The discipline of Operational and Architectural Management of Database Systems.

learn more… | top users | synonyms

0
votes
0answers
10 views

don't understand atquery command script [migrated]

I'm using a big-data database. in one of it's tutorial it has recommended me to use below bash scripts if order to running queries: #!/bin/sh # this will launch the real atquery program with the ...
0
votes
0answers
50 views

RDS MySQL memory usage question

I have an instance of RDS of MySQL 5.7.10 I am on a package: db.t2.micro which grants me 1vCPU and 1Gib of memory. I am using Monitoring window to monitor the CPU/Memory usage. I do not understand ...
0
votes
0answers
10 views

Remedying psycopg2:OperationalError in postgresql 9.3.10 database

I have a Django app + postgresql 9.3 DB, hosted on Ubuntu VM. Recently my VM ran out of disk space, resulting in no space left on device errors showing up in my logs. I cleared the space on the device ...
0
votes
1answer
62 views

Error launching sqlplus

I try to run sqlplus on my server with the command sqlplus /as sysdba and I got this error sqlplus: error while loading shared libraries: ...
0
votes
1answer
23 views

Check is there is an Empty Column Value

Let's say we have a Table in MySQL Database called TAB1 that Contains two Columns col1 : col2 . the question is : is there a way to check is any of these Columns Contain a Null or Empty Value? for the ...
0
votes
1answer
15 views

Install MongoDB on Debian

I tried to install MongoDB using this command: apt-get install mongodb=3.0.1 But the version 3.0.1 was not found. How can I install it?
0
votes
0answers
51 views

Database as it is raw content

recently I asked my hosting company to give the backup of my database . I asked them to create a new database and import backup to that database. But they reply cannot dump database ...
0
votes
0answers
16 views

3023 : File serialization issue with transaction log backups

I am trying to take a transaction log backup on one of the AO replica servers. It throws an error saying that backup operations must be serialized. I googled this and found that only one backup should ...
0
votes
1answer
58 views

Starting MySQL… ERROR! The server quit without updating PID file (/var/lib/mysql/SI-CloudDB-003.pid)

I have changed mysql (5.6.29 linux centos 6.6 final) port from 3306 to 3310 and getting below error and its work fine with 3306. Starting MySQL... ERROR! The server quit without updating PID file ...
0
votes
1answer
36 views

Array as a column vs lookup table

Hi I have two tables that has one to many relationship. Table 1 Users: ------------- | id | name | ------------- | 01 | John | ------------- | 02 | Harry | ...
0
votes
0answers
28 views

Problem seeing Table Diagrams after Downloading SQL Server 2014. Default Status? [duplicate]

I recently downloaded and installed SQL Server 2014, and I am having trouble even viewing the table diagrams (i.e., the database ERD). Just curious: What kind of access level is necessary in order ...
0
votes
0answers
17 views

MS Access - Extract Data from Proprietary mdb file

my friend has this "software" that manages financial records, with a lot of user data per record. This "software" is really an access file. To launch it, you use msaccess.exe program.mdb, and it ...
0
votes
1answer
36 views

Relationship between data independence and database schema

What is the relationship between data independence and database schema? I know both of them separately. But I don't know how to explain the relationship of these two.
0
votes
0answers
24 views

search pgadmin for column

I'm a front end dev and this is my first time doing serious database work. I have json sent to the client that looks like this: prop[0].event.history = 'foo'; //can also be 'bar' I wanted to ...
0
votes
0answers
6 views

What are the advantages of Packet Inspection and SHOW FULL PROCESSLIST over PERFORMANCE_SCHEMA?

We have several MySQL Servers (v 5.1) scattered across different geo locations. We are considering upgrading to the latest MySQL version as we heard a lot of good things about PERFORMANCE_SCHEMA ...
0
votes
1answer
25 views

Unstructured to Structured Data

This is highly a research based question about converting the unstructured textual data to structured data. Are there any systems or tools perform automated process of converting the unstructured data ...
0
votes
0answers
65 views

Create File,secondary FileGroup then move a table and restore database with 'Primary'

I created a secondary FileGroup, added a File, moved a table there, and then restored the database with 'Primary'; however, the table name is still there and when I use a select statement I get an ...
0
votes
0answers
11 views

How can i delete or clear log files in sql? [duplicate]

I would like to clear the space occupied by log files how to do that in an sql server
0
votes
0answers
42 views

Phpmyadmin not displaying table data

I have a table named "log", which basically stores error log for my php application. My application has database running on rds, and recently i had to delete logs from this table, so i downloaded a ...
0
votes
1answer
42 views

Query other database's INFORMATION_SCHEMA tables

I have a shared database that stores procedures for all the other databases on the same server. This helps maintain one instance of a procedure rather than copying it across all databases. As long as ...
0
votes
1answer
181 views

pgbouncer 1.7 with TLS/SSL client and server connections

With settings borrowed from a similar server running Postgres 9.4.1 & pgbouncer 1.6.1, I have multiple users connecting to the database through pgbouncer on port 6543. I also have a second server ...
0
votes
0answers
14 views

Manage clone of Production MongoDB on UAT env

I have mongodb (v2.4.9) replication setup on AWS ec2. I have one primary and 2 secondary for Production environment. The db size is around 80 GB and i am maintaining a snapshot of primary db server ...
0
votes
0answers
31 views

How to clean up transaction logs in production database [duplicate]

My stored procedure when executed on server machine takes nearly 1hr but when executed in my local it takes 1 minute. So when I check the log file, its size was near to 65 GB. Guess these logs are ...
0
votes
0answers
95 views

how to recover everything from ibdata in mysql

I lost all my databases files after my hard disk was broken, In a way or another I got ibdata files the size for the file is 4GB.After replacing log files and files and type innodb_force_recovery=6 in ...
0
votes
1answer
48 views

what is the consequence of setting enableQueryTimeouts to FALSE?

MySQL Connector-J has a property enableQueryTimeouts which is TRUE by default. However, in the documentation it is mentioned as : When enabled, query timeouts set via Statement.setQueryTimeout() ...
0
votes
0answers
308 views

Oracle Error ORA-15042 when trying to mount a diskgroup

everybody. I am having some troubles mounting my DATA diskgroup. I am getting this error: Mounting Disk Group DATA failed with the following message: ORA-15032: not all alterations performed ...
0
votes
1answer
55 views

Movement of Standby database from one location to another location

Looking for help on below mentioned process We are planning to move the standby database from Location A to Location B. I need your help to move this database using lift and drop method, by ...
0
votes
1answer
20 views

Cannot access mysql in ec2 instance

mysql -u root ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) I installed mysql server on a ec2 instance and started it. Seems like it started , but when I ...
0
votes
1answer
38 views

mySQL Data loading: Better to column map or INSERT SELECT INTO ETL?

I've got 125 csv files to upload into a database. The files are typically ~200K rows and 30 columns. In order to make the data more relational I was going to column map during LOAD DATA INFILE ...
0
votes
2answers
63 views

Missing rows in Visual DBA, exist when queried specifically

Greetings fellow DB Admins, I have an interesting issue on which Google has failed me. Background: I am working with medical records managed with Ingres SQL. The other day I wrote a simple query in ...
0
votes
0answers
27 views

How can I find last access time for users or specific users to all databases in SQL Server

I have a SQL Server with more than 100 Databases and I should manage the server and it's space usage, users can restore and use backups they have on the server, I have a software for this server,if ...
0
votes
1answer
30 views

Set Default Maximum Rows for Export

I am more of a Vertica database user than admin, so I'm not even sure if what I'm asking is absurd, but here goes nothing... Could I, as an admin, put default restrictions on the number of rows that ...
0
votes
0answers
38 views

What the exact different between Oracle Fusion Middleware and alternative (Non -Fusion)?

I have properly working CentOS release 6.7 (Final) and I have installed Oracle Database 11g Express Edition, Oracle SQL Developer (Working properly). Now I want to install Oracle Forms and Reports ...
0
votes
2answers
40 views

How can I handle delayed records a month or older on a table clustered on time?

I have a two part question really for anyone working with data warehousing where they have large fact tables. Question 1 Lets say you have a table that has 500 million or more records in it that is ...
0
votes
0answers
18 views

Wordpress DB's and fixing corruption

I'm usually over in the Wordpress stack exchange but I thought this would be more pertinent in this community. Recently I took down a site I spent a few years developing it's content and closed the ...
0
votes
0answers
26 views

Does extending datafiles affect performance

We have an Oracle 10.2.0.3.0 on Windows 2003 Server which is scheduled for upgrade within the next six months. One tablespace is about 2TB in size with over 250 data files. Some of these were ...
0
votes
2answers
130 views

Unable to start Oracle database

We have a oracle database, one data file(users table space) of the instance got corrupt and another data file(containing application data) was deleted due to some issue. The database is in ARCHIVELOG ...
0
votes
0answers
158 views

Merging time series in influxdb 0.9.x

I have a system which demands monitoring its metrics. In order to do that I use grafana + influxdb. The version of influxdb I currently use is 0.9.x. I want to be able to calculate some statistics. ...
0
votes
0answers
122 views

Oracle RAC Database software installation failing after successful Grid installation

2 node installation. Grid successfully installed. RAC DB software installation fails on node 2. Logs below: ****Oracle Services For Microsoft Transaction Server failed**** Node 1 (installation ...
0
votes
0answers
87 views

Database design recommendation for a workflow-enabled ticketing application

I am working on a ticketing application; tickets are created and they need to be resolved. A ticket needs to go through many steps (in this case 4 steps). Not just a single user in my application can ...
0
votes
1answer
167 views

Mongo error : Could not lock auth data update lock. on root user

i have a mongodb on 2.6.9. my connected user is root: mongo --username myadmin --password thepassword --port 27018 --host 127.0.0.1 admin MongoDB shell version: 2.6.9 connecting to: ...
0
votes
0answers
98 views

Login failed for user xxx because the account is currently locked out

Sometimes, my database user is locked out for no reason, and seconds after then unlocked, I was trying to found a reason around www, but I just found a manner to correct the intermitent error each ...
0
votes
0answers
60 views

Batch Processing in Talend open studio for data integration

I am using TOS for data integration to transfer a data between mysql and postgres. Its transferring data between small tables successfully. But a table has 3GB data. while trying to transfer data its ...
0
votes
1answer
145 views

Time out while connecting to the database. Current time out value is 30 seconds

I am installing a repository creation utility on a windows 8 x64 bit system and getting the following error: Time out while connecting to the database. Current time out value is 30 seconds When ...
0
votes
0answers
32 views

How to work with a master database and multiple terminals

We have a main database in postgres used to assemble updates using flyway and modified from a single terminal. Now we want to know what the best way to work with multiple terminals making changes to ...
0
votes
0answers
36 views

How to improve the slow performance with Insert operations in SQL Server 2005?

Suddenly our server started to have a bad performance, after trace the error, I identified that the inserts are the problem, this seems a know bug: https://support.microsoft.com/en-us/kb/940545 (The ...
0
votes
2answers
215 views

Replace a specific part of a string using MySql

I have many Strings in the database Like <iframe src="https://www.youtube.com/embed/-qTiYA1WiY8&index=8&list=PLPNcLSfYNC3Dw535smncyHRCBRmdf1Bti" frameborder="0" ...
0
votes
1answer
65 views

Need to maintain transational consistency of the data across both servers, need to achieve these goals without manual intervention

I got this question about MS SQL Server 2012 administration, two production servers in the same data center. You need to ensure that database remains available if a catastrophic server failure or a ...
0
votes
0answers
69 views

Error: 17806, Severity: 20, State: 14

I have frequent access error log like below: Error: 17806, Severity: 20, State: 14. SSPI handshake failed with error code 0x8009030c, state 14 while establishing a connection with integrated ...
0
votes
0answers
17 views

Redshift schema access permissions not applied to new tables [duplicate]

I've granted privileges to a group in Redshift: GRANT USAGE ON SCHEMA public TO GROUP read_clients; GRANT SELECT ON ALL TABLES IN SCHEMA public TO GROUP read_clients; However when I create a new ...