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Query Reporting: BO, Microstrategy, Cognos, ETL DataTime

query reporting tools allow employees to take possession of undertaking, in a safe manner, the information needed to make decisions or do analysis.
analyze the main

Business Object, which allows application in a simple way to access the data using both the corporate network or extranet. The information is extracted from various source systems (DataWarehouse, DataMart ...) and are displayed on special interfaces. Users have the opportunity to existing reports, modify them or create new ones according to their needs. The integration between Business Intelligence and the Internet also improves communication with customers. Specifically:

BusinessObjects Desktop Intelligence is particularly useful to those who need to have not only information but also analyze it and run specific query to create custom reports;

BusinessObjects Web Intelligence, you can use, easily stored data to do studies and make more informed decisions or to create new queries.

Microstrategy : also to support decision making, facilitates the transformation of data into information and makes it possible to share via the Internet. The platform of this software has a simple interface, integrates with the different styles of BI and makes it easier to query and reporting.

Cognos : Software that combines several capabilities into a single solution, Business Intelligence, which reporting, data analysis, event management scorecarding, dashboardind. Based on service-oriented architecture Web is:
- full allows the creation of reporting, in-depth comparative analysis, scorecards, interactive, strategic management of events, dynamic dashboards;
- easy to use;
- a reference point, as part of reporting for many companies.
Its strength lies in being able to meet the different needs of users, managing to give them a uniform, centralized source of information.

Date Time: it is a very effective reporting tool. With it you can create all kinds of layouts (vertical, horizontal, cross) and to perform the operations of slice and dice with many variations: Define vertical and horizontal sections and breaks, drill down and roll up on different levels ...
appearance graphic style of the report is of high quality and can be managed entirely by the users.

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and main software tools

The ETL ( Extract, Transform, Load ) are how to extract-transformation-loading data from transactional or other system (CRM, ERP ...) in different structures or DataWarehouse Business Intelligence (DataMart, OLAP ... .)
The acronym it contains the key concepts: • Extraction
data from all operating systems;
• Transformation of these, thanks to cleaning processes (selection of data), integration (operations such as normalization), aggregation, calculation, execution of joins in homogeneous information, useful to the objective analysis that is taking place, production reporting that supports business decisions or to provide information (eg public enterprises)
• Loading and storing data on the various BI applications.
ETL processes are programmed within the DBMS, recorded and released at specific times through appropriate schedulers.
are important for a company as they give managers the opportunity to work and to communicate information which, despite coming from different sources are aligned. It, thus avoiding the risk that comes from the same data to different results: Suppose that the Rector of un'Ateneo wants to know the number of deserving students enrolled, it could happen that the meaning of "student praiseworthy among the various faculty. It 'important that there is a specific system that integrates the various departments of the university and guarantee the uniqueness of the information.
Usually ETL allows you to graphically display data transformations, including options that allow you to comment on their manipulation, contain a battery of transformations to perform the most common and simple calculations and a debugging environment where you can test the operations.
The continuous increase of data that a company handles causes the ETL processes are found to be working with information from source systems and to play more and more complex transformations.

Among the most common ETL software: • Data Studio
;
• Informatica PowerCenter, IBM DataStage •
;
• Microsoft SSIS;
• Benetl;
• Oracle Data Integration Suite.

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What are they and how to write select?

A database may contain a large amount of information, research and display of the most useful to the analysis of each, is made possible by some instructions, the SELECT statement.
We have already said what their basic syntax, Let's see more in particular:

SELECT * FROM table_name WHERE condition

• With the '* is required to extract all the fields. To get only those that most interest us enough to specify, in its place, the name of the fields. •
FROM gives the possibility to indicate the names of the tables from which to extrapolate the information. • WHERE
is a conditional expression, meaning that identify which records in the table must be searched.

Here's an example of SELECT:
A bank has at its disposal the chart of accounts of its customers, which account number, balance and the code has been assigned to each customer.



Suppose we want to have the list of customers that have a balance less than 0. Then ask: SELECT * FROM account WHERE balance < 0.
The result is:



The bank has also provided the CUSTOMER table, where there are data (name, ... tax code) to each customer, in this case, identified by a code.




If you want to have your account information is that the data of clients who have accounts in red, the DB may request them using the Join operator. This allows you to create relationships between two or more tables to extract data simultaneously present in them and link them with the key identifier in our case the codes of the customers. So we write the statement: SELECT * FROM account

INNER JOIN customer ON behalf. customer = customer code. WHERE customer number conto.saldo < 0.

The result is:



Without the WHERE clause, the table contains the personal information of all customers and their account information. Referring to tables

ACCOUNT CUSTOMERS, do the examples using the commands INSERT, UPDATE, DELETE.


INSERT The INSERT command is used to enter new values. Assuming that the bank wants to enter new data in the table ACCOUNTS in the "account number" and "balance", write: INSERT INTO

account (numero_conto, balance) VALUES (35.1200)


UPDATE: If a
customer has made a deposit will need to update your balance:

UPDATE account set balance = balance +200 WHERE numero_conto

= 35 With this statement we said to the database to increase the balance of 200 only to the account with account number 35.

DELETE :
If the bank wishes to cancel a customer from its database (for example, entered incorrectly) simply run: DELETE FROM customer WHERE
codice_cliente = 10