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1. Cover letter example for Basic Database Setup

IT & Networking • Database Administration
Hello sir

I read your requirements; unfortunately, there is no yet fully functional/free and easy online DB.

I  can suggest the following options:
1) use MS Access as DB and create simple forms which allow you add/modify and filter data without knowing SQL queries

2) use MS Excel as DB and create simple forms which allow you add/modify and filter data without/with direct modifying excel sheets. These excel files can be automatically synchronized with GoogleDrive and you can access your data via the Internet - but you cannot do the back synchronization if data is modified via GoogleDrive

3) use Google Excel - this is just excel sheet in the Internet, it is useful if you phone DB is small

4) find any simple and free desktop app to manage your contacts and calls. There are tons of such app

5) search something similar for mobile devices - hope they are, but need to investigate.

Of course, I can work with TeamViewer, RemoteAdmin, RemoteDesktop and other solution to access remote PCs.

My rate is $12/hr. I think such work may take from 2h till 16h (if need to develop forms in MS Access/Excel). 

I am very polite, always answer the questions and can work in your timezone if we need do discuss the tasks.

I would glad if I can help you.

Regards, Maiden

2. Cover letter example for MySQL Database Optimization Needed

IT & Networking • Database Administration
Hello

Let me help you with this task. I designed, optimized and support databases for such projects like: mailcast system - more than 10mln recipients/100mln sent emails, custom developed stats for more than 500 projects - processes 100000 pages every day.

I know much about optimization. Before doing any optimization need to decide, where is a problem. Performance issues can be:
  - on database side, on database + server/client side (so I can help here);
  - on server, client and network side (I cannot help here) 

If problem related to database then my steps are:
- gather stats when site operates in regular mode. It means that users open the same pages as they usually do. Maybe make sense to write some automated scripts (by JMeter, for example) to emulate user behavior;
- analyze queries;
- possible solutions: 
1) simple one - create missing indexes; 
2) rewrite queries; 
3) move logic into stored procedures; 
4) create indexed views; 
5) work together with a development team if the issue is partially related to the server side - for example, developer runs one query many times; 
6) separate table on static and dynamic data -  static/history data can be processed automatically by schedule; 
7) use shards - complicated part, but also possible.
8) other - can be provide after detailed analyses

My name is Isabel.

I did jobs where other specialist gave up. 

My rate is $25/hr and I can spent 10h/week. 

I need more details about your site to estimate approximate timelines/time. The details I need: programming language, DB version, hosting and the problem description.

Looking forward to hearing from you.

Best wishes, Isabel 

3. Cover letter example for Sports Betting Database

IT & Networking • Database Administration
Dear, sir

As I understood the job includes:
- get data from a web site/pages. Can you please give me URL of this site/page? Does this page/site require authorization? 
- run this script periodically to get updated data every N minutes. It can be run from local PC using Windows scheduler or from remote server by cron, for example;
- parse these pages and save results into local DB. Do you have any preferences about DB: MySql, Access, MS SQL, other?
- write queries/reports to display some consolidated stats/results. Do you have preferences: just a list of results or report, which will be nice printed?

The solution depends on your answers, but anyway, whatever you choose I can do it.  

I have great experience to parse, analyze, save, process and report data using PHP, C# + any DB.

My rate is $20/hr and I can start this job immediately as you hire me.

If you need more details or just a consultation - please feel free to contact me. Also I can estimate this job by fixed cost, but I need more details from you.

Sincere, Mihail from Poland