DBMS II Chapter 4

8/13/2019 DBMS II Chapter 4

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CHAPTER-3.

SQL FORMS

STRUCTURE

3.1 BASIC CONCEPTS.

3.2 COMPONENTS OF AN ORACLE FORM.

3.3 FORM CONSTRUCTION.

3.4 FORM CREATION AND USE.

3.5 CREATING AN ORACLE DEFAULT FORM.

3.5.1 Getting Starte On ORACLE F!r" Creati!n.

3.# T$E ORACLE USER DEFINED FORM.

3.% USING T$E GRAP$ICS EDITOR TOOL.

3.& E'ERCISE.

3.( ANS)ERS.

3.1 BASIC CONCEPTS

F!r"* are t+e ,er- +eart ! an RDBMS *-*te". T+e- are !n/- "ean*0 - +i+ a

r!gra""er an en*re t+at t+ere i* ,a/i ata *itting in t+e ta/e.

In rea/ ti"e a/iati!n it i* n!t a/a-* !**i/e t! enter ,a/i ata t! t+e ta/e - *ing

in*ert *tate"ent. ORACLE r!,ie* a r!gra""er it+ a te+ni6e a//e !r" a*e "et+!

! /!aing a ta/e it+ ,a/iate ata.

A !r" i* e*igne ,ia a t!!/0 +i+ a//!* ,ari!* !n*traint einiti!n* t+at an e

atta+e t! !r" ie/*0 *! t+at ata entere int! t+e !r" ie/ an e ,a/iate.


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3.2 COMPONENTS OF AN ORACLE FORM

A !r" i* "ae ! aiti!na/ !7et*. T+e*e !7et* /in8 t+e !r"* t! ta/e e/e"ent*0

*+ a* !/"n* an r!,ie !ntr!/ !,er t+e /! ! !r" e9eti!n.

Blocks:

A !r" !ntain* !ne !r "!re /!8*. A /!8 "a- !r "a- n!t e !nnete t! t+e ta/e.

Ea+ /!8 an e iret/- re/ate t! a *ing/e ataa*e ta/e. $ene t+e ie/ in t+e /!8 i*

a**!iate it+ a !/"n in t+e ta/e. T+i* iret re/ati!n*+i a//!* !erat!r* t! 6er-0 ate0

in*ert an e/ete ata in t+e a*e ta/e ,ia t+e !r".

A /!8 an a/*! iniret/- re/ate t! !r arr- in!r"ati!n r!" an- n"er ! ataa*eta/e*.

B/!8* an e re/ate t! ea+ !t+er - *ei-ing "a*ter:etai/ re/ati!n*+i*. A "a*ter:

etai/ re/ati!n*+i !rre*!n* t! a ri"ar-:!reign 8e- re/ati!n*+i eteen t+e a*e ta/e* !

t! /!8*.

Fiels:

Fie/* are !ntainer* !r ata it+ in a !r". A ie/ i* a/a-* a**!iate it+ a /!8.

Ea+ /!8 n!r"a//- +a* !ne !r "!re ie/*. T+e ie/* in a /!8 *a//- !rre*!ne t!

!/"n* ! ata in a ta/e !r t+e /!8 t+at !n* t+e".

Fie/* ! n!t a/a-* !rre*!n t! t+e !/"n* ! a a*e ta/e !r t+e /!8. T+e- an

+!/ a//ate ,a/e*0 i*/a- re/ate in!r"ati!n r!" !t+er ta/e* !r aet !erat!r int !r

/ater r!e**ing.

P!"es:

Page* are !//eti!n* ! i*/a- in!r"ati!n. Page* +a,e +arateri*ti* *+ a* *i;e0

i*/a- t-e0 et. Page* ier r!" *reen*< *reen* are ter"ina/ i*/a- area*. M/ti/e age*

an aear !n a *reen !r a age an e /arger in *i;e t+an t+e *reen.


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T#i""e#s:

Trigger* are /!8* ! !e t+at an e atta+e t! t+e !r" ie/. Trigger* are e,ent:

a*e. Trigger* are ire !n an e,ent +aening !n t+e !r" *+ a* ata entr- int! t+e ie/0taing !t ! a !r" ie/ et.

Fo#$-Le%el P#ocees:

F!r":a*e r!ere* are a//a/e *et* ! !""an*. T+e*e r!ere* an *e an-

!""an t+at a trigger an *e. F!r" /e,e/ r!ere* are a/a-* atta+e t! a !r". T+e- an

e a//e - an!t+er !r":/e,e/ r!ere !r a trigger !n t+e !r".

T+e ,ari!* !7et* +i+ a !r" +!/* an e *""ari;e a* !//!* =:

F!r"*

Page* B/!8* F!r":/e,e/ Trigger*

Pr!ere*

Fie/* Trigger*

Trigger*

A !r" +!/* age>*?0 /!8>*?0 !r":/e,e/ r!ere>*? an trigger*>*?. A /!8 !n t+e

!r" +!/* trigger>*? an ie/>*?. A ie/ !n t+e !r" +!/ trigger*>*?.

3.3 FORM CONSTRUCTION

T+e *i"/e*t !r" i* !ne +ere t+ere i* a *ing/e ta/e !nnete t! it i.e. !ne a*e ta/eatta+e t! t+e !r" an !n/- !ne r! ! t+e ta/e i*/a-e !n t+e !r". T+e !r" ie/*

reate !n t+e !r" ta8e t+eir ata t-e an it+ r!" t+e !/"n* in t+e ta/e. T+i* i* 8n!n

a* ORACLE@* ea/t !r".


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Ta/e na"e = te/!!8

NAME AGE TELNO.

Pa/ 22 #45&53

i*+!re 1( &%3545#

-!t+i 1& 2%23442Sant!*+ 2% #4&2%55

Diagra" 3.1 = Data +e/ in a ta/e.

F!r" na"e = te/!!8

Na"e =

Age =

Te/n! =

Diagra" 3.2 = Data +e/ in a !r".

On/- !ne re!r r!" t+e ta/e telbook i* i*/a-e !n t+e !r" in a iagra" 3.2.

A /!8 !n t+e !r" i* *a//- !nnete t! a a*e ta/e0 +i+ i// +a,e !r" ie/* !n

it. T+e !r" ie/* are ata i8 area* +!*e ara"eter* are ta8en r!" t+e atta+e ta/e*@

*e/ete !/"n*.

3.' FORM CREATION AN( USE

In ORACLE0 !r"* are reate - *ing t+e !r"* reati!n t!!/ ,ia SLFORMS.

U*ing t+i* t!!/0 t+at +a* a *reen ainter0 a ata i8 *reen an e e*igne t! -!r /i8ing.

One t+e ie/@* attrite* are *et0 re** t+e aet 8e- *e6ene0 Sa,e t+e +ange* "ae

t! t+e !r"0 Generate an e9ete it.


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At t+e ti"e t+e !r" a* reate0 e +a atta+e a a*e ta/e t! t+e !r". T+i* i* t+e

ta/e +!*e ata e *+a// e "ani/ating ,ia t+e !r". A/*! *eiie i* +et+er t+e !r"

!/ i*/a- !n/- a *ing/e re!r !r a ata *et r!" t+e ta/e.

3.) CREATIN* AN ORACLE (EFAULT FORM

Be!re reating an ORACLE !r" -! +a,e t! e re!gni;e a* a /egiti"ate Uni9 *er

an -! nee t! get t! t+e Uni9 *-*te" r!"t. T! ! t+i*0 */- -!r /!gin i an a**!r.

3.).1 *ETTIN* STARTE( ON ORACLE FORM CREATION

At t+e r!"t t-e = sqlforms30 –c vt100:vt100

NOTE : T+i* a**"e* -!r ter"ina/ t-e i* ,t1.

>A*8 t+e S-*te" A"ini*trat!r !r in!r"ati!n !n -!r ter"ina/ t-e?

Ne9t enter t+e *er na"e an a**!r.

NOTE : Ea+ ti"e an atte"t t! *e an- ! t+e ORACLE t!!/* i* "ae0 a /!gin an a**!r

i// e e"ane - t+e ORACLE DBA.

One -! +a,e een aete a* a /egiti"ate *er ! ORACLE@* t!!/*0 t+e SQL*FORMS

"ain "en i// aear. T+i* i// a//! -! t! ae** t+e ,ari!* t!!/* !r reating an ORACLE

!r".

Ati!n !R " B/!8 Fie/ Trigger Pr!ere I"age He/ O ti!n*

SLFORMS

Pe#+o#$ *lo,!l Oe#!io/s o/ +o#$s00

Fr"= B/8= F/= Trg= ReH

Sreen 3.1 = SLFORMS !ening *reen.


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In *reen 3.10 t+e !ening *reen0 t+e r*!r i* !n t+e "en !ti!n Acto!" On re**ing

EnterH0 r!" t+e r!!n "en t+at aear*0 *e/et Ne#.


SLFORMSNeOen:::::::::::::::::::C!-Rena"eDe/eteL!a:::::::::::::::::::Print D! HGenerate

E9ete:::::::::::::::::::Sa,eF!r" Serit-it

C#e!e ! /e +o#$00


Sreen 3.2 = T+e "an- +!ie* in t+e Acto! !ti!n

Ati!n !R " B/!8 Fie/ Trigger Pr!ere I"age He/ O ti!n* SLFORMS

NE) FORM

NAME =

E/e# e /!$e o+ e +o#$ ! o& !#e c#e!i/"00


Sreen 3.3 = Creating a ne !r".


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Enter t+e na"e ! t+e !r" t! e reate an re** t+e aet 8e- *e6ene >F4?. One

t+i* i* !ne0 -! are retrne t! t+e !ening *reen >*reen 3.1?0 +ere -! an reate a ea/t

/!8 !n t+e ORACLE !r".

U*ing t+e rig+t/et arr! 8e-*0 "!,e t+e r*!r t! t+e $lock !ti!n ! t+e "en an r!"

t+e r!!n "en t+at aear*0 *e/et %ef&'lt .

NOTE : T+e 8e- *e6ene* "a- ,ar- !r ierent ORACLE in*ta//ati!n*. A*8 -!r S-*te"*

A"ini*trat!r !r +e/.

Ati!n !R " B/!8 Fie/ Trigger Pr!ere I"age He/ O ti!n* SLFORMS M!i-

Trigger (e+!&l

C#e!e ! e+!&l00


Sreen 3.4 = Creating t+e ea/t /!8.

Enter t+e B/!8 Na"e an Ba*e Ta/e a* *+!n in t+e *reen 3.5.

Ati!n !R " B/!8 Fie/ Trigger Pr!ere I"age He/ O ti!n* Dea/t B/!8

B/!8 Na"e = o# Ba*e Ta/e = o#

Se6ene N"er = 1 >Se/et C!/"n*? J K U*e C!n*traint* Re!r* Di*/a-e = 1 Page N"er = 1 Ba*e Line = 1

Ma*ter B/!8 = J K De/ete Detai/*

:::::::::::::::::::::::::::::::::::::::::!in C!niti!n::::::::::::::::::::::::::::::::::::::::

Fr" = o# B/8= F/= Trg= ReH

Sreen 3.5 = Dea/t B/!8 Sreen.


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Se/et t+e re6ire !/"n* t! it t+e /!8 eing reate. Pre** t+e *e/et 8e- *e6ene

>? t! *ee a /i*t ! t+e a*e ta/e >a*e ta/e *e +ere i* ord an it* !/"n* are a* *+!n in t+e

*reen 3.#? !/"n* an *reen 3.# i// aear.

Ati!n !R " Fie/ Trigger Pr!ere I"age He/ O ti!n* Dea/t B/!8

B/!8 Na"e = Se/et C!/"n* Ba*e Ta/e =

Se6ene N"er ORDID *e C!n*traint*

Re!r* Di*/a- ORDERDATE Line = 1 COMMPLAN CUSTID S$IPDATE TOTAL

Ma*ter B/!8 = De/ete Detai/*

Fr" = !r B/8 = F/ = Trg = ReH

Sreen 3.# = Se/eting !/"n* !r t+e /!8.

I -! ant t! e*e/et an- !/"n0 g! t! t+at !/"n *ing t+e arr! 8e-* an re** t+e

*e/et 8e- *e6ene >?. Ater -! +a,e !ne t+i*0 re** t+e aet 8e- *e6ene t! aet t+e

!t+er !/"n*. I a// !/"n* are re6ire0 re** t+e aet 8e- *e6ene at t+e ,er- *tart.

Aet ea/t ,a/e* !r t+e re"aining !ti!n*.

B- re**ing t+e aet 8e- *e6ene n!0 -! i// e retrne t! t+e !ening *reen i.e.

*reen 3.1. Se/et S&ve r!" t+e r!!n "en ! Acto!0 i.e. *reen 3.2. T+e na"e ! t+e

!r" /a*t reate i// aear. T! aet t+e *a"e na"e !r t+e !r"0 +it enter.


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T+i* a*e* t+e !r" t! e *a,e er"anent/- a* a re*a/e !7et. A* t+i* !r"@*

ae*t+eti* +a,e een eter"ine - ORACLE0 it i* 8n!n a* a (ef&'lt ORACLE !r".

)+en t+e !r" i* generate SQL*FORMS reate* a i/e it+ a frm e9ten*i!n. E9ete

t+e ea/t !r".

3.4 THE ORACLE USER (EFINE( FORM

One -!r (ef&'lt ORACLE !r" i* *a,e0 -! are retrne a8 t! t+e !ening *reen

i.e. *reen 3.1. C+!!*e )m&e r!" t+e "en. T+e *reen t+at aear* i// /!!8 a* *reen 3.%.


SLFORMS "!i-P!i/e#

E/e# e sc#ee/ !i/e# o/ ! !#ic&l!# !"e0..


Sreen 3.% = T+e ,ari!* +!ie* in t+e m&e !ti!n.

Ati!n !R " B/!8 Fie/ Trigger Pr!ere I"age He/ O ti!n* SLFORMS

IE) PAGE

PAGE =

E/e# e /&$,e# o+ e !"e ! o& !/ o %ie0..


Sreen 3.& = Se/eting t+e age t! e reate.


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Ater t+i* !erati!n it+ t+e t!!/0 t+e age -! +!!*e t! !r8 !n an t+e *e/ete a*e

ta/e@* ie/* i// e i*/a-e !n t+e *reen. T+i* i* t+e (ef&'lt ORACLE !r". U*ing t+e

gra+i* eiting t!!/0 -! an "!i- t+e !r".

3.5 USIN* THE *RAPHICS E(ITOR TOOL

T! ra a !9 !r a /ine =

T! ra a !9 !r a /ine0 t! !int* are re6ire. F!r raing a /ine0 t+e t! !int* i// e t+e

*tarting an ening ! t+e /ine. F!r raing a !90 t+e*e !int* i// e t+e t! iag!na/ !rner*

! t+e !9.

• P/ae t+e r*!r at t+e ir*t !int.

• Pre** t+e *e/et 8e- *e6ene > i.e. ? t! "ar8 t+e ir*t !int.

• M!,e t+e r*!r t! t+e *e!n !int.

• Pre** t+e *e/et 8e- *e6ene0 t! "ar8 t+e *e!n !int.

• Pre** t+e 8e- *e6ene t! ra > i.e. F% ?.

U*ing t+e ta*te aai/itie* ! t+e !r" t!!/ =

T! er!r" t+e t !erati!n0 again0 t! !int* are re6ire i.e. a *tarting !int an an ening

!int.

• P/ae t+e r*!r at t+e ir*t !*iti!n > i.e. t+e *tarting !int ?

• Pre** t+e *e/et 8e- *e6ene.

• U*e t+e arr! 8e-* t! "!,e t+e r*!r.

• C+!!*e t+e *e!n !*iti!n >ening !int?.


• Ater +a,ing "ar8e t+e *tarting an ening !*iti!n re** t+e t 8e- *e6ene >i.e.

E*De/? t! t.

• T+e "ar8e !rti!n i// i*aear.

• M!,e t+e r*!r t! t+e !*iti!n at +i+ -! ant t! a*te t+e t !rti!n.

• Pre** t+e a*te 8e- *e6ene > i.e. E*F1?.


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• T+e t !rti!n >+e/ in t+e RAM er? i* a*te at t+e +!*en !*iti!n.

Noe : T+e "ar8e !rti!n i* "!,e t! a RAM er t+at an +!/ !n/- a *ing/e /!8 t+at i*

t0 at an- !int in ti"e. T+ere!re t+i* *+!/ a*te0 e!re tting an- an!t+er !rti!n. I t+i*

i* n!t !ne0 t+en t+e ne9t t !rti!n in t+e er i// !,errite t+e ir*t t !rti!n.

Creating a ie/ !n a !r" t+at i* n!t !nnete t! a a*e ta/e =

Fir*t an !re"!*t0 e +a,e t! *e/et t+e !int at +i+ e ant t+e ie/ t! aear.

• P/ae t+e r*!r at t+e ir*t !*iti!n.


• M!,e t+e r*!r t! t+e *e!n !*iti!n.


• Pre** t+e reate ie/ 8e- *e6ene.

B- !ing t+i*0 -! +a,e eine t+e ie/ /engt+. Ne9t0 a Fel( %ef!to! in! aear* a*

*+!n in *reen 3.(.

Ati!n !R " B/!8 Fie/ Trigger Pr!ere I"age He/ O ti!n* Fie/ Deiniti!n

Fie/ Na"e = Date Se6ene N"er = 5 Data T-e = N"er >Se/et Attrite*?

Fie/ Lengt+ = # er- Lengt+ = # Di*/a- Lengt+ = # Sreen P!*iti!n = ' = 2 = 4 Page = 1 >Eit!r Attrite*?

F!r"at Ma*8 = Dea/t a/e = $int = Enter ,a/e !r = DATE a/i Range = L! = $ig+ = En!re e- = Li*t ! ,a/e* = Tit/e = P!* = ' = =

::::::::::::::::::::::::::::::::: Li*t ! a/e* SL Te9t :::::::::::::::::::::::::::::::::

:::::::::::::::::::::::::::::::::::::::: C!""ent ::::::::::::::::::::::::::::::::::::::::::::

Enter t+e ie/ na"eFr"= !r B/8= !r F/= DATE Trg= ReH

Sreen 3.( = Deining t+e ie/ attrite*.


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T+e %&t& T+,e0 in *reen 3.(0 i// i*/a- t+e /a*t *e ata t-e0 eine ring !r"

reati!n.

ari!* ata t-e* an e i*/a-e0 a* *+!n in *reen 3.10 +ere t+e- an e tagge

t! t+e rrent ie/.


Fie/ Na"e DAT Data T-e Se6ene N"er = 5 >Se/et Attrite*? Fie/ Lengt+ = # C$AR Di*/a- Lengt+ = # Sreen P!*iti!n = ' = 2 NUMBER >Eit!r Attrite*?

F!r"at Ma*8 = RNUMBER Dea/t a/e = DATE $int = Enter a/e !r = D DATE a/i Range = L! = EDATE +=

En!re e- = TIME Li*t ! a/e* = Tit/e = ALP$A P!* = ' = =

INT ::::::::::::::::::::::::::::: L RINT ::::::::::::::::::::::::::::::: MONE RMONE

::::::::::::::::::::::::::::::::: ::::::::::::::::::::::::::::::::

Fr"= Or B/8= !r F/= DATE Trg= ReH

Sreen 3.1 = ari!* ata t-e* i*/a-e !r a ie/.

Pre** t+e aet 8e- *e6ene t! aet in!r"ati!n0 i*/a-e in *reen 3.1. Ater t+e

!r" ie/ +a* een e/are -! an atta+ ,ari!* attrite* t! it ,ia/ t+e Select Attrb'tes a*

*+!n in *reen 3.11.


13/15


Fie/ Na"e DATE Se6ene N"er = 5 J ' K Ta/e >Se/et Attrite*? Fie/ Lengt+ = # J ' K Pri"ar- e- Di*/a- Lengt+ = # Sreen P!*iti!n = ' = 2 J ' K Di*/a-e >Eit!r Attrite*?

F!r"at Ma*8 = J ' K Re6ire Dea/t a/e = J ' K Int A//!e $int = Enter a/e !r = D J K Uate A//!e a/i Range = L! = += J K Uate i N//

En!re e- = J ' K er- A//!e Li*t ! a/e* = Tit/e = J K Uera*e P!* = ' = = J ' K E+! Int

::::::::::::::::::::::::::::: L J K Fi9e Lengt+ ::::::::::::::::::::::::::: J K At!"ati S8i J K At!"ati $int

::::::::::::::::::::::::::::::::::: ::::::::::::::::::::::::::::

I* t+e ie/ a*e !n a !/"n in t+e a*e ta/eFr"= Or B/8= !r F/= DATE Trg= ReH

Sreen 3.11 = Se/eting ie/ attrite*.

REFERENCES:-

1. ORACLE : Ora/e re** !!8. 2. ORACLE Q% : I,an Ba-r!**.


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3.6 E7ERCISES

A. FILL IN THE BLAN8S :-

1. F!r" i* "ae ! t+at /in8* !r"* t! ta/e e/e"ent* *+ a*

!/"n*.

2. In t+e !r"0 in t+e /!8 i* a**!iate it+ a !/"n* it+ t+e ta/e.

3. A C!rre*!n* t! re/ati!n*+i eteen a*e ta/e* ! t!

/!8*.

4. are /!8 ! !e t+at an e atta+e t! t+e !r" ie/.

5. In ORACLE0 !r"* are reate - *ing !r" reati!n t!!/ ,ia .

#. T! *tart it+ ORACLE !r"*0 at t+e r!"t -! nee t! t-e .

%. )+en t+e !r" i* generate SLFORMS reate* a i/e it+ e9ten*i!n.

B. ANS9ER THE FOLLO9IN* :-

&. )+at i* a !r" E9/ain +! !r"* +e/ t+e r!gra""er.(. E9/ain t+e ierent !"!nent* ! ORACLE F!r"*.

1. )+at i* ORACLE@* ea/t !r" E9/ain rie/- it+ e9a"/e.

11. Menti!n t+e ierent !7et* ! SL !r"*.

12. Menti!n t+e ierent Oti!n* t+at aear !n SL !r"* *reen.

13. Brie/- *ei- t+e ierent *te* t+at are t! e !//!e +i/e reating a ea/t

!r" !r an a/rea- e9i*ting ta/e.


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B. PRACTICAL ASSI*NMENT :-

Create t+e !//!ing ta/e* *ing *ita/e SL *tate"ent*. F!r ea+ ! t+e ta/e*reate0 reate t+e ea/t !r"*. T+e ta/e na"e* a/!ng it+ e*riti!n are gi,en e/!.

EMPLOEE ACCOUNTS STUDENT

Na"e ata t-e Na"e ata t-e Na"e ata t-e e":n! ,ar+ar2>#? A!nt:n! N"er>#? Reg:n! N"er>#? e":na"e ,ar+ar2>25? C*t:na"e ,ar+ar2>25? St:na"e ,ar+ar2>25? et:na"e ,ar+ar2>15? A!nt:t-e ,ar+ar2>5? t!ta/:"ar8* n"er>3? Sa/ar- n"er>#02? a/ane:a"t n"er>%02? Re*/t ,ar+ar2>15?

3. ANS9ERS

A. 1. aiti!na/ !7et*

2. ie/*

3. Ma*ter:etai/ re/ati!n*+i

4. Trigger*

5. SL F!r"*

#. S6/!r"*3 Q ,t1 = ,t1%. .r"

Documents

DBMS II Chapter 4