0
votes
0answers
213 views

table is full in innodb

One of the table t_keyword_stat_ga in the my DB on server(currently the master) was set as INT for a column id. This column is also set as the auto_increment. As noticed today the INT column reached ...
1
vote
1answer
730 views

Commit Insert but Hold Lock

I have implemented what is effectively a reliable queue through the following: CREATE TABLE Queue (MessageID UNIQUEIDENTIFIER, Message varchar(255)) --Enqueue Command DECLARE @MessageID ...
2
votes
2answers
290 views

Disaster recovery plan - Having multiple servers

I work in an organization where departments are in different buildings. I have a data centre in the main building. All the in-house applications connect to the SQL Server residing in the server in the ...
0
votes
1answer
134 views

Query taking long time

My query is taking around 540 seconds to get result. Please help me to rewrite it. Query: SELECT pd.domain, fd.passkeyid FROM portfolio.domains AS pd, fabulousdomains.domains AS fd WHERE ...
1
vote
1answer
2k views

MySQL Index Fragmentation

Is there any way to find out the fragmentation of indexes in MySQL ? If such an output can be obtained, it would be helpful to identify which all indexes need to be rebuilt. I'm using MySQL 5.1 on ...
7
votes
1answer
4k views

SQL Server distribution database log file grows uncontrollably after full database backup

We have a merge replication environment that is pushing to 8 subscribers. This is working fine. Our distribution database is setup in Simple recovery mode. We have a maintenance plan that will backup ...
0
votes
2answers
4k views

Restore the latest backup on the database

We have a stored proc which takes the backup from a database to the specified location. Sometimes the backup process runs more than once. It causes having more than one backup set on the same file ...
1
vote
1answer
873 views

How to troubleshoot SQL Server Merge Replication Conflict?

I have SQL Server 2008 R2 Merge Replication setup. I have 2 publications for the same database with 20+ subscribers. The logic of our application prevents changing the same data from 2 subscribers ...
3
votes
1answer
525 views

PostgreSQL 9.1, how to restore a Hot Standby Slave w/o any Wal Files?

I have a PostgreSQL 9.1 hot standby slave that had all of its wal files removed. How can I restart the standby server and have the slave resync from the master? Thanks
2
votes
2answers
4k views

32-bit ODBC driver on 64-bit SQL Server [closed]

I am unable to use an ODBC 64-bit driver with SSMS 2012 running on a SQL Server 2012 64-bit instance. However, I believe that the 32-bit driver works. My question is can I use SSMS 2005 32-bit to ...
0
votes
1answer
1k views

Delete with subquery with no unique columns

I have a table LIKES (ID1, ID2). Both id1 and id2 are non unique columns. Database is SQLite delete from LIKES where ID1 = 10 /// Wrong there more then one record with ID1=10 delete from LIKES ...
1
vote
2answers
335 views

SQL Server Express in a shared hosting environment

I have created an ASP.NET project in Visual Studio. The database is a SQL Server Express database TestDB.mdf. I uploaded this with .ldf file to the standard App_Data directory but the connection ...
3
votes
2answers
2k views

DB2 error - SQL Statement too long or complex

Getting this error in a DB2 production system: ERROR [HY000] [IBM][System i Access ODBC Driver][DB2 for i5/OS]SQL0101 - SQL statement too long or complex. The statement has a large number of OR ...
5
votes
1answer
2k views

What relationship type to use for this messaging system?

I am trying to make a small messaging system. It should have these properties: One user can send a message to one or many users Messages can be sent only to registered users (i.e. to an existing ...
17
votes
2answers
12k views

Difference between SQL batch, statement and RPC?

What is the difference between SQL batch, T-SQL statement and Remote Procedure Call? How can I tell if part of the T-SQL code is a batch or statement?
8
votes
1answer
572 views

Designing Simple Schema for Disaggregation of Demand Forecast

I am doing a simple database design task as a training exercise where I have to come up with a basic schema design for the following case: I have a parent-child hierarchy of products (example, Raw ...
1
vote
2answers
2k views

Postgresql - Segmentation fault (core dumped)

I'm working on postgresql code (server side). I installed a version from source code following the official tutorial: http://www.postgresql.org/docs/8.4/interactive/install-short.html I did same ...
1
vote
1answer
2k views

What would cause Mysql database entries to be truncated to 253 characters?

Randomly seeing database entries truncated to 253 characters on a php site and can't figure out why or if it could be malicious or a corruption issue. Any thoughts would be appreciated.
13
votes
1answer
3k views

Is PostgreSQL replication production ready?

How does PostgreSQL native replication compare to MySQL? I know asynchronous replication has been supported for longer than sync, which is recent. Is synchronous reliable to be used in real projects? ...
1
vote
1answer
8k views

Oracle 10g dump file into Oracle 11g database

I went through this link for my answer to the same question. I was not sure if i could continue in the same link, so created a new question. Oracle 10g dump file push into Oracle 11g database Sorry ...
1
vote
1answer
137 views

Issue with Storage Engine

Just got the below error in one of the slave. I just Googled it and changed the variable myisam_data_pointer_size from 4 to 6. Somehow, my ALTER TABLE was successful. Can you please let me know ...
1
vote
0answers
324 views

MySQL Workbench and Optional Many's

I have used workbench before to make databases code wise and I just started looking into its EERD functions. I created a small database for a test project and found some odd things about how MySQL ...
5
votes
1answer
971 views

The backup of the file or filegroup “fileStream” is not permitted, because it is not online

I'm trying to backup a database, which has been created by someone I don't have access to. I get this error message: The backup of the file or filegroup "fileStream" is not permitted, because it ...
0
votes
2answers
384 views

Oracle 10 UPDATE query

I get 0 rows updated message when I ran the query below. Why? Any ideas? Update salespersons set salespersons.salary = salespersons.salary * 1.12 where salespersons.empid = (SELECT ...
1
vote
2answers
511 views

How arrange columns in sp_whoisactive by Adam Machanic

I really like using sp_whoisactive v11.11 by Adam Machanic. But when then info is displayed, the DB name is at the very end. I would like it to in the very first columns so I don't have to scroll ...
1
vote
1answer
4k views

Oracle 11G Can't create database from template

I am attempting to create a new database from an existing template in Oracle 11G. I have done this before using dbca and haven't had a problem, but now I am hitting the following error: TNS-04404: no ...
10
votes
3answers
2k 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), ...
1
vote
1answer
636 views

Struggling with complicated date query

So I have been tasked to write a query involving dates for a contract management system we have. The database stores the date the contract's primary terms expired, the frequency that the contract ...
7
votes
1answer
1k views

selecting more fields causes catastrophic failure

I have a connection to a linked server from sql server 2012 to pervasive sql. When I do select field1, field2, field3 from mytable everything works! However, when I do select field1, field2, field3, ...
2
votes
1answer
98 views

Best Practices. Do you append to the existing backup setup when doing a Transaction Log backup?

When doing transaction log backups, is it best practice to just keep appending to the same file or creating a new .trn file for each backup? Thanks.
5
votes
2answers
564 views

Integration Services Catalogs - Version Description

In Integration Services Catalogs I can see what versions of a package/project are available and if necessary revert to an older version. On this dialog I see a field "description" however I found no ...
1
vote
0answers
57 views

Fulltext indexes and issuers with server startup

I have a windows server for host about 4500 data bases for same application. And this application have 34 fulltext catalogs on it, and the CHANGE_TRACKING for this fulltext index are AUTO. And the ...
4
votes
3answers
14k views

Detecting SQL Server Utilization with a query

My current project will send queries to an sql server constantly and It may use 100% of the memory or CPU. How can I check if the server is nearing full utilization in a stored procedure so that I ...
1
vote
1answer
1k views

MySQL InnoDB logfiles resized - review mysql-err.log for potential problems

I restarted mysqld this morning, to increase the size of the innodb logs and increase the amount of memory allocated to the innodb buffer pool. (MySQL 5.1.53-Community on Ubuntu) To increase the ...
0
votes
2answers
663 views

How to influence Oracle backup output size?

I have two environment one Prod one Dev. Dev is created by Prod data and both have a similar database size. However, the backup output size varies greatly. Prod is about 300 M while Dev always above ...
0
votes
1answer
5k views

Copy files using script to a network share

Is there a simple script I can use to copy files in a particular folder to a network share? This is for use with SQL Server Agent so I can run it as a step after backups. Thanks
4
votes
2answers
5k views

Which hot backup tools for MySQL InnoDB database : Percona XtraBackup, Zmanda Recovery Manager Enterprise or Community or…? [closed]

I manage a PHP/MySQL website : max 500 simultaneous users / average of 4000 per hour in update/read 1 MySQL Community Server (5.1) - (Xeon / 16 Go RAM) InnoDB Storage engine on 100 tables for 1.4 Go ...
1
vote
1answer
2k views

MySQL - Performing an IF statement for each row in a query

I have a hurdle I'm trying to overcome with a website I'm building. I know what I want to achieve but I'm still pretty new to mysql so I'm not exactly sure how it's supposed to fit together. Setup: ...
1
vote
1answer
2k views

db INDEX on ORDER BY FIELD in very simple query does not help - still slow response?

I have very simple query which returns 200K records very slow (20 seconds). SELECT * FROM TABLE ORDER BY ID DESC If I do just SELECT * FROM TABLE it returns quick result. I created INDEX on ...
2
votes
1answer
318 views

INSERT trigger dying with with #target columns not equal to #expressions, but they are equal

I am trying to write my first trigger. It is an insert trigger as follows: <b>Fatal error</b>: postgres7 error: [-1: ERROR: INSERT has more target columns than expressions at character ...
3
votes
1answer
4k views

What happens when changing column type DATETIME to TIMESTAMP in MySQL?

I want to convert a column data type from DATETIME to TIMESTAMP in a table with more than one million of lines. Is it possible? Is it slow? Will I lose the old information or MySQL can convert this ...
3
votes
1answer
3k views

What is the actual difference between innodb_autoinc_lock_mode 0,1,2

I would like to understand the differences between innodb_autoinc_lock_mode options 0,1 and 2 when parallel load data infiles are given. I see in "0" option, it locks the entire table and does the ...
1
vote
1answer
7k views

conversion of high_value to date datatype

I need to comparte the high_value which is of LONG datatype to sysdate which is of DATE datatype. I need to fetch the partition names of all the partitions which is 90 days old. The code is some what ...
1
vote
3answers
1k views

Migrate DB2 UDB (Iseries) to SQL Server [closed]

I'm looking for a tools that allows migration of DB2/UDB databases to SQL Server. It's quite easy migrate schema and data using linked server or import export with SISS. But what about stored ...
2
votes
3answers
106 views

SQL Update Efficiency and Blocking Concern

Say I have some SQL similar to the below, which is an update with many joins. The number of rows actually being updated may be 1000's or potentially only a few. The actual join takes a long time as ...
1
vote
1answer
2k views

mysql fine tuning: open_tables, opened_tables

I'm a novice to database administration and have been depending on forum suggestions and answers to help resolve my database hang ups and too many connections errors; I've managed to reduce the ...
0
votes
1answer
165 views

Is it possible to drop data from OLAP database (and to keep definitions)?

[SQL Server Analysis Services from MS SQL Server 2008 R2 Standard] Our OLAP DB takes data from OLTP DB. We want to make some changes to its structure and to do this - it would be helpful if we could ...
5
votes
3answers
4k views

Strange MySQL database that I can't select

I am investigating a web site server (CentOS release 6.3) that runs the traditional lamp stack; I am getting the following output my MySQL; mysql> show databases; +--------------------+ | ...
5
votes
2answers
233 views

MySQL | Complex (for me) SQL Statement, how to?

I have a table that contains posts and another table that contains meta options for each post in first table. The meta options table is a key value pare table. Lets say I have the posts tables that ...
0
votes
3answers
621 views

Transaction in SQL Server

Consider a scenario, when 2 Stored Procedure called inside a Stored procedure like follows. Note: All 3 SP’s are implemented with TRANSACTION. CREATE PROC [dbo].[SP3] AS BEGIN BEGIN TRAN EXEC ...

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