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Specification Documents Working with users to define business requirements for UIs, Data Warehouses & Reports, and creating Business Requirements, Functional Specification, & Test Plan documents. Documentation Creating Data Dictionaries, ERDs, Data & Process Flow Diagrams, and User Guide Documents for UIs. Data Mapping Mapping data between systems for Conversion & System Interface projects, and mapping existing UI & Report fields to their source database tables & fields. Data Validation Examining databases, identifying data issues, classifying those issues into issue types (referential integrity issues, violations of application-specific data rules, missing data, duplicate records, typos, etc.), and identifying causes & solutions. Lines of Business Support Contracts, Customer Service Call Center, Financial Reporting, Marketing, Medical Insurance, Pension System, Pharmacy Drug Dispensing, Software Sales, Hardware Sales, Truck Repairs. Databases SQL Server, Greenplum, Redshift, Teradata, Oracle