3
votes
1answer
230 views

How to upgrade MySQL (5.5) production DB to 5.6 with minimal downtime

Our existing Database size around 200GB. We want to use consistent, parallel backups methods. For testing, I migrated my Development DB from 5.5 to 5.6 by running mysqldump with option ...
1
vote
1answer
3k views

Cannot enter psql command “FATAL: the database system is starting up” [closed]

I cannot login into postgresql server using psql command (to create / update / delete table) because some sort of error like below. the command : [root@Server-Database pg_log]# su postgres ...
3
votes
1answer
1k views

PostgreSQL: FATAL: database locale is incompatible with operating system [closed]

I'd like to log in to PostgreSQL in my server to change my root (postgres) password . Debian GNU/Linux 7.1 wheezy PostgreSQL 9.1 After changing below: $ sudo vi ...
0
votes
1answer
718 views

Insert but ignore if duplicate AND set a value different if exist in another table

I'm trying my make an invitation system together with the Facebook PHP APK. What I basically want is when you have invited your friends, Facebook redirects back to your website with an array ...
-3
votes
1answer
272 views

error querying data with apostrophes [closed]

I'm getting empty sets from running the following query permutations: select * from gsapi_articles where article_title = "James Dean On Merilyn: 'This Woman Is A True Marvel'" select * from ...
0
votes
0answers
116 views

Slave fail first due to duplicate primary key then corruption error

I have a mysql db running the slave very well for few months. Suddenly today I notice it stopped since 18Nov. I check the status it was showing me the primary key duplication error. SO i stop slave ...
0
votes
0answers
35 views

How to install SQL Server 2008 R2 [closed]

My installation is completed, but no instance in not loading (I am on my service account). Show only .in for more browser. Not loading my instance in the database engine. Everything is completely ...
1
vote
2answers
2k views

Adding index to large mysql tables

I have a table | base_schedule_line_items | CREATE TABLE base_schedule_line_items ( id int(10) unsigned NOT NULL AUTO_INCREMENT, installment int(10) unsigned NOT NULL, on_date date ...
0
votes
1answer
129 views

Backup of Job's List only

Goal: Reuse the SQL server agent jobs list. Problem: The list contains a lot of jobs and I need to reuse the jobs list in a another time without recreating it. Based on the example of the picture, ...
3
votes
1answer
5k views

MySQL crashes randomly with “Database was not shut down normally” message in log

I am having an issue where, for no apparent reason, my MySQL server crashes and has to restart. Essentially, the error log has entries like this: 131128 12:16:35 mysqld_safe Number of processes ...
4
votes
2answers
1k views

Call multiple functions from trigger?

I run PostgreSQL-9.2.4 Is it possible to call 2 functions from a trigger? Let's say I have two functions for two different tables to be executed if following trigger fires: Trigger: CREATE TRIGGER ...
1
vote
1answer
1k views

how to set bulk_insert_buffer_size in mysql?

I want to set bulk_insert_buffer_size variable for insert. I searched from other pages too, all they are saying about my.cnf. But there is no my.cnf in my system. I checked my.ini and there is no such ...
1
vote
1answer
120 views

How big is a tmp table?

I've got an RDF table in MySQL 5.1 with the MyISAM engine. Here's the table definition: CREATE TABLE `node` ( `id` bigint(20) NOT NULL AUTO_INCREMENT, `graph` varchar(100) CHARACTER SET latin1 ...
2
votes
1answer
567 views

Database design for threading messages

I am not sure whether this question is suitable for this forum, but since it says Database Administrator I hope I am right. So my question is, whats the database design or business logic for creating ...
0
votes
0answers
96 views

is it good to add index on column used in group by clause?

I have a query like- select x, sum(y) from xyz where z>=100 group by x order by sum(y) desc; will it be faster if I am going to add index on x?
5
votes
3answers
40k views

select rows where column contains same data in more than one record

I have a table that has a column called article_title. Let's say the table name is articles. I need to find out the records where the article_title data is the same on more than one record. Here's ...
3
votes
1answer
1k views

SSIS Memory allocation

Is SSIS subject to the maximum memory limitations for SQL Server 2012 Standard edition? If I have a server with 128GB RAM and I allocate 64GB of RAM to SQL Server does SSIS utilise this memory or ...
0
votes
2answers
765 views

How to get rid of using temporary when using DISTINCT in MySQL?

When I do the following, I get Using where; Using index; Using temporary. How do I get rid of Using temporary? http://sqlfiddle.com/#!8/f61a2/3/0 CREATE TABLE `test` ( `a` varchar(45) NOT NULL, ...
0
votes
0answers
72 views

MSmerge_expand_sp triggers conflict in SQL Server

I am adding new data using SQL Server merge replication over web and getting this type of error. Could not find stored procedure 'dbo.MSmerge_expand_sp_A749C9F4793740CEA94A470F27259788'. Can ...
0
votes
0answers
334 views

db2 cannot execute C-function for Reason code 4

I've implemented a function as C code for db2. The library name is called libmyfoo.so and is stored id /usr/local/lib as declared in the External declaration. When I try to execute this function I get ...
5
votes
0answers
835 views

SQL Server 2012 performance issues (maybe due to linked server) [closed]

Summary of the problem We've spit our one database server environment into two servers. We are now having intermittent performance issues I am hoping someone can offer clues - perhaps direction ...
2
votes
1answer
314 views

Strange Postgres Hstore syntax with curly braces {key=value}

I'm using the following program https://sourceforge.net/projects/jailer/ to extract a subset of data from my database with correct associations following my foreign key constraints. The program ...
2
votes
1answer
98 views

DATETIME2FROMPARTS alternatives for SQL Server 2008

I am trying to part a datetime value and build it together removing minutes, seconds and so on. I want the values to be hourly. Usually this works on a SQL Server 2012 machine: DATETIME2FROMPARTS( ...
0
votes
1answer
57 views

Query Result Not Perfect on Mysql?

I have table Like This ID | City | Prize _______________________ 1 | Surabaya | Notebook 2 | Surabaya | Notebook 3 | Surabaya | 4 | Bandung | NoteBook 5 | Bandung | PC 6 | Bandung ...
0
votes
1answer
374 views

Need C# Sql Server Project Set Up Guide [closed]

I am creating a window application on c# .net and Sql Server 2008 R2. I will give the setup of this application to my client but I am little bit confuse about SQL Server Database. How the database is ...
0
votes
1answer
1k views

Calling another function inside a postgres function

I have a function A and function B. Function A Name is f_a() and the code is: Select id,address from A; Function B Name is f_b() code is: Select C.address,B.name From (Select id,name from B, ...
0
votes
1answer
863 views

Date of birth saving to MYSQL DB with timestamp or date column type [closed]

i am using MYSQL database and would like to know which of this is a good practice. way 1 - use column type in DB as timestamp. i.e will contain values like 2012-11-13 00:00:00 way 2 - use column as ...
1
vote
3answers
43k views

How to make sqlplus output appear in one line?

I have a table with 100 columns. When selecting data in SQL Plus the output wraps, making it difficult to read. What I'd rather like is either a horizontal scroll bar to appear or somehow send the ...
1
vote
3answers
4k views

SSRS Reports Manager Security Configuration

I happen to be setting up a reporting server at work from scrach. Having very little almost no experience of sql server administration I am finding it really difficult to configure the security ...
1
vote
0answers
273 views

Correct pg_hba.conf to allow script to run locally with a specific db-user

I've got a working postgreSQL database with following pg_hba.conf: local all postgres peer local all all ...
0
votes
1answer
3k views

Create database link on Oracle Database with 2 Databases on different machines.

I have 2 oracle databases (db1 and db2) on different machines, lets suppose: db1 on 192.168.1.1 and db2 on 192.168.1.2 What I want to achieve is to create a link on db1 that will allow me to perform ...
4
votes
1answer
2k views

Materialized view: compilation_error

When executing the following code on the SCOTT schema I receive a compilation_error. What am I doing wrong here? I doesn't even tell me what the error is. SQL> create materialized view dept_emp_mv ...
3
votes
0answers
79 views

Splitting SQL Server 2008 database [closed]

I manage a 280gb SQL Server database. The structure contains a single database file and many schemas. Each customer has a schema and an associated set of tables. so : MainDatabase : Schema1: ...
0
votes
1answer
107 views

Disk I/O High Activity [closed]

What does the green and blue indicate from the below scrteenshots of disk activity on SQL Server database server? Thanks!
0
votes
0answers
168 views

XML Serialization in SQL Server 2005 CLR

I know this question has been asked before, but none of the answers I've tried seem to work for me. I'm trying to execute a CLR Stored Procedure in Sql Server 2005. The CLR generates a file, sends it ...
0
votes
0answers
62 views

SQL Server 2005 Create a SQL Server failover cluster check button is not enabled

I try to install SQL Server failover cluster under windows 2003 or windows 2008. In both installing time I found the checkbox enable error. I don't know any changes want to do to windows server before ...
0
votes
0answers
734 views

Table Valued Function Very Slow

I have a TVF that when called takes 10 secs to run. However if I take the query inside that TVF, it takes only 1 sec. I have added correct indexes on this underlying query tables. In the Execution ...
2
votes
1answer
2k views

Oracle alter table modify column from NVARCHAR2 to VARCHAR2

Having a column FIRSTNAME NVARCHAR2(30) converted from VARCHAR2(30) with alter table ANGESTELLTER modify FIRSTNAME NVARCHAR2(30) -- worked! I tried to restore the original. However alter table ...
2
votes
1answer
5k views

How to diagnose what is causing DB timeouts [closed]

I'm a web developer which currently has the joy of managing a client website that is still using Classic ASP that uses SQL Server 2000. The code is quite old and in the process of been updated to a ...
0
votes
1answer
62 views

What's the point in mapping users in SQL Server Data Collection?

In SQL Server 2012 R2 Enterprise, whenever I check Management\Data Collection, right-click --> Configure Management Data Warehouse , I see whatever users-accounts-logins except the one I am logged in ...
0
votes
0answers
191 views

How does tablespace sizing works in Oracle

Let's say I have an input of 20 gigabytes of raw data (text file) which in turn I would into an external table and would then swap partition in order to place them on my database. The question now is ...
3
votes
2answers
952 views

Mysql Performance optimization, max CPU load, low qps

I would like if anybody could look into performance optimize this: I have a Ubuntu 12.04 running on VMWare 5.1, with 32 GB RAM and 8 Cores (No problems regarding cpu scheduling as the VM is almost ...
2
votes
2answers
707 views

How to configure data collection in SQL Server 2012?

In SSMS of SQL Server 2012 Enterprise on Windows Server R2 Standard, each time I am trying to set sub-option "On demand" of option "Non-cached - Collect and upload data on the same schedule" of Data ...
1
vote
1answer
213 views

Why is my database becoming suspect?

Here is my situation: restored a known good backup (works fine on other machines) that originated on Sql Server 2012 onto a local 2012 install. Created DB as part of the restore. No errors reported. ...
-2
votes
2answers
3k views

How to empty a column in mysql [closed]

I have table Like This ID | name | prize | ____________________ 1 | Mike |Handphone 2 | Josh | 3 | Sony | PC 4 | Jack | let's say my table have 1000 rows. If I want To Empty only the Prize ...
3
votes
1answer
99 views

selective undoing of commited transactions in PostgreSQL

I have inherited a small (<1M rows) PostgreSQL DB which contains complex business rules split across several tables. Updates are very light, reads not so heavy, but the data is extremely valuable. ...
0
votes
0answers
205 views

SQL Link Connection OLE DB provider Query Execution Failed

I have created linked connection in SQL and by which I am connecting Oracle server using OLE DB provider "OraOLEDB.Oracle". SQL Server = 2008 R2 Oracle = 10g Normally, When I am executing Insert or ...
0
votes
0answers
77 views

Recommended plan for 0min RTO and RPO

I have a Windows Server 2008R2 Server, running SQL Server 2008R2 SP2. The server currently only does a full backup once daily. The server's operational hours are between 8am and 5pm. The server's new ...
1
vote
2answers
35 views

Oracle Stored Procedures / schema maintenace but still keep service online, how?

I got a service running on a classic 3 tier model: 2 web servers and 2 application servers connecting to a single Oracle database instance. Most of the business logic are written as stored procedures ...
2
votes
0answers
161 views

Limiting PostgreSQL logging

I have a table that can contain reasonably large BYTEA values (the same could apply to large TEXT values). It looks like this: CREATE TABLE testtable ( id SERIAL PRIMARY KEY, name TEXT UNIQUE ...

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