The discipline of Operational and Architectural Management of Database Systems.

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14 views

Fill Factor - Displaying Old values

I updated my fill factor value from 0 to 75 and I rebuild all the indexes on the database When I ran select * from sys.indexes some indexes are 0 and some are 75 The Indexes that are 0 (I am not ...
0
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1answer
29 views

Any tips to watch out for when setting one of my databases to Read Only?

Our front end application uses\ pointed to a different database now in SQL Server 2008R2 in the same instance, so to prevent users from accidentally updating data in the old production database, is it ...
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0answers
11 views

bi-temporal retroactive or proactive update

Show how the following updates, if applied in sequence, would change the contents of the bi- temporal EMP_BT relation in figure below. Also, for each update, state whether it is a retroactive or ...
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2answers
40 views

Sql Server Fill Factor - Restart sql server services

I changed the Fill Factor option from 1 to 75. When I run a query that displays the fill Factor I am seeing 75 But I read online that I have to stop and start the sql Server services inorder for ...
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19 views

Need a table schema for general store app [on hold]

I am Developing one application for online general store and stuck some where near making a schema for the products. Here, Every Product has brands and Product can come in multiple varieties like for ...
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0answers
18 views

SQL Server to Oracle migration

Converted model resulted into incomplete script generation as all stored procedures, triggers and views were missing, only table structures were generated and i did not get any error messages for it. ...
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0answers
11 views

What are Client Access Profiles and what are they used for?

Can someone please explain to me what Client Access Profiles are, and what they are used for? I have not able to find 1 single thing about them online in the past week.
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0answers
17 views

Load data into central database

We have 150 databases at different locations. These databases need to be move into central database. currently, i am using transactional replication, but facing lot of issues. are there any other ...
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1answer
45 views

MS SQL Server 2012 enlarge database space

I tried to enlarge a database size of database instance on my MSSQL server 2012 . I manually added a new MDF file under database instance After restart on shrink database dialog I can see ...
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1answer
19 views

Sql Server audit could not write to the security log

I am following the training kit for 70-462(Administering Microsoft SQL Server 2012 Databases), and stuck on Auditing SQL Server instances lesson. I have created new user in domain controller, assign ...
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0answers
19 views

Why isn't user being shown in DBA_USERS?

I have created a user and I wanted to know it's default_tablespace but whenever I run SELECT query for showing default_tablespace or anything it says no rows selected.How can I resolve this issue? ...
1
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1answer
24 views

Should my application utilize database credentials for user login?

I'm working on an application that has an ASP front end and a SQL Server database. The way credential management is currently performed is there is a custom built User Table in the database that ...
0
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1answer
25 views

MySQL partitioning table by date and hour

I have a table with a timestamp field. This table will have millions of rows every day so the idea is to create partitions by date and hour. Every day I will delete partitions older than 10 days and ...
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1answer
26 views

Server has antivirus. Do I need to enable external locking on MySQL?

From MySQL docs: If you only read tables with other programs, external locking is not required Assuming the bytes of MySQL files does not match viruses, the antivirus will not change the ...
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0answers
45 views

upgrading posgresql 9.0 to 9.4 with pg_upgrade on CentOS 6.6

I'm trying to upgrade a postgres v9.0 database to v9.4 with pg_upgrade on CentOS 6.6, but I keep hitting a wall. I am calling pg_upgrade thru a shell script as postgres, first exporting the needed ...
1
vote
1answer
38 views

Best away to keep monthly records of loans

I'm trying to make a database to keep records of the amounts payed on a loan on a monthly basis. I already have tables for the clients, accounts, products and loans: create table product( id ...
1
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1answer
24 views

“Unknown table engine 'innodb'” error after changing my.cnf

I am getting "Unknown table engine 'innodb'" for some query after changing my my.cnf. I have reverted the old my.cnf and restarted mysql and now I can see innodb. Could you please help me figure out ...
3
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0answers
44 views

Postgres pg_basebackup reports directory exists but is not empty

I have postgreSQL 9.4.1 installed on a Win 2012 Server. I am looking to setup replication between this and another server of the same spec. So I am following guidance on preparing the master ...
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0answers
23 views

CPU utilization for a particular query in Postgres [duplicate]

Is there any way to know how much CPU particular query is utilizing in PostgreSQL?
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0answers
6 views

how to connect database with my web hosting using dreamweaver? [migrated]

How to connect database with my web hosting using dreamweaver? I've tried to make connection using PHP, and it didn't work. it said Dreamweaver detect internal error and I can not connect with ...
0
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1answer
47 views

Searching between dates on a CHAR type field

I have a table that has a field in which dates are stored, the problem is that the field type is CHAR(10) and I'm being asked to query for data between certain dates. I don't want to change the field ...
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2answers
51 views

Database logs growing during maintenance plan

I have read several threads and sites about SQL logs but I don't feel I have found the answer. Or if I did I did not understand it enough to address my issues. My issue: When I run my SQL maintenance ...
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0answers
19 views

Procedure Security Layer

I want discuss an idea with you and get your opinions what you think about it. From database (SQL Server 2008 R2) administration view and general security, its good practice to create DB roles and set ...
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0answers
26 views

Integrating Postgres/GIS data in a SQL Server environment without generating 'data islands'

Currently I'm facing a scenario in which a GIS expert is planning on starting to integrate mapping services for several departments within the organization I work for. I handle around 40 mid-sized ...
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0answers
32 views

Export entire Oracle schema to ASCII and import into DB2

I'm looking for a solution to export a number of schemas from Oracle to ASCII or other flat file format. The data then has to be read by DB2 import. Does anyone know the what oracle export commands ...
1
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1answer
59 views

Database backup issue in SQL Server

For security reason I always took back up of my database. I took full backup in each month. And differential in each week. I used to save each back up file in different name. I lost my latest full ...
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0answers
32 views

SQL Server Job Database name

First time post, long time lurker. I am trying to find and write a query for what database is affected by a SQL Server job. I have checked the following: Get a list of SQL Server Agent Jobs and ...
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1answer
22 views

Trigger to apply user mapping to logins on database creation [closed]

Does anyone have any example triggers that apply user mapping on database creation?
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2answers
130 views

Incremental backup in SQL Server [closed]

I got a task for backing up my clients data through internet. Client has about 50 GB of data there. So I need to back up the data and pass through internet, but it takes about 8 to 9 hours for this ...
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0answers
99 views

Why am I able to query a remote database without a dblink?

While researching a security concern, I discovered that users are able to query a remote database without the need of a dblink. However, this was only true for databases that had no value for ...
0
votes
3answers
41 views

Prepopulate database with empty / null values [mysql]

What would be the best way to pre-populate a database with 100 empty fields and then begin the Auto_Increment? What I mean to say, I want to reserve the first 100 userfields (ie UIDs which are ...
2
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2answers
38 views

query to find all dblink()

Besides manually searching for all the dblink() used in triggers/functions/stored procedures is there a way to query for this information? Example: There is a dblink inside of a trigger, can I select ...
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votes
1answer
20 views

ExecuteNonQuery () not fungsional and database failed [closed]

Public Class Form1 Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load Dim SumberDb As String = "Data Source=c:\users\ogieuntung\documents\visual studio ...
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0answers
56 views

How does SQL Server know it was abnormally shutdown last time [closed]

I am doing background reading on this. Would like to know how does SQL Server know it was abnormally shutdown last time?
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22 views

Import non-partitioned table into an existing range partitioned table - ORACLE

I have export non-partitioned table1 on disk with some records, then I create same new table2 in my schema (different name) but with range partitioning, I'm talking about Oracle database. So my ...
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1answer
43 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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0answers
7 views

DB2 Change Journal Receiver Size

We are running DB2 on our iSeries, and there is a journal + journal receiver created. The current size of the journal receiver is 200MB (found using the DSPJRNRCVA command). Is there a way to change ...
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0answers
33 views

Reducing the size of a PostgreSQL Database, utilizing a process other than full VACUUM

We have a Postgres 8.4 installation which hosts both our Defect tracking and Code management (Surround) systems. We are looking at converting and migrating Surround to MSSQL on another server. Our ...
1
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2answers
45 views

How to Permanently solve MySQL error 2002 (HY000)

I have a problem on my cloud server with 2GB of RAM and 40GB Hard Disk that's hosting a Wordpress website that receives around 1000-2000 hits a day. My problem is that MySQL is always crashing and my ...
0
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1answer
27 views

What is different between fixed-size disk pages and disk-based?

As per my knowledge, i understand fixed page size as size of page which used for read and write data but i am not able to understand what does mean of disk based ? I read these words from this paper ...
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votes
3answers
185 views

Should login id and password be stored in separate table

I am working on my academic project. I have a table for employee records which have employee id, joining date, designation and other fields. I am trying to implement a scheme in which when record of ...
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2answers
112 views

Why is Postgres on RDS maxing out on CPU every few hours?

Using Amazon RDS, we are running ETL scripts to migrate our data. However, every few hours there is a huge CPU spike. Here are the ETL specs (per ETL): 50 records inserted / second pool of 1000 ...
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1answer
121 views

Optimizing Amazon RDS - MySQLTuner Recommendations / Feedback & Suggestions

I'm currently trying to optimize a database I've inherited for speed. The server is an Amazon RDS db.m3.large instance: 2 VCPUs 7.5 GB Memory 500 GB HDD My current strategy is to do the ...
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2answers
36 views

MySQL Image Queries

I have table employees in MySql database with Id, Name, Gender, HireDate, Photo. Photo field is blob. Now when I run this query: SELECT id FROM employees WHERE Photo IS NULL ; it takes forever to ...
1
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2answers
50 views

Is there an easy way to update connection strings to a database moved to a different instance

I have created a new instance of SQL Server 2008 r2 and exported my database to the new instance. Then I realized that the connection string for all of my datasets still point to the original ...
4
votes
1answer
153 views

Sql Server - Running a Job on Multiple servers

I am using SqlServer 2008. I have a Sql Server Job that checks Disk Space and emails admins if the space is less than 15% Instead of adding that Job to all servers is it Possible to run the Job on ...
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2answers
62 views

Quickly clone a database in SQL Server Management Studio

For testing purposes, I often have to clone databases (onto the same server). Currently I do this by creating a backup and restoring it as a new database. I would love to have such a functionality ...
1
vote
1answer
50 views

Incorrect unit allocation size. error comes when Tuning the Database

Here I am Using the SQL IDERA tool for checking the Index and performance of the Database, then i found below error, can any one tell what is it talking about. Incorrect unit allocation size. ...
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0answers
36 views

Severity 20 Error upon disconnecting Dedicated Administrator Connection

Starting working with Dedicated Administrator Connections on SQL Server 2008 R2 servers. All is working fine (once port 1434 was opened), but am getting severity 20 errors when I disconnect the admin ...
4
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2answers
116 views

How to change default database to all logins?

I'm bit new to SQL Server and I'm trying to script out Microsoft SQL Server (2005-2014) post installation activities and I got bit stuck on altering logins. Corporate policy states that none login ...