Query Course

8/17/2019 Query Course

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PROGRESS(Version 8.2A)

BASIC QUERY COURSEUpdated Ma 2!!"


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#AB$E O% COES

C'AP#ER *A#ABASE CO&CEP#S...................................................................+DATABASE........................................................................................................................ 1-1

TABLE.............................................................................................................................. 1-1

Record: (Row).........................................................................................................1-1

Field: (Column)......................................................................................................1-1K EY: (U NIQUE IDENTIFIER )............................................................................................ 1-2

I NDEX.............................................................................................................................. .1-2THE R ELATIONAL MODEL............................................................................................... .1-2

C'AP#ER 2 USI&G #'E PROCE*URE E*I#OR.................................................2+CREATING A NEW PROGRAM........................................................................................... 2-1

OPENING AN EXISTING PROGRAM................................................................................... 2-2

SAING A PROGRAM........................................................................................................ 2-!EDITING A PROGRAM....................................................................................................... 2-"

Entering Text............................................................................................................2-4

Selecting Text...........................................................................................................2-4Cutting, Coping !nd "!#ting Text..........................................................................2-4

$n!cti%!ting or Commenting Text............................................................................2-&

Se!rc'ing Text..........................................................................................................2-& $n#erting ! Field !me into ! "rogr!m..................................................................2-

CHECKING# COMPILING# AND R UNNING A PROGRAM......................................................2-$

C'ec*ing "rogr!m Snt!x.......................................................................................2-+

Running ! "rogr!m.................................................................................................2-+ EDIT BUFFERS.................................................................................................................. 2-%

iewing pen Edit u//er#.......................................................................................2-0

IEWING DATABASE TABLES.......................................................................................... .2-%

C'AP#ER , ACCESSI&G #'E *A#ABASE.........................................................,+R ETRIEING R ECORDS FROM THE DATABASE................................................................. !-1

FR EC..............................................................................................................3-1

WHERE expre##ion................................................................................................ 3-2BY expre##ion......................................................................................................... 3-3

-C5................................................................................................................3-3

F$6........................................................................................................................3-3WHERE expre##ion................................................................................................ 3-4

OF t!7le-n!me........................................................................................................3-&

CONTROLLING ERROR PROCESSING WITH FIND.............................................................!-&


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Progress Basic Query Course

-ERRR..............................................................................................................3-

C'AP#ER - OPERA#ORS A&* %U&C#IO&S......................................................-+OPERATORS...................................................................................................................... "-1

rit'metic per!tor#...............................................................................................4-1Comp!ri#on per!tor#............................................................................................4-1

5eword#.................................................................................................................4-1FUNCTIONS...................................................................................................................... "-2PRECEDENCE.................................................................................................................... "-!

C'AP#ER " CO&*I#IO&A$ PROCESSI&G........................................................."+IF'THEN'ELSE............................................................................................................ .-1

ELSE 87loc*9#t!tement.........................................................................................&-1;#ing

FIRST-OF !nd LAST-OF Function#.......................................................................+-

;#ing ACCUMULATE !nd ACCUM..................................................................... +- EXPORT STATEMENT...................................................................................................... $-$

STREAM #tre!m-n!me..........................................................................................+-+

DELIMITER c'!r!cter.......................................................................................... +-+

Table of Contents


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I&*E0........................................................................................................................I+

Table of Contents


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C'AP#ER

*A#ABASE CO&CEP#S

PROGRESS *+,+ ,/0/ 304+, +0*50*, 0 67, 30. A ,/0/ 304+,

+8+0,9 ,/0,+ 3,,0 30 04/,+ 0 ,5; 0;, 3# 0;,,,# + 5050 90. A 304+, /, 50+ 0;, 304+, 3,0+ 3 30.

D04+, 3,0+ 5/*3, 04/, 9,+# ,/3 9,+# ?,8 ,/3+# 3 3,>,+.

DatabaseA 304+, + ,/,505 /6 +8+0,9 676 3 +06 30. I0 + /?, /6

54,0 @;+,


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Key: (Unique Identifier

I PROGRESS 0;,, , 0@ 08


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C'AP#ER

USI&G #'E PROCE*URE E*I#OR

Y* 5 *+, 0;, P5,3*, E30 0 5,0,# 938 3 * PROGRESS 53, (


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E0ERCISE

. Open the Procedure Editor and type the following:

FOR EACH admin NO-LOC:!"#PLA$ unum rnum %"&H ' COL()N*

EN!*

2. #a+e the program a, newprog*p.* /Refer to Sa1in a Prora3 on page 0*1,. Clo,e the program 2y ,electing %i4e C4ose from the menu 2ar*

+,enin% an E!istin% 'r#%ra

T


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E0ERCISE 2

. Open the program newprog*p. u,ing the %i4e Open menu ,election* &ry

opening it 2oth way,*2. Clo,e the program 2y ,electing %i4e C4ose from the menu 2ar*

Sa*in% a 'r#%ra

T +, ,@/8 5,0,3


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E0ERCISE ,

. Open newprog*p.*2. Choo,e %i4e Sa1e from the menu 2ar*

,. &he program ha, 2een ,a+ed again a, newprog*p.*

-. Choo,e %i4e Sa1e As from the menu 2ar*". #a+e the program a, copyprog*p.*. Open copyprog*p. in the Procedure Editor*/. Clo,e 2oth program,*

Editin% a 'r#%ra

T;, P5,3*, E30 ,4/,+ 8* 0 0

S,/,50 0,>0

C*0# 50

S,5; @3# 0 @// 4, +,0,3 3 0;, 5*+ ,0 4/5?.

Chapter ": #sing the Procedure $ditor


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nactiating or Commenting Te%t

Y* 5 500, (599,0)# 0;, 0; 3,/,0,# /,+ 53, @0; 8* 0.

C;+, Sear/" )ind 're*i#us (S4I)T0)3 0 3 0;, 0. C;+, Sear/" Re,la/e ($TRL0R 0 3 +


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nserting a Field *ame into a Program

Y* 5 +,0 ,/3 9, 3,50/8 9 04/, 3,0 0 0;, 5*++


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". W;, 8* , 3, 9?6 8* +,/,50+ 0;, F,/3 S,/,50 +5,,# 5/5? 0;, -+K. 4*00. Y* ,/3+ @// 4, +,0,3 0 8*


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E0ERCISE "

. Open copyprog*p.*2. Chec5 the ,ynta* "f there are any error,8 correct them*,. Run the program*

E0ERCISE "A

Create ,ynta error, and u,e the Re5ent Messaes6Messaes option, to +iew theerror,*

Edit Buffers

A ,30 4*, + 0,9


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W;, 8* +,/,50 T##ls Data Adinistrati#n Database Re,#rts# PROGRESS


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C'AP#ER

ACCESSI&G #'E *A#ABASE

PROGRESS


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N#te: E>99


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O/8 ,53+ @0; *9 4,6 ,0,,3.

T;, ,0,,3 ,53+ 4,6 +0,3 3,+5,36 7< 53, 3,.

**9# *9# /,6/ 9,# 3 0> 7< 53, 4,6 3+ to ,ort retrie+ed record, 2y initial lia2ilitydate in de,cending order*

2. Chec5 the ,ynta and run the program*,. #a+e the program a, foreach?*p.*

*.23.C4

T"e N+;L+$K 5eyrd6 alt"#u%" #,ti#nal6 s"#uld al&ays be used


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N#te: E>9emp m?emp*EN!* 34 for each admin 43


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$#ntr#llin% Err#r 'r#/essin% &it" )IND

PROGRESS


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C'AP#ER

OPERA#ORS A&* %U&C#IO&S

M8 +0


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)un/ti#ns

PROGRESS


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're/eden/e

PROGRESS *+,+ +


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C'AP#ER

CO&*I#IO&A$ PROCESSI&G

C30/ emp m?emp*


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N#te: I E>9


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*esting 7ultiple F &tatements

PROGRESS //@+ 8* 0 0;, +00,9,0 + 0;, +9,# ,63/,++ 0;, *94,

IF +00,9,0+ *+,3.

N#te: T;+ ,>966 NO-LOC:

"F ,tatu,9cd @ '. &HEN !O:"F 7uarterly*m?emp =@ '066 &HEN !O:F"N! admin %HERE admin*unum @ 7uarterly*unum and admin*rnum @ 7uarterly*rnum

NO-LOC NO-ERROR*"F AA"LA


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E0ERCISE 2

. Read the admin ta2le for all record, with an initial lia2ility date after 6G3?63>66?*2. Find the related 7uarterly record for >66-'8 u,ing the where clau,e*,. "f the 7uarterly i, a+aila2le8 chec5 the meei code* "f it i, '8 or B8 di,play the

account num2er and #ingle.* "f it i, >8 di,play the account num2er and )a,ter.*Otherwi,e8 di,play the account num2er and #u2unit.*

-. "f it i, not a+aila2le8 di,play the account num2er and No uarterly for >66-'.*

". Chec5 the ,ynta and run the program*. #a+e the program a, ifne,t*p.*

Chapter


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C'AP#ER

*E%I&E S#A#EME

T;, DEFINE +00,9,0 ,4/,+ 8* 0 5,0, 0,9


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DE$IMALS n

T;, n 350,+ 0;, *94, 3,59/


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*.2#*!.

T;+ ?,8@3 5*+,+ PROGRESS 0 ,/,+, 0;, +06, ++50,3 @0; 0;, 4/, @;,

0;, ,5*0,+.

!EF"NE AR"A


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N#te: T;+ 53, + 0?, 9 0;, / 9


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u//er-n!me + 9, 0;0 8* ++6 0 0;, 330/ ,53 4*,. G,,//8# 0;, 9,+;*/3 50 +9, ,,,5, 0 0;, 04/, @0; @;5; 0 + ++50,3 3 3,08 0;,

4*,+ 50,0+.

N#te: T;, ,53 4*,


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Definin% +ut,ut Streas

PROGRESS *+,+ 3,*/0 *0


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C'AP#ER

GE&ERA#I&G REPOR#S

R,0,6 30 9 0;, 304+, + /8 *+,*/ 8* 5


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PAGE STREAM C*+,+ 0;, *0


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S'A$E ? (n @

3,0,+ 0;, *94, +0 0,9 + 3+


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E0ERCISE 2

Create a program that read, 2oth the admin and 7uarterly ta2le,* !i,play whate+erfield, you de,ire8 2ut ma5e ,ure to include a FOR)A&. ,tatement for at lea,t one of them* (,e #PACE and #"P to help format the report* Output the report to a filenamed myrept*ttD* Eperiment with what you ha+e learned8 u,ing any,tatement,3command, we ha+e co+ered in the cour,e to thi, point*

!efining .utput &treams

T;, DEFINE STREAM +00,9,0 5 4, *+,3 0 3,, 330/ *0


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/ggregate2Phrase &ynta%:

/unction LABEL /unction-identi/ier BY 7re!*-group

LABEL function2identifier

A++6+ /4,/ 0 0;, 66,60,3 /*, 3+


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FIRST-OFJLAST-OF (7re!*-group)

N#te: T;, FIRST-OF of >66-' and gi+e a count of the record,* Hint: &he aggregation, you need are AERAIE and CO(N&*

Chapter A: >enerating Reports

E0AMP$E 2

FOR EACH 7uarterly NO-LOC (#E-"N!E y7ur %HERE yr @ >66 AN! ,tatu,9cd @ '.


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E1'+RT Stateent

T;, EXPORT +00,9,0 5 4, *+,3 0 *0


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I&*E0

A

ACCUM +00,9,0# $-&

ACCUMULATE +00,9,0# $-&

A66,60,-# 1-2K,8# 1-2

F,6 ?,8# 1-2

P98 ?,8# 1-2T4/,# 1-1

F,/3# 1-1R,53# 1-1

D04+, 3,0+# 1-1D04+, 04/,+

C0,0+ 3 ,/0+;


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R,/0/ 93,/# 1-2

R,

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