0
votes
0answers
185 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
345 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
157 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
112 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
707 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
2k 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
1k 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
403 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 ...
2
votes
1answer
221 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
2k 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
313 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
179 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
593 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 ...
4
votes
1answer
589 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 ...
9
votes
2answers
3k 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?
7
votes
1answer
284 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
972 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
365 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.
6
votes
1answer
1k 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
3k 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
110 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
140 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 ...
4
votes
1answer
506 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
180 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
309 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
1k 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 ...
8
votes
3answers
953 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
186 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
510 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
46 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.
4
votes
2answers
236 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
50 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 ...
2
votes
3answers
3k 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
662 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
151 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
2k 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
1
vote
2answers
2k 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 ...
0
votes
1answer
829 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
960 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
201 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
1k 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 ...
0
votes
1answer
1k 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
2k 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
616 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
86 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 ...
0
votes
1answer
1k 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
103 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 ...
2
votes
3answers
1k 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; +--------------------+ | ...
4
votes
2answers
224 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
342 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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