Financial Information Management FIM: Databases Stefano Grazioli

Debriefing  Still doing well  Lab  Easy meter

Financial Information Management DB and BI Tools Essentials

Why do we need Databases?  Indispensable in commerce  Program (e.g., VBA) data is volatile

DB and DBMS  A database (DB) is an organized collection of data  A database Management System (DBMS) is a software that provides data-related functionality User or program Access, Oracle, IBM DB2, SQL Server, MySQL... Is Excel a DB or a DBMS?

Data Base Management Systems DBMS is software that includes  Data Definition Language  Data Manipulation Language  Data Dictionary AccountingAccounting ProductionProduction MarketingMarketing InventoryInventory CustomersCustomers InvoicesInvoices OrdersOrders PurchasingPurchasing SchedulingScheduling BillingBilling PricingPricing PurchasesPurchases DBMSDBMS

Financial Information Management SmallBank DB Example

Data Definition Language CREATE TABLE Loan ( l_id integer primary key, principal money, rate decimal(8,5) DEFAULT 0.015, date_due datetime, lo_id integer); LOAN

Data Manipulation Language  Record visualization (selection)  Record insertion  INSERT INTO LOAN (l_id, principal, rate, date_due) values (7233, , 2/2/2020);  Record update  Record deletion LOAN

DBMS - Data Dictionary Name: Principal Web Name: LoanAmount PC name: PrincipalDue Description: Loan amount granted to a customer Size: 20 bytes Type: numeric Date changed: 01/02/10 Ownership:LENDING Access security: MANAGER, LENDING; MANAGER, RISK MANAGER, SALES…. Used by: LENDING, RISK, MARKETING… Program using: P00023, P00034, P00121, … Reports using: R124 (daily report); R323 (lending summaries);... Name: Principal Web Name: LoanAmount PC name: PrincipalDue Description: Loan amount granted to a customer Size: 20 bytes Type: numeric Date changed: 01/02/10 Ownership:LENDING Access security: MANAGER, LENDING; MANAGER, RISK MANAGER, SALES…. Used by: LENDING, RISK, MARKETING… Program using: P00023, P00034, P00121, … Reports using: R124 (daily report); R323 (lending summaries);... Metadata

RDBMS When a DBMS organizes your data so that they appear to the users as TABLES, that DBMS is a Relational DBMS, or RDBMS.

Relational Tables TRADE_NOSEC_IDTICKERUNIT_PRICEQUANTITYFEE_% ACME MSFT ACME ORCL MSFT GE MSFT MSFT GE

Relational Tables TRADE_NOSEC_IDTICKERUNIT_PRICEQUANTITYFEE_% ACME MSFT ACME ORCL MSFT GE MSFT MSFT GE Table (or relation) Table (or relation) Row (or Record) Row (or Record) Column (or Field) Column (or Field)

Primary Key TRADE_NOSEC_IDTICKERUNIT_PRICEQUANTITYFEE_% ACME MSFT ACME ORCL MSFT GE MSFT MSFT GE Primary key is a field that contains unique (non duplicated) information & is used to identify a record

Financial Information Management WINIT What Is New In Technology?

Financial Information Management DB Trends Evolution of DB architectures

ResearchResearch Technology In Place… Problem NOT Solved! AccountingAccounting FinanceFinance ProductionProduction MarketingMarketing SalesSales CostsCosts ForecastsForecasts CostsCosts InventoryInventory Application #1 Application #3 Application #2 Application #4 Application #5 DBMSDBMS DBMSDBMS DBMSDBMS DBMSDBMS

A Solution: Integration Out Of The Box AccountingAccounting Production Unit #01 Production Production Plant #02 MarketingMarketing App. #1 App. #3 App. #2 App. #4 Integrated Enterprise Data Portal / Dashboard Dashboard Centralized DBMS SAP, Oracle, Mycrosft Dynamics GP….

A Popular Fix: Data Warehousing Integrated Enterprise Data This is hard to do! (ETL engines) CustomersCustomers CostsCosts SalesSales AccountingAccounting Production Plant #01 Production Plant #02 App #1 App #3 App #2 App #4 DBMSDBMS MarketingMarketing App #5 App #6 DBMSDBMS DBMSDBMS DBMSDBMS CustomersCustomers CostsCosts SalesSales CostsCosts SalesSales Sales & Research DBMS Data Warehouse DBMS Portal / Dashboard Dashboard DSS (BI)

Business Intelligence Source: B. Wixom

You do the talking  Name, major  Learning objectives  Things you like about the class  Things that can be improved  Strengths / Attitude towards the Tournament

Financial Information Management Homework Google’s Daily Cagr

The user press the Compute Cagr button UML Activity Diagram - Daily Compound Average Growth of a Security (part II) Compute the Cagr for the next customer Print the result for that customer [No More Customers] Print the Average of all Cagrs at the bottom of the Cagr column, with a descriptive label.