore and json datatypes seem to have very similar use cases. When would you choose to use one vs. the other? Initial thoughts: You can nest with json; you can't with hstore ...
2
votes
1answer
2k views

Best practice: Unions or a derived table?

I've inherited a medium-sized database with a terrible schema. The sanitized portion in question is like so: CREATE TABLE `pending` ( ... `invoice` int(11) DEFAULT NULL, `lid` int(11) DEFAULT ...
2
votes
4answers
4k views

Database design - People and Organisations

Databases are not my primary skill and I am finding I need some assistance please. The software we are building has "Customers". The Customer could either be a Person or an Organisation. I really ...
0
votes
1answer
2k views

Real-time merge of two databases on different servers

One of the requirements our customer has given is to merge two databases running on two different machines in real time. This means that we have to build some sync policy (or use SQL Server tools to ...
0
votes
1answer
10k views

Database user specified as a definer

I have a view in my database. problem is below Error SQL query: SELECT * FROM `lumiin_crm_prod`.`v_contact` LIMIT 1 ; MySQL said: 1449 - The user specified as a definer ('lumicrm'@'%') ...
2
votes
2answers
3k views

Restoring differential backup from SQL Server 2005 to SQL Server 2012

We are migrating a client to a new server. Their old server has SQL Server 2005. I have attempted to perform a differential backup however I received an error about the LSN chain being broken. Please ...
1
vote
1answer
2k views

Varchar index - will hashing value make it faster?

I have a VARCHAR(1000) column in a table. It will contain strings that will not be guaranteed to be unique. I have a query that searches this column as part of a WHERE IN clause, the list of values in ...
0
votes
2answers
8k views

Why decrease the wait_timeout configuration parameter in MySQL?

Question I'm working on an application that uses a connection pool in Apache Tomcat to communicate with MySQL. I was wondering why would you want to use a smaller wait_timeout than the default of ...
5
votes
1answer
346 views

force PostgreSQL into recovery mode

I have a somewhat strange question. Is there a way to manually force PostgreSQL into recovery mode? I've not been able to find aything in the documentation. I've been working with a script ...
3
votes
1answer
3k views

SSMS 2012 is not showing the tables of the system databases

I have SQL Server Management Studio 2012 on my laptop connected to a SQL Server 2012. If I go in System Databases and then any of the 4 (master, model, msdb, tempdb) I don't have the Tables folder. ...
2
votes
2answers
3k views

How to tune mysql to be inmemory-like

I've given MySQL 5GB of memory (I use innodb), but when I insert lots of data (dumpfile is 1GB), hard drive I/O is still a bottleneck (CPU is not busy and hard drive is). Is it possible to force ...
2
votes
2answers
5k views

Is it possible to backup a database that is not ONLINE?

We have a job which backs up all ONLINE databases nightly, but for some reason it didn't back up msdb. So the issue is at that time msdb was in some status was other then 0. So my question is : is it ...
4
votes
2answers
209 views

Problem in Fetching Result set in Desired Format

I have 2 tables having the following columns Person ------ person_id, first_name, middle_name, last_name Items ----- person_item_id, person_id, item_type, status, ordered_date The query is ...

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