db2 program preperation

8/9/2019 DB2 Program Preperation

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COBOL Divisions:

1) IDENTIFICATION DIVISION. PROGRAM-ID. Entry A!T"OR. #ntry.$ INSTALLATION. #ntry.$ DATE-%RITTEN. #ntry.$ O&tion'(

DATA-COMPILED. #ntry.$ SEC!RIT. #ntry.$ REMAR*S. #ntry.$

+) ENVIRONMENT DIVISION. CONFIG!RATION SECTION. SO!RCE-COMP!TER. so,r#-o&,t#r-#ntry. OB/ECT-COMP!TER. o0#t-o&,t#r-#ntry. SPECIAL NAMES. si'(-o&,t#r-#ntry$. INP!T-O!TP!T SECTION. FILE CONTROL. 23(#-ontro(-#ntry45. I-O-CONTROL. in&,t-o,t&,t-ontro(-#ntry$.

6) DATA DIVISION. FILE SECTION. LINKAGE SECTION

%OR*ING-STORAGE SECTION.

7) PROCED!E DIVISION.

8) %OR*ING-STORAGE SECTION.9) EEC S;L DEPTNAME> MGRNO

?) FROM DEPT1@)%"ERE ADMRDEPT :ADMRDEPT11)FOR !PDATE OF MGRNO1+)END-EEC.

EEC S;LDECLARE C!RSOR SAMPC!RS %IT" RO%SET POSITIONING FORSELECT DEPTNOFROM DSN=1@[email protected]

END-EEC.

O0#t D#sri&tion

So,r# Ev#ry &ror' st'rts 's ' s#ri#s o ost ('n,'#st't##nts> non 's t# '&&(i'tion so,r#. T# so,r# is

r,n tro, t# DB+ &r#-o&i(#r to 'v# its S;L

st't##nts r#ov# 'n &('# in ' DBRM.Moi3# so,r# T# DB+ &r#-o&i(#r r#'t#s t# oi3# so,r# o,(#

0y stri&&in t# so,r# o,(# o '(( its S;L st't##nts.

T# oi3# so,r# is &'ss# to t# ost ('n,'#

o&i(#r.


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Lo' o,(# T# (in'# #itor r#'t#s ' (o' o,(# ,sin t# o,t&,t o

t# ost ('n,'# o&i(#r. T# (o' o,(# ont'ins t#

#H#,t'0(# or o t# ost ('n,'# st't##nts 'n is

#H#,t'0(# it 'n '&&(i'tion &('n.DBRM T# DBRM is r#'t# 0y t# DB+ &r#-o&i(#r ro t# S;L

st't##nts stri& ro t# &ror' so,r# o#.P''# A &''# '(so is r#'t# 0y t# BIND st't##nt. It ont'ins

t# '#ss &'ts or ' sin(# DBRM. It ,st 0# si3# in

t# &''# (ist o ' &('n 0#or# it 'n 0# #H#,t# it

t# '&&ro&ri't# (o' o,(# or t# &ror').P('n A &('n is r#'t# 0y t# BIND st't##nt. It onsists o ' (ist

o on# or or# &''#s. T# &('n is #H#,t'0(# it t#

orr#s&onin &ror' (o' o,(#.Co((#tion A o((#tion is 'n i#nti3#r ,s# to ontro( t# r#'tion o

,(ti&(# &''#s ro t# s'# DBRM. T#ni'((y> '

o((#tion is not 'n o0#t> 0,t it is in(,# in tis (ist or

o&(#t#n#ss.)V#rsion A v#rsion is ' to#n si3# to t# DB+ &r#-o&i(#r t't

#n'0(#s ,(ti&(# v#rsions o t# s'# o((#tion 'n

&''# to #Hist.

DB+ Co(,n Byt#s COBOL PIC C(',s# Byt#s

SMALLINT + PIC S?@7) COMP +

INTEGER 7 PIC S?@?) COMP 7

DECIMAL &> J)

P so,( 0# (#ss t'n 6+)

Int PK+) PIC S?&-J)V?J) Int##r

P;)K+ 1)

DATE 7 PIC 1@) =

TIME 6 PIC @=) 9

TIMESTAMP 1@ PIC +9)

yyyy---

..ss.nnnnnn

+9

C"ARn) n1 to +87) N PIC n) N

VARC"ARn) n@-7@79) N @1 %S-COL!MN.

7? %S-COL!MN-

LENGT" PIC

S?@7) COMP

7? %S-COL!MN

N+


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TET PIC n)

Data Type COBOL Data Declaration Comments

'r @1 identifer PIC n).

@1 identifer PICT!RE IS n).

n is ' &ositiv# int##rr#&r#s#ntin t# (#nt o t#C"AR o(,n v'(,# 'ssin# tot# ost v'ri'0(#.

v'r'r @1 i#nti3#r

7? identifer PIC S?ni) COMP.

7? identifer PIC nc).

ni is ' &ositiv# int##r ro 1 to7> r#&r#s#ntin t# (#nt o t#n,#ri o(,n v'(,# 'ssin#to t# v'ri'0(# ont'inin t#strin (#nt.

nc is ' &ositiv# int##r #J,'( tot# (#nt o t# ('r#stVARC"AR o(,n v'(,# t't 'n0# 'ssin# to t# ost v'ri'0(#.

s'((int @1 identifer PIC S?7) COMP.

@1 identifer PIC S?n) COMP.

@1 identifer PIC S?n) !SAGE ISCOMP.

n is ' &ositiv# int##r ro 1 to7> r#&r#s#ntin t# v'ri'0(#(#nt. No #i'( &oints 'r#'((o#. Anytin ot#r t'n ?sin t# Pit,r# (',s# '#s 't'it# ,n'#&t'0(# 's ' ostv'ri'0(#. PIC S 'n COMP 'r#r#J,ir#. o, 'y ,s# COMP-7

or COMP-8 in &('# o COMP in##ss'ry.

int##r @1 identifer PIC S??) COMP.

@1 identifer PIC S?n) COMP.

@1 identifer PIC S?n) !SAGE ISCOMP.

n is ' &ositiv# int##r ro 8 to?. No #i'( &oint is '((o#.Anytin ot#r t'n ?s in t#Pit,r# (',s# i(( '# t#'t' it# ,n'#&t'0(# 's 'ost v'ri'0(#. PIC S 'n COMP'r# r#J,ir#. o, 'y ,s#COMP-7 or COMP-8 in &('# oCOMP i n##ss'ry.

#i'( @1 identifer PIC S?V COMP-6.

@1 identifer PIC S?n) V COMP-6.

@1 identifer PIC S?n) V?m) COMP-6.

@1 identifer PIC S?n) V?m) !SAGEIS COMP-6.

n 'n m 'r# &ositiv#

int##rs n m 'nnot #H##18. o, ,st in(,# ' V to#not# t# #i'( &oint.Anytin ot#r t'n ?s 'n ' Vin t# Pit,r# (',s# i(( '#t# 't' it# ,n'#&t'0(# 's 'ost v'ri'0(#. PIC S 'n COMP-6.'r# r#J,ir#.


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o't @1 identifer COMP-+.

@1 identifer !SAGE IS COMP-6.

COMP-+. or COMP-6. is r#J,ir#.

't# @1 identifer PIC n).


n ,st 0# 'n int##rr#&r#s#ntin t# (#nt o t#'t# strin. For #H'&(#> i t#

't# strin is in t# or'tMMKDDK> n 'y #J,'( =. I int# or't MMKDDK> nso,( #J,'( 1@. M'# s,r# yo,r't# or't is s#t orr#t(y int# O&tions ,ti(ity. S## t#O&tion ,ti(itys on(in# #(& orinor'tion '0o,t oiyin t#'t#Kti# r#&r#s#nt'tion.

ti# @1 identifer PIC n).


n ,st 0# 'n int##rr#&r#s#ntin t# (#nt o t#ti# strin. To in(,#

s#ons> n ,st 0# 't (#'st =.For #H'&(#> ' ti# strin in t#or't "":MM r#J,ir#st't n #J,'( 't (#'st 8> i(# 'ti# strin in t# or't"":MM:SS r#J,ir#s t't n #J,'('t (#'st =.

r#s,(t s#t(o'tor

@1 i#nti3#r S;L TPE IS RES!LT-SET- LOCATOR.

A 7-0yt# v'(,# ,s# 0y DB+ to,niJ,#(y i#ntiy ' J,#ry r#s,(ts#t r#t,rn# 0y ' stor#&ro#,r#.

0C4,0C5,

0C6Addressing program check

• Runaway or uninitialized subscript or index

• issing or in!alid "" statement

• Reading #rom or writing to an unopened #ile

• $pening or closing the #ile twice

• "ropping o## the end o# the program

• %sing a di!isor or multiplier that is too large


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• %sing the wrong &$R'()* in a C$*$( sort

0C+

"ata exception program check

• "ata item not initialized

• ")&(A- data mo!ed to a numeric group item

• )mproper de#inition in the ()./A1 &1C')$.

• )n!alid or misaligned data in an input #ile

• )mproper initialization using $21 31R$

• Runaway or uninitialized subscript or index

'he ob exceeded the amount o# time allowed by the system or by the ')1

parameter o# the 7$* or 181C 7C( statement9 Check to determine i# the programis looping9

+'he disk doesn:t ha!e enough space to allocate the #ile

+

'he number o# print lines exceeds the system limit #or the #ile9 Check to determine

i# your program is looping9 )# not, modi#y the 7C( to increase the number o# lines

permitted9

;06

A re


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program loop that contains a =R)'1 statement9

1+

'he disk does not contain enough a!ailable space to allocate the amount re

db2 program preperation

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