The discipline of Operational and Architectural Management of Database Systems.

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0
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2answers
131 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
44 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 ...
1
vote
3answers
1k views

List all tables from all user databases

sys.tables lists all user tables from a single database, But it doesn't have their schema name. If I know existing databases when creating the code, I can use USE to browse all databases, query ...
1
vote
0answers
53 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
13 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 ...
0
votes
0answers
98 views

Cant connect to local teradata database in VMware image

Login credentials for VM linux: root/root database: dbc/dbc The image`ve been downloaded from here. (this version TDExpress15.00.02.08_Sles11_40GB.7z) I successfully launched VM image, but failed ...
0
votes
0answers
69 views

Get Event name during it's execution

We want to maintain event's logging within the MySQL DB so I want to get event's name during its own execution. Is there any way to get event name in its own execution? For example below are the ...
0
votes
1answer
91 views

Problems attaching a SSAS database

I am attaching a SSAS database that I have just moved to a different drive following the below link: Attach and Detach Analysis Services Databases First I had to grant permissions on the new drive ...
0
votes
0answers
106 views

Interpreting AWR report(top queries)

Could someone help me to understand a part of awr report? Below I'm pasting the top sql statements. I see there was a (very) huge number of executions of the first query. I see it was called from web ...
0
votes
1answer
36 views

I have a database design for an E-commerce website. Need to know how to display related product for each specific product

For example: A customer is viewing a product on the website, say a laptop. There's a section on the left where i need to display products from the database that are associated with this particular ...
0
votes
0answers
9 views

Pentaho getfilename error

I am try to send 20 mail with attachments using pentahi DI, Jobs are like below Get File Names--->Add constants--->Mail But some mails are not send with below error, Thay say files are not ...
1
vote
1answer
214 views

The service name is invalid while starting EM on oracle 11g on windows

I am trying to start EM on oracle 11g on Windows. When I performed emctl start dbconsole It shows The service name is invalid more help is available on net helpmsg 2185 and when I wrote net ...
1
vote
0answers
200 views

Records not getting replicate from Mysql 5.5.32 to MySQL 5.6

1. I have a MySQL 5.5.32 server (community edition) on one Linux server which is master. 2. I have a MySQL 5.6 server (community edition ) on another Linux server which is ...
0
votes
0answers
25 views

SQL TDE Key Format

I'm trying to find the Key Format that SQL TDE uses. Is it PKCS? If so, what #? I haven't been able to identify this based on research done on MS website. And, there is no mention of key format during ...
4
votes
1answer
50 views

Problem when add administrator for Analysis Server ( SQL Server 2008 R2 )

I'm trying to add a user as an administrator in Analysis Server, doing this: 1 - Connect - Analysis Server - Right click on the Instance - Properties - Security - ADD : This number was already ...
2
votes
1answer
421 views

Can I do VACUUM FULL to pg_largeobject table?

I have two tables (table1, table2) in a Postgres 9.1 database. Both having oid type. Each table 1 million records. And pg_largeobject table size is around 40GB. I have removed 0.9 million records from ...
0
votes
0answers
78 views

User is An employee. Role or relation

I've created a database based on a party-model. In short I show you the tables: parties, kind, party_to_party_relations, role, party_roles table parties: CREATE TABLE `parties` ( `id` int(11) NOT ...
2
votes
1answer
54 views

Meaning of SERVERPROPERTY ('ResourceLastUpdateDateTime')

I have researched a while, a lot of articles name it and tell us to use it - but none really explains the meaning of the date and WHEN exactly it changes. Does anyone know? Samples for articles not ...
-2
votes
1answer
81 views

Difference between exp and expdp [closed]

I am a newcomer to database administration. Can someone briefly explain to me the difference between commands exp and expdp?
0
votes
1answer
21 views

Mongo DB Site to Site Migration

I am somewhat new to MongoDB but I do have some experience with MySQL and PostgreSQL. Currently, I need to migrate Mongo DB from one site to another. The sites should be identical (development and ...
0
votes
1answer
88 views

Identifying root cause of high cpu load

I need to research what caused a high load in our Oracle database some days ago. I wish to see a list of of high-load SQL statements. We don't use any Oracle tools like ADDM or AWR. I tried to ...
0
votes
0answers
88 views

Method to economically insert Bill of Materials BOM items into a Stock Table?

I’m new to the wonderful world of database design and I’m currently experimenting with an implementation for my little brother relating to Model Train Sets. [I will be using SQL Server 2012 / Asp.Net ...
0
votes
0answers
28 views

Microsoft SQL Data Services OR SAP Master Data Governance / SAP NetWeaver

I want to know in which cases should I use Microsoft SQL Data Services OR SAP Master Data Governance / SAP NetWeaver, and what advantages bring each one comparing with the others.
3
votes
1answer
134 views

Can a Table Lock eliminate a deadlock or make it worse Oracle

We have a situation in which an Oracle Database is having deadlocks issues. I said that perhaps we should lock into some table locks, and a guys response to me was "Unless I am misunderstanding ...
0
votes
1answer
222 views

can i shrink log file in full recovery model

i have configured Always on Availability group where iam unable to shrink log file size through simple recovery model. can i shrink the log file size in full recovery model if yes or possible then is ...
0
votes
1answer
57 views

need to get data from Global Temp Table from db1 to db2 and show the data in Oracle form

I need to get data from Global Temp Table from oracle db1 to db2 and show the data in an Oracle form. In db1, a stored procedure is populating data in the GTT and showing it on Oracle forms as this ...
0
votes
1answer
73 views

SQL server 2014 Transaction Log Backup fails

I have setup a Maintenance Plan for my SQL server 2014 Database. This Plan Generates Full Backup every Sunday, and Differential backup every Day and Transaction Log every hour. This Maintenance plan ...
0
votes
0answers
24 views

Can you use SQL Server Development Edition for a website? [duplicate]

I've got a website I'm developing, and it's database driven. If I use SQL Server Development Edition as the back end, is that "legal"? I'll be the only developer using the software, but it will be ...
7
votes
1answer
3k views

Cannot execute as the database principal because the principal “dbo” does not exist [duplicate]

I restored a backup of a database from SQL Server 2008 R2 to SQL Server 2012. When I try to access a particular page of my application, I get this error: Cannot execute as the database principal ...
3
votes
0answers
82 views

How can I generated a list of all DB2 Objects including Last Modified Date of object on AS400?

I am going through an audit, of an AS400 application. AS400 has a DB2 database, and I need to generate a list of all DB2 Objects/Tables including their last modified date. Can anyone help me? Thanks ...
0
votes
0answers
46 views

Does MySQL InnoDB compression combined with Windows compression save more space?

We have a very large MySQL InnoDB database, compressed using the following syntax at the end of the table declaration: ENGINE=InnoDB ROW_FORMAT=COMPRESSED KEY_BLOCK_SIZE=4 We also have windows ...
3
votes
1answer
165 views

PostgreSQL doesn't use all the RAM it could

I'm having performance issues with my PostgreSQL 9.4.1 server. I have tuned the server using the usual best practices (pgtune + google). Here's the relevant config: # <snip> the default config ...
3
votes
4answers
238 views

What architecture is best to store a large 3 dimensional array in MySQL?

I am looking to create a large 3 dimensional database in MySQL. The structure will basically be a standard MySQL table, with a time component / dimension added. See the following analogy: { x, y, ...
1
vote
1answer
34 views

Is there a query to see if all of my logins and password are moved during migration from SQL Server 2005 to 2008R2

I am trying to migrate my database from SQL Server 2005 to 2008 R2 test, I did follow back up and restore method to migrate the database, and I ran the QUERY provided by Microsoft to transfer logins ...
0
votes
1answer
45 views

Can mongoDB split read and write, with primary on HDD, replica sets on SSD?

I have three machines, each machine both has SSH and HDD, I want to save SSD space, and in my env: less write, lots read. So does mongoDB support splitting read and write, with primary on HDD, replica ...
2
votes
2answers
38 views

Database - Resource usage statistics

I would like to find (using SQL DMVs) whether a database is actually in use and if so then how much of that servers resources it is taking. I need some ideas on how we can properly collect usage ...
3
votes
2answers
331 views

Database Schema for Blank Database is large. 20MB

Is it normal for blank databases with just schema to be large? Or is there a way that I can reduce the size of the initial database?
0
votes
2answers
42 views

MySQL - replicate some tables between transaction and report database

I have two different database (on two different hosts). One database is transactional and another database is reporting. Let us say, it stores information about departments and their employees. ...
-1
votes
1answer
90 views

Advanced SQL Database Administration Training Class [closed]

Can someone please suggest a good in-class (4-5 days) advanced SQL database administration training class? For example, below is the link for beginner or intermediate SQL administration training. I ...
1
vote
1answer
199 views

Postgresql - Point in Time recovery using recovery.conf and trigger. How to minimize the time waiting for .history files

Following http://www.postgresql.org/docs/9.1/static/continuous-archiving.html, I copy the WAL archives to another machine and apply them regularly. Recently due to pg server crash at my main server I ...
0
votes
1answer
45 views

What is the advantage of pluggable database over normal databases?

Why creating pluggable database over normal database is good for system performance.
0
votes
0answers
48 views

.dmp file generating problem on oracle

I have a server windows2003 with oracle 10g and developer 6i. My experience is when I install developer 6i first and then install database 10g then .dmp file generate perfectly using imp or exp. but ...
0
votes
2answers
245 views

MongoDB document delete and fragmentation

I've a MongoDB collection that works like a queue: new documents are insert and old documents (after 60days) are removed. I can see a rapid grown of the datafile size, too rapid. I can be reasonable ...
0
votes
2answers
90 views

Dynamic Filters in SQL server [closed]

I have problems with my dinamic filter in 'sql server'. My problem is that the filters aren't working. When I try to execute the store procedure I just get all the data without filtering. I'm new ...
0
votes
0answers
43 views

Query Designer - Cannot connect to Server

I am following a tutorial to be able to use SQL Server Data Tools (SSDT) for reporting. However, I am having issues connecting to a particular database when I try to add a new DataSet and try to ...
0
votes
0answers
17 views

Migrating from SQL Server 2005 (Win 2003R2) to SQL Server 2008R2 (Win 2008R2) new Server [duplicate]

I am pretty new to the DBA field and i have been assigned to migrate all of my Production database from SQL server 2005( server A) to 2008R2 (Server B) and Decommission all of those database from 2005 ...
1
vote
1answer
57 views

Migrating all MySQL databases from from one server another. Getting error during import

I create a mysqldump on all the databases on the source server with this command: mysqldump -h mysql-01 -u root -p --all-databases > newdump.sql This takes about an hour, but runs fine. Now, ...
0
votes
1answer
44 views

what are the prerequisite for installing oracle 11gr2

I have windows 2008 R2 sever and I want install oracle 11gr2 on this server. So any one tell me what are the prerequisite tools for install oracle 11gr2 like as a jdk and ect...
1
vote
0answers
38 views

Design of user database and basic authentication process [closed]

I want to know if somebody can give me very briefly information describing the design of a user database and the basic authentication process please? Thank you
1
vote
1answer
1k views

Oracle - ORA-01654: unable to extend index in tablespace

I referred to the below related question, but it was not helpful in my case: ORA-01654: unable to extend index <name of the index> by 128 in tablespace <name of the Index tablespace> I ...