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2answers
165 views

How can delete an orphaned temporary table on Mysql Innodb?

I was issuing an Alter table statement and suddenly the server crashed, Now i can not run any alter table to that table because it shows me the error 1050 and it says that a table named #sql1504d ...
2
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1answer
60 views

Ways to Reduce Database Size and possibly improve performace. Untouched enviroment.

I am new to an environment. The Databases are virtually untouched by a seasoned DBA. I am looking for ways to reduce DB size and possibly improve performance. Unfortunately, I only have WEb edition ...
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1answer
28 views

Unable to connect to mysql remote

I am struggling to connect MySQL database with my application, I am having the following set up 3 Applications running in cluster mode and trying to connect with same DB. MySQL database running on ...
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1answer
41 views

For multiple mysql instance , fresh download required when one exist?

i need multiple instances of Mysql on same server. I had been through many links , but i confused here : What i have : MySQL 5.6 is already installed on my windows server A. Installed at : ...
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1answer
117 views

What is contained in the controlfile of oracle database?

As we all know that controlfile contains datafile locations and redo log locations along with their names.It also contains dbname,timestamp,checkpoint info,log sequence number,rman backup info.In ...
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1answer
83 views

How to directly query other user tables

I am trying to learn Oracle database and I am having difficulties on importing a backup file with impdp command. I googled deeply but couldn't find answers to my problems. What have I done until now ...
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1answer
48 views

Mysql JOIN with 25million rows

Recently I got stucked with a table where its grown to +25million and I have got a query that's doing a JOIN on it. The query take 2.5hours to execute even though I got Good 96GB RAM and RAID10 with ...
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1answer
69 views

Can any one Explain me What is the Use of Cascading Replication in Postgresql?

What are the advantages of cascading replication in PostgreSQL. I have done Testing On this With three nodes. M1---->S1----->S2 What is the Use if My master(M1) goes Down(failover). Where the ...
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1answer
43 views

Who should own the staging database right

At my company we are re-assessing which developers will take on the deployment for xyz ticket. At the moment when a developer is done with his ticket, a deployment ticket is created and another ...
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0answers
47 views

A call to a package procedure fails after upgrade to PSU24

We have just upgraded an Oracle Database 11.1.0.7 from PSU6 to PSU24. We have set a AFTER SERVER ERROR trigger to track application errors a while ago and checked its history table. Summary We see ...
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0answers
35 views

Identify a blocking process in MongoDB

I have a single MongoDB instance is performing quite badly. I noticed that db.currentOP().inprog.length quite often becomes quite big, sometimes even goes up to 100. When I drill down to the actual ...
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0answers
45 views

create table in a different schema

I am trying to create a table on a different schema without using "create any table" privilege. I have an application user/schema. TABLESPACE_NAME USEDMB MAXMB ...
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0answers
39 views

Slave not getting replicated SERVER_UUID error

Unable to start replication Master-Slave, I have searched a lot for this but unable to get the Server-UUID of both the server. Do we have any solution for this. Scenario: I have created new slave ...
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0answers
13 views

AlwaysOn Availability Groups with Different subnets

Am Successfully configured the Always On with different sub nets. but I have one small glitch here every time am manually flushed out the DNS (command prompt ipconfig /flushdns) while fail over is ...
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0answers
47 views

Teradata how to create a sysdba super user

I am relatively new to Teradata. I was told by my Teradata consultant to create a super user or a role for DBAs to use, in stead of using DBC. I tried the following syntax, but kept getting errors: ...
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0answers
19 views

events not getting completely written in binary log file MySQL 5.0.32

referring this question : Records not getting replicate from Mysql 5.5.32 to MySQL 5.6 i found that binary log files which has been created at master database server , i see following surprising ...
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0answers
149 views

MySQL replication: most important config parameters on slave for performance on master server?

This query is almost the same as this question. But in this case, a configuration to make the master perform faster or just the same. Case We have a Master-Slave setup on a Mysql 5.0.77 - MariaDB ...
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0answers
46 views

Why do I get this CMN_1021[ORA-03135: Connection lost to contact

My Informatica application throws this error not every time but randomly. Not sure of what is the root cause of this ..
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0answers
27 views

SPExecuteSQL;1 keeps executing internally

Having a major issues with this procedure called SP_ExecuteSQL;1. It keeps executing internally in SQL Server 2000 with high utilization of CPU. When I pass its SPID in DBCC inputbuffer it shows as ...
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0answers
48 views

Restore data from MYSQL Bin log

I am trying to restore some data from mysql bin log file. But when it encounter some special characters, query gets break and I am not able to continue after that. Is there any way to handle special ...
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0answers
36 views

Can it Possible to do Mysql Active - Active Replication between Redaht linux 6.4X and Ubuntu 12X?

I have small doubt regarding Mysql Active-Active Replication. Can it Possible to do Mysql Master-Master (Active-Active) replication in Mysql between Redhat Linux and Ubuntu? Thanks & regards, ...
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0answers
679 views

A issue on DB link between Postgres and Oracle?

I am trying to create a DB link between Oracle and PostgreSQL using OCI. CREATE DATABASE LINK oraedb CONNECT TO hr IDENTIFIED BY 'hr' USING oci '//127.0.0.1/xe'; CREATE DATABASE LINK When I ...
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0answers
444 views

Creating and tuning a materialized view in oracle for use by Cognos BI

I am currently in the middle of a Cognos BI implementation and am having difficulty in tuning a view in order for SQL Server to select its contents for fulfilling the incremental load in a timely ...