---------------------------------------------------------------
10 :
4
- , .
---------------------------------------------------------------
---------------------------------------------------------------
INFORMIX . -
"", -
"", -
.
: " INFORMI" .
** 4GL h4gl
** 4GL h4f
** 4GL h4per
** 4GL h4r
4GL h4deb
4GL h4util
SQL hsql
SQL hsper
: " INFORMI" .
schoolpla
schoolpl10
** INFORMIX school0
** DBMSrogrbd
** SQL schoolsql
INFORMIX-4GL h4rtwent
** INFORMIX-4GL school4gl
** schoolr
** schoolper
INFORMIX infext
INFOR h4k
4GL-RDS MAIN MENU h4m
4GL-Compiler MAIN MENU h4cm
SQL MAIN MENU hsm
INFORMIX infdocls
, INFORMIX infdir
INFORMIX infnastr
INFORMIX russort.dir
132 132simw
---------------------------------------------------------------
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1 .
1. INFORMIX:
.
.
SQL - .
4GL INFORMIX.
INFORMIX.
2. INFORMIX:
INFORMIX
INFORMIX
3. : .
INFORMIX-SQL:
, ,
INFORMIX-4GL RDS:
zawod
primer ( zawod)
stores. *demo.
:
INFORMIX school0
DBMSrogrbd
INFORMIX infext
INFORMIX h4k
4GL-RDS h4m
4GL-Compiler h4cm
INFORMIX-SQL hsm
1. SQL. -
.
SQL .
INFORMIX
.
SQL.
- :
CREATE, DROP, ALTER .
- :
INSERT, DELETE, UPDATE .
2. . .
SQL INFORMIX-SQL.
, , -
INFORMIX-SQL.
1. - :
SELECT
- :
GRANT / REVOKE , LOCK / UNLOCK , SET LOCK MODE
- .
2. . .
SQL INFORMIX-SQL.
-
SQL INFORMIX-SQL
:
SQL hsql
SQL schoolsql
1. 4GL.
.
4GL.
.
.
. , ,
.
INPUT, DISPLAY, INSERT, UPDATE, DELETE.
.
2. .
INFORMIX-4GL RDS, Compiler.
.
:
"INFORMIX-4GL " h4rtwent
primer rimer*.4gl
1. 4GL. .
.
.
.
4GL:
,
- MAIN FUNCTION REPORT
- DEFINE GLOBALS
- LET INITIALIZE
- CALL EXIT GOTO RETURN FOR LABLE CASE WHILE RUN IF
- CONTINUE SLEEP
- WHENEVER DEFER
SQL
- PREPARE EXECUTE FREE
-
. SELECT INSERT :
- DECLARE OPEN FOREACH PUT CLOSE FETCH FLUSH
.
.
.
.
- MESSAGE, ERROR, PROMPT
- OPTIONS, ATTRIBUTE
2. .
.
1.
- INPUT, DISPLAY, CONSTRUCT
" " /.
.
- INPUT ARRAY, DISPLAY ARRAY
2. .
FORM INFORMIX-4GL.
.
3. 4GL
:
INFORMIX-4GL school4gl
4GL h4gl
schoolper
4GL h4per
4GL h4f
1. .
- START REPORT OUTPUT TO REPORT FINISH REPORT
REPORT
2. .
.
:
4GL h4r
schoolr
1. INFORMIX
2. INFORMIX UNIX.
3. 4GL.
4. 4GL.
1. INFORMIX.
2. INFORMIX.
3. ESQL/C, CISAM, QuickStep.
4. HELP INFORMIX RK.
5. 4GL.
6. 4GL. .
INFORMIX UNIX 88.
.
Last-modified: Wed, 17 Apr 1996 04:41:34 GMT