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117 lines
3.5 KiB
Markdown
117 lines
3.5 KiB
Markdown
---
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title: "review-i201"
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aliases:
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tags:
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---
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# soft. dev. methods
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- [SDLC](notes/systems-development-life-cycle.md)
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- [1 traditional](notes/approaches-to-systems-development.md#1%20traditional) (predictive) vs [1 object oriented](notes/approaches-to-systems-development.md#1%20object%20oriented) (flexible)
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- [3 Unified Processes notes unified-processes md UP](notes/03-agile-methodologies.md#3%20Unified%20Processes%20notes%20unified-processes%20md%20UP) (OO)
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- [1 scrum notes scrum md](notes/03-agile-methodologies.md#1%20scrum%20notes%20scrum%20md)
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- [2 Extreme Programming notes extreme-programming md XP](notes/03-agile-methodologies.md#2%20Extreme%20Programming%20notes%20extreme-programming%20md%20XP)
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# requirements engineering
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- [business-process](notes/business-process.md) re engineering
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- [requirements](notes/requirements.md)
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- properties of good ones [requirements-guidelines](notes/requirements-guidelines.md)
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- functional vs not [furps](notes/furps.md)
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- importance (moscow)
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- elicitation
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- stakeholders techniques
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- outcome validation
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# business functions and use cases
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- business functions - how to identify
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- use cases - how to model
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- uml use case diagrams
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- actors usecases
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- associations, dependencies
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# BPM
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- business processes and how the are modelled
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- BPMN vs (high level) UML activity
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# Data modelling
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- erd concepts
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- subtypes
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- parrallel and reursive relationships
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- historical data
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- normalisation
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- redundancy and anomalies
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- function and multivaly dependencies
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- normal forms
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# Modelling object structure
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- oop concepts
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- state behaviiour encapsilation
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- class vs instance, object reference
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- uml diagrams
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- steriotypes, visibility, multiplicity
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- specialsation/generalisation, navigability
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- erd vs class diagram
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# object behaviour
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- inheritance
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- specialisation vs implementing an interface
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- separation of public private API (programming to interface)
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- rich vs anaemic domaini models "processor objects"
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- modelling behaviour with uml
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- sequnce diagrams
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- low level activity and state diagrams
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# round trip engineering
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- foward engineering
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- erd -> SQL
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- uml class diagram -> e.g., java
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- correspondenc with use cases
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- reverse engineering (code <- diagrams)
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# Data access
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- data persistence file vs database
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- database APIs (JDBC etc)
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- DAOs
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- oner per use case (not just per domain class)
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- often programming via DAO interface
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# Database transactions
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- ACID
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- what and why
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- commit vs rollback
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# SQL select
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- select from where
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- sorting grouping aggregation
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- view, inner and outer joins, subqueries
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# data integrity
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- nulls and their issues
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- business rules, databas contrainsts, veification, validation
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- in-database vs outside database
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- in data base automation: sequence, triggers, stored procedures
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# softare architectures, patterns, and templates
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- monolithic vs client/server vs distributed (services)
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- separation of reponsilbilities
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- "standard patters" of design (recognise)
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- sysstem templates
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# performance and security
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- performance requirements
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- how to quantify and measure
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- response time, workload, scalability
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- caching pooling
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- system reliability
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- security and integrity requirements
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- consider throughout development
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- authentication and authorisation
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- principle of least privilege
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# cost benefit analysis
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- project feasbility
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- need, funding, strong will
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- duration, priority, rick, uncertainty
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- should we, can we, is it worth it?
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- economic feasibility:
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- costs vs benefits (tangigble/intangible)
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- payback time (break even), NPV, ROI |