e-quals Unit Syllabus Level 3 Designing and creating relational databases March 2007 Version 1.

Transcription

1 e-quls Unit Syllus Level 3 Designing n reting reltionl tses Mrh 2007 Version 1.0

2 Aout City & Guils City & Guils is the UK s leing provier of votionl qulifitions, offering over 500 wrs ross wie rnge of inustries, n progressing from entry level to the highest levels of professionl hievement. With over 8500 entres in 100 ountries, City & Guils is reognise y employers worlwie for proviing qulifitions tht offer proof of the skills they nee to get the jo one. City & Guils Group The City & Guils Group inlues City & Guils, ILM (the Institute of Leership & Mngement) whih provies mngement qulifitions, lerning mterils n memership servies, NPTC whih offers ln-se qulifitions n memership servies, n HAB (the Hospitlity Awring Boy). City & Guils lso mnges the Engineering Counil Exmintions on ehlf of the Engineering Counil. Equl opportunities City & Guils fully supports the priniple of equl opportunities n we re ommitte to stisfying this priniple in ll our tivities n pulishe mteril. A opy of our equl opportunities poliy sttement Aess to ssessment n qulifitions is ville on the City & Guils wesite. Copyright The ontent of this oument is, unless otherwise inite, The City n Guils of Lonon Institute 2007 n my not e opie, reproue or istriute without prior written onsent. However, pprove City & Guils entres n lerners stuying for City & Guils qulifitions my photoopy this oument free of hrge n/or inlue loke PDF version of it on entre intrnets on the following onitions: entre stff my opy the mteril only for the purpose of tehing lerners working towrs City & Guils qulifition, or for internl ministrtion purposes lerners my opy the mteril only for their own use when working towrs City & Guils qulifition the Stnr Copying Conitions on the City & Guils wesite. Plese note: Ntionl Ouptionl Stnrs re not The City n Guils of Lonon Institute. Plese hek the onitions upon whih they my e opie with the relevnt Setor Skills Counil. Pulitions City & Guils pulitions re ville on the City & Guils wesite or from our Pulitions Sles eprtment t the ress elow or y telephoning +44 (0) or fxing +44 (0) Every effort hs een me to ensure tht the informtion ontine in this pulition is true n orret t the time of going to press. However, City & Guils prouts n servies re sujet to ontinuous evelopment n improvement n the right is reserve to hnge prouts n servies from time to time. City & Guils nnot ept liility for loss or mge rising from the use of informtion in this pulition. City & Guils 1 Giltspur Street Lonon EC1A 9DD T +44 (0) F +44 (0) enquiry@itynguils.om

3 Contents Unit 047 Designing n reting reltionl tses Outome 1 Ientify lient requirements for tse 3 Outome 2 Unertke nlysis n esign 4 Outome 3 Implement the tse esign to rete tles n forms for t entry 6 Outome 4 Unertke informtion retrievl 7 Outome 5 Develop reports for output 8 Outome 6 Unertke testing n proue oumenttion 9 Notes for guine 10 e-quls Unit Syllus Level 3 Designing n reting reltionl tses

4 Unit 047 Designing n reting reltionl tses Syllus overview Rtionle The im of this unit is to provie nites with n vne level of skills n knowlege to ompetently prepre for, perform or supervise the performne of others in vriety of tse tsks using Informtion n Communition Tehnologies (ICT). Cnites will evelop more in epth unerstning of tses n tse pplitions n the operting system in everyy usge n the ility to work in supervisory role performing vne tsks with high egree of ompetene, using prolem solving skills n giving iretion to others. Lerning outomes There re six outomes to this unit. Ientify lient requirements for tse Unertke nlysis n esign Implement the tse esign to rete tles n forms for t entry Unertke informtion retrievl Develop reports for output Unertke testing n proue oumenttion Guie lerning hours It is reommene tht 90 hours shoul e llote for this unit. This my e on full time or prt time sis. Connetions with other qulifitions This unit ontriutes towrs the knowlege n unerstning require for the following qulifitions: N/SVQ in Customer Servie, units o 201, 202, 203, 204 ICS Customer Servie Tehnil Certifite, units o 1.1, 1.2, 1.3, 1.4, 1.5, 1.6 o 2.1, 2.4, 2.5, 2.7 o 3.3, 3.4, 3.5 Assessment n gring This unit will e ssesse y n ssignment overing prtil skills n unerpinning knowlege. 2 e-quls Unit Syllus Level 3 Designing n reting reltionl tses

5 Unit 047 Outome 1 Designing n reting reltionl tses Ientify lient requirements for tse Prtil skills 1 use suitle methos to ientify lient requirements 2 rete rief n simple esription of the purpose of given t proessing system 3 proue rief esription (plns shoul e inlue) of n existing t proessing tivity whih is eing onsiere for omputeristion 4 proue n outline esription of propose tse to meet lient requirements 5 list the vntges n limittions for the existing n propose t proessing systems. Unerpinning knowlege 1 esrie wht is ment y the term Reltionl Dtse System 2 Explin the ifferenes etween the following types of tse: flt file Reltionl 3 explin the potentil nee for restriting ess to tse or informtion system, inluing the implementtion of hierrhil system of psswors 4 esrie the vntges n limittions of omputer se tse ompre to pper se system. e-quls Unit Syllus Level 3 Designing n reting reltionl tses

6 Unit 047 Outome 2 Designing n reting reltionl tses Unertke nlysis n esign Prtil skills 1 ompile list to ientify input t output t internlly generte t import t 2 use meningful nmes for onsisteny in esign 3 ientify entities in tse or informtion n use test t systems eg primry keys 4 ientify the ttriutes of n entity inluing vlition 5 ientify esign reltionships 6 refine the t moel using normlistion proeures 7 esign n pln user interfe sreens 8 esign n pln sreen/form lyouts 9 esign n pln report lyouts ientifying query riteri 10 esign n pln n Entity-reltionship (E-R) moel 11 esign n pln t itionry 12 use filenmes - using version ontrol methos. Unerpinning knowlege 1 explin methos of ientifying t items (t elements), in given t proessing system (e.g. oument nlysis, opertor interviews, trnstion efinitions, internlly generte t) 2 explin the purpose of fiels for time, te n lultions 3 efine the terms: entity ttriute 4 esrie the purpose of n ifferenes etween primry, foreign n lternte keys 5 efine the term reltionship n give exmples of 1:1, 1:M, M:1, n M:M reltionships 6 ientify n explin normlistion form (NF) in the proess of normlistion: 1NF no repeting sets 2NF ttriutes epen on the whole primry key 3NF no sets of mutully epennt non-key ttriutes 4 e-quls Unit Syllus Level 3 Designing n reting reltionl tses

7 Unerpinning knowlege ontinue 7 explin tht user interfe sreen shoul hve lerly lelle user options, supporte y utomte sequenes whih give esy ess to speifie funtions, reports n forms 8 efine the term vlition giving exmples of how this my e pplie in tse or informtion system 9 explin tht t itionry efines for eh tle e f g h i tle nme key (primry, foreign, lternte) inex(es) fiel nmes t types (numeri, hrter, te, logil) formt (urreny, y/month/yer) esription of the fiel fiel length vlition of fiel(s). e-quls Unit Syllus Level 3 Designing n reting reltionl tses

8 Unit 047 Outome 3 Designing n reting reltionl tses Implement the tse esign to rete tles n forms for t entry Prtil skills 1 use the t itionry to rete the tle struture(s) 2 use the E-R moel to rete the reltionship(s) 3 rete ny inexes 4 rete forms n suforms for input using sreen lyout/form(s) 5 generte useful esriptive error messges to support entry vlition 6 provie ontrols to link input forms. Unerpinning knowlege 1 explin the following terms when they re pplie to tse or informtion system: t integrity t onsisteny t reunny referentil integrity. 6 e-quls Unit Syllus Level 3 Designing n reting reltionl tses

9 Unit 047 Outome 4 Designing n reting reltionl tses Unertke informtion retrievl Prtil skills 1 rete queries from esign riteri 2 selet reors from: single tle two or more tles. Unerpinning knowlege 1 explin tht queries n e use to: e f ppen t to n existing tse tle whilst mintining the integrity of ll relte tles ppen t to new tse tle either within the urrent tse or to tle within n lterntive tse whilst mintining the integrity of ll relte tles upte either single reor or multiple reors in tse utomtilly selet reors for isply purposes from one or more tles upte existing reors generte forms n reports 2 esrie the options ville to speify serh riteri when implementing/esigning queries logil opertors e.g. AND, OR, NOT reltionl opertors e.g. =, >, <, >=, <= use of wilrs query y exmple (QBE) 3 explin the use of sort riteri (i.e. sening, esening) 4 explin the use of SQL Selet sttements (e.g. group y, orer y, where). e-quls Unit Syllus Level 3 Designing n reting reltionl tses

10 Unit 047 Outome 5 Designing n reting reltionl tses Develop reports for output Prtil skills 1 evelop reports using e f g Heings Suheings Clultions Footers Pgintion t grouping miling lels 2 iret report output to: the sreen the printer 3 provie ontrols to enle utomti output. 8 e-quls Unit Syllus Level 3 Designing n reting reltionl tses

11 Unit 047 Outome 6 Designing n reting reltionl tses Unertke testing n proue oumenttion Prtil skills 1 esign n omplete test pln 2 verify tht the tse onforms to the esign speifition 3 test the tse oring to prepre test pln 4 ompre the expete outome to the tul outome, n eie if the tse is working orretly 5 lerly ientify ny isrepnies, n ny menments me to orret errors 6 proue tehnil oumenttion; to inlue e f g h i j k log of testing explntion of normlistion (1NF, 2NF, 3NF) tle strutures t itionry illustrte reltionship igrm (inluing reltionship types) sreen/form lyouts report lyouts query esigns illustrtion n esription of menu interfe ontents n inex results of testing 7 rete user oumenttion; to inlue ler operting instrutions for the omplete tse explntions for ny error messges. Unerpinning knowlege 1 esrie the purpose of test t inluing norml ounry exeption 2 ientify the nee for tehnil n user oumenttion. e-quls Unit Syllus Level 3 Designing n reting reltionl tses

12 Unit reor sheet Use this form to trk your progress through this unit. Tik the oxes when you hve overe eh outome. When they re ll tike, you re rey to e ssesse. Outome Dte 1 Ientify lient requirements for tse 2 Unertke nlysis n esign 3 Implement the tse esign to rete tles n forms for t entry 4 Unertke informtion retrievl 5 Develop reports for output 6 Unertke testing n proue oumenttion Cnite Signture Dte City & Guils Registrtion Numer Qulity nominee (if smple) Dte Assessor Signture Dte Externl Verifier Signture (if smple) Dte Centre Nme Centre Numer 10 e-quls Unit Syllus Level 3 Designing n reting reltionl tses

13 Pulishe y City & Guils 1 Giltspur Street Lonon EC1A 9DD T +44 (0) F +44 (0) City & Guils is registere hrity estlishe to promote eution n trining e-quls Unit Syllus Level 3 Designing n reting reltionl tses