7/24/2019 oracle quizz

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1. What are the major content areas covered in the Oracle Academy? DataModeling, SQL, and PL/SQL2. The demand for Information Technology professionals in today's market isincreasing.True. !o" do yo# t#rn $data$ into $information$? By querying it or accessing it%. What are the res#lts of having all yo#r data in one central location? Easier

access to data, Improved perormance.&. onsider an e(ample "here an Oracle data)ase "orks $)ehind the scenes$ forcommon internet activity. Which of the follo"ing )est descri)es a data)asetransaction? ! person searc"es an airline #e$site to %nd all availa$le aresor a &ig"t'*. Which of the follo"ing are e(amples of data vs. information+ Student age vs'average age o all students in class, Ban( deposit amount vs' totalaccount $alance, Price o a computer vs' total sales o all computers or acompany,. Which of the follo"ing represents the correct se-#ence of steps in the ata)aseevelopment /rocess? !naly)e, Design, Build0. ata odeling is the last step in the data)ase development process. *alse

. Oracle "as one of the 3rst relational data)ase systems availa)le commercially.True14. The overall mission of the Oracle orporation is to #se the internet and fastprocessing servers to )#ild its o"n net"ork. 5alse11. 6sers "o#ld interact "ith "hich of the follo"ing soft"are to access essential)#siness applications? Operating 7ystem soft"are8 Internet 9ro"ser soft"are8 :6Isoft"are12. hanges in comp#ting have a;ected many of o#r day

7/24/2019 oracle quizz

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They model f#nctional and informational needs.They acc#rately descri)e "hat a physical model "ill contain.They capt#re c#rrent and f#t#re needs.

24. AEan FFATTCI96TBFFFFFFF is a piece of information that in some "ay descri)esan entity. It is a property of the entity and it -#anti3es8 -#ali3es8 classi3es8 orspeci3es the entity.

21. In a physical data model8 an attri)#te is represented as aEan ol#mn22. Bntities are #s#ally ver)s. 5alse2. Which of the follo"ing entities most likely contains invalid attri)#tes? Bntity+ar. Attri)#tes+ O"ner Occ#pation8 O"ner 7alary8 7peed2%. An entity may have "hich of the follo"ing? Instances2&. Which of the follo"ing statements a)o#t attri)#tes are tr#e?

They descri)e8 -#alify8 -#antify8 classify8 or specify an entity.They have a data type s#ch as a n#m)er or character string.2*. In the follo"ing statements8 3nd t"o good e(amples of BGTIT=+ InstanceAIC= /CO6T+ milk9OOH+ 9iography of ahatma :andhi2,. 6ni-#e Identi3ers+ isting#ish one instance of an entity from all other instances

of that entity20. The "ord $olatile$ means+ hanging constantly #nsta)le

2. 7ome of the follo"ing co#ld )e attri)#tes of an BGTIT= called /BC7OG select

the IGOCCBT attri)#tes for /BC7OG.

5reddy Wilson

/riya !ansenna

4. All of the follo"ing "o#ld )e instances of the entity /BC7OG e(cept "hich? ale

1. What is the p#rpose of a 6ni-#e Identi3er? To identify one #ni-#e instanceof an entity )y #sing one or more attri)#tes andEor relationships.