0
votes
2answers
35 views

MySQL: How to fetch nth level child menus of a parent menu

I have a menu which is parent of multiple menu items and each child menu has their own child menus. This pattern is continued till 5-6 vertical hierarchy level. I don't want to write a query which ...
0
votes
1answer
66 views

Is normalization advisable on transactional data?

I have read a lot of articles about normalized vs denormalized schemas, but I find very little mention of the cost of row insertion. I am considering the impact of converting a 100% denormalized ...
0
votes
0answers
38 views

Cohort analisis for gamers activity

I want to do some cohort analysis of gamer activity in my games. By cohort I mean some set of users who registered (or had first activity) on some particular date. For example: users registered on 16 ...
1
vote
0answers
44 views

Find repeating tickets with more than one criteria

Lets say I have 2 tables: atms & tickets each atm has many tickets. ATM table: ID | NAME ------------------------- A0109 | ATM 1 A0227 | ATM 2 etc. | etc. Ticket table: ID | ATM | ...
1
vote
1answer
413 views

How do I get Pentaho Reporting/Kettle to produce PDF reports by business entity?

We use Kettle/PDI to handle usage records from legacy systems and feed them to an analysis database/DWH and also we report to our customers their activity and a backend commission report on a monthly ...
1
vote
1answer
317 views

creating a report on the mysql jasperReport server

I have mysql local database, in it I have sample data mart. I have installed jasperReport server to my computer. Just using this tool, I want connect to the local mysql database and just create a pdf ...
0
votes
1answer
197 views

Reporting tools for MySQL Enterprise Audit Log

Oracle recently came out with the MySQL Enterprise Audit plugin. However, currently there is no integration with their Audit Vault or DB Firewall products for robust filtering, reporting, etc. But ...
1
vote
1answer
240 views

MySQL replication risks for the master

I have a production MySQL server, fairly heavily loaded with an INSERT-only load on one of its databases. I'd like to attach a non-production (sitting on my desk, more or less) replication slave to ...