Application Programming and SQL Guide - Kmlinux

More documents

Recommendations

Info

DB2 ® DB2 Universal Database for z/OS Version 8 Application Programming and SQL Guide �� SC18-7415-02
Page 1: DB2 ® DB2 Universal Database for z
Page 5 and 6: | | | | | | Contents About this boo
Page 7 and 8: | | | | | | | | | Using the SQL com
Page 9 and 10: | | | | | | | | | | | | | | | | # D
Page 11 and 12: | | | LOB lock and LOB table space
Page 13 and 14: # | | | Flexibility of dynamic SQL
Page 15 and 16: | | | | | | | | Column correlation
Page 17 and 18: | | Several tasks . . . . . . . . .
Page 19 and 20: | CICS . . . . . . . . . . . . . .
Page 21 and 22: About this book Who should read thi
Page 23 and 24: Accessibility ►► required_item
Page 25 and 26: | | | | | | | | | | | | | | | | | |
Page 27 and 28: | | | | | | | Part 1. Using SQL que
Page 29 and 30: Chapter 1. Retrieving data Result t
Page 31 and 32: Table 1. Compatibility of data type
Page 33 and 34: With a single SELECT statement, you
Page 35 and 36: | | | | | | | | If a search conditi
Page 37 and 38: | | | # # # # # # Summarizing group
Page 39 and 40: Merging lists of values: UNION Usin
Page 41 and 42: | | | | | | | | | | | | | | | | | |
Page 43 and 44: | | | | v DEC31 rules allow a maxim
Page 45 and 46: | Chapter 2. Working with tables an
Page 47 and 48: | | | | | | | | For information abo
Page 49 and 50: | | Example: Suppose that you creat
Page 51 and 52: ows to be deleted from the table at
Page 53 and 54:
| | | | | v Views that you can use
Page 55 and 56:
INSERT INTO YEMP (EMPNO, FIRSTNME,
Page 57 and 58:
| | | | | | | | | | | | | | | | | |
Page 59 and 60:
| | | | | | | | | | | | | | | | | |
Page 61 and 62:
| | | | | | | | | | | | | | | | | |
Page 63 and 64:
If DB2 finds an error while executi
Page 65 and 66:
Chapter 3. Joining data from more t
Page 67 and 68:
Full outer join SELECT PART, SUPPLI
Page 69 and 70:
Right outer join The result table l
Page 71 and 72:
Using more than one join in an SQL
Page 73 and 74:
PROD# PRODUCT ===== =========== 505
Page 75 and 76:
Chapter 4. Using subqueries Concept
Page 77 and 78:
SELECT EMPNO, LASTNAME FROM DSN8810
Page 79 and 80:
use the keyword EXISTS, DB2 simply
Page 81 and 82:
You can define a correlation name f
Page 83 and 84:
| | DELETE FROM DSN8810.DEPT THIS W
Page 85 and 86:
Chapter 5. Using SPUFI to execute S
Page 87 and 88:
# | | # # # # # DSNESP02 CURRENT SP
Page 89 and 90:
| | | | | | | | | | On the panel, u
Page 91 and 92:
# # # # # # # # # # # # Processing
Page 93 and 94:
Browsing the output SPUFI formats a
Page 95 and 96:
| | | | | | | | | | | | | | | | | P
Page 97 and 98:
| | | | Embedding SQL statements .
Page 99 and 100:
Chapter 6. Basics of coding SQL in
Page 101 and 102:
| | Declaring table and view defini
Page 103 and 104:
v “Inserting data from column val
Page 105 and 106:
| | | | | | | | | | | Example: Upda
Page 107 and 108:
| | | | | | | | | | | | | | | | | |
Page 109 and 110:
| | | | | | | | | | | | | | | | | |
Page 111 and 112:
# # # # # # # # # # # # # # # # # #
Page 113 and 114:
| | | | | | | Because this example
Page 115 and 116:
| | | | | | | | | EXEC SQL WHENEVER
Page 117 and 118:
| | | | | | | | | | | | | | | | | |
Page 119 and 120:
| Table 4. Data types for GET DIAGN
Page 121 and 122:
You can find the programming langua
Page 123 and 124:
You use the statement WHENEVER SQLE
Page 125 and 126:
| | | | | | | | | | | | | | | Chapt
Page 127 and 128:
FROM DSN8810.PROJ Y WHERE X.EMPNO=Y
Page 129 and 130:
| | | | | | | | | | | | | Using pos
Page 131 and 132:
| | | | | | | | | | | | | | | | | |
Page 133 and 134:
| | | | | | | | | | | | | | | | | |
Page 135 and 136:
| | | | | | | | | | | | | | | | | |
Page 137 and 138:
| | | | | | | | | | | | | | | | | |
Page 139 and 140:
| | | | | | | | | | | | Retrieving
Page 141 and 142:
| | | | | | | | | | | | | | | | | |
Page 143 and 144:
The searched UPDATE statement creat
Page 145 and 146:
| | | | | | | v A static scrollable
Page 147 and 148:
***********************************
Page 149 and 150:
| | | | | | | | | | | | | | | | | |
Page 151 and 152:
| . *******************************
Page 153 and 154:
Chapter 8. Generating declarations
Page 155 and 156:
| | | | | | corresponds to the colu
Page 157 and 158:
DSNEOP01 DB2I DEFAULTS COMMAND ===>
Page 159 and 160:
DSNEDP01 DCLGEN SSID: DSN ===> DSNE
Page 161 and 162:
Chapter 9. Embedding SQL statements
Page 163 and 164:
| | | | | | Embedding SQL statement
Page 165 and 166:
CICS A CICS application program use
Page 167 and 168:
►► variable-name Graphic host v
Page 169 and 170:
Table 11. SQL data types the precom
Page 171 and 172:
| | | Table 12. SQL data types mapp
Page 173 and 174:
v Datetime data types are compatibl
Page 175 and 176:
See Appendix B, “Sample applicati
Page 177 and 178:
| | Embedding SQL statements You ca
Page 179 and 180:
| | | | | | | | | | | The names of
Page 181 and 182:
| | | | ►► auto extern static
Page 183 and 184:
| | | | ►► auto extern static
Page 185 and 186:
| | | | | | | # # # # # | | | ►
Page 187 and 188:
| | | | | | | | | | | | | | | | | |
Page 189 and 190:
| | | | | | | | | | | | | | | | | |
Page 191 and 192:
| ►► ► ▼ auto extern static
Page 193 and 194:
| Table 13. SQL data types the prec
Page 195 and 196:
Table 14. SQL data types mapped to
Page 197 and 198:
| | | | | | | | | | | Result set lo
Page 199 and 200:
| | | However, you cannot use a FET
Page 201 and 202:
| | | | | Handling SQL error return
Page 203 and 204:
DB2 sets the SQLCODE and SQLSTATE v
Page 205 and 206:
| # # EXEC SQL UPDATE DSN8810.DEPT
Page 207 and 208:
| | | | | | - TRUNC(BIN) if the pre
Page 209 and 210:
|# ►► 01 77 level-1 ► BINARY
Page 211 and 212:
►► ►► ► ►► ► 49 01
Page 213 and 214:
►► ►► ► ►► ► 49 01
Page 215 and 216:
| | | | | | | | | | | | | | | | | |
Page 217 and 218:
| | | | | | | | | | | | | | | | | |
Page 219 and 220:
| | | | | | | | | | | | | | | | | |
Page 221 and 222:
| | | | | | | | | | | | | | | | | |
Page 223 and 224:
|# ►► ► USAGE VALUE IS IS con
Page 225 and 226:
►► ► ►► ► 49 VALUE 49 V
Page 227 and 228:
# # Table 16. SQL data types the pr
Page 229 and 230:
v The NATIONAL data type that is us
Page 231 and 232:
| | | v Character data types are co
Page 233 and 234:
| | | | | ►► ► 01 77 VALUE va
Page 235 and 236:
CICS If you call DSNTIAR dynamicall
Page 237 and 238:
| v DESCRIBE CURSOR host-variable I
Page 239 and 240:
v You cannot use the SQL INCLUDE st
Page 241 and 242:
►► SQL TYPE IS Determining equi
Page 243 and 244:
v An integer or floating-point vari
Page 245 and 246:
| | | | | ►► INTEGER*2 ▼ vari
Page 247 and 248:
| | v DESCRIBE TABLE host-variable
Page 249 and 250:
| | | | | | | | | v If you want a D
Page 251 and 252:
►► ► FIXED DECLARE DCL FLOAT
Page 253 and 254:
| | | | | | | | | | | | | | | | | #
Page 255 and 256:
| | | | | | | | | | | | | | | | | |
Page 257 and 258:
►► , DECLARE DCL ► ▼ level-
Page 259 and 260:
Table 21 shows direct conversions b
Page 261 and 262:
PL/I scoping rules: The precompiler
Page 263 and 264:
| | | | | ►► DECLARE DCL Figure
Page 265 and 266:
CICS If your CICS application requi
Page 267 and 268:
►► Notes: ADDRESS DSNREXX EXECS
Page 269 and 270:
| | | Continuation for SQL statemen
Page 271 and 272:
are listed for each data type are t
Page 273 and 274:
INSQLDA.SQLD = 1 /* SQLDA contains
Page 275 and 276:
To change the isolation level for S
Page 277 and 278:
Chapter 10. Using constraints to ma
Page 279 and 280:
Using referential constraints v The
Page 281 and 282:
A table can have no more than one p
Page 283 and 284:
| | | You can create an index on th
Page 285 and 286:
| | | | | | | | | | | | | | | | | |
Page 287 and 288:
| | | | | | | | | | | | | | | | | |
Page 289 and 290:
| | | | | | | | | | | | | | | | | |
Page 291 and 292:
| | | | | | | | | | | | | | | | | |
Page 293 and 294:
| | | | | | | | | | INSERT INTO ORD
Page 295 and 296:
Chapter 12. Using triggers for acti
Page 297 and 298:
Parts of a trigger Trigger name Sub
Page 299 and 300:
CREATE TRIGGER NEW_HIRE AFTER INSER
Page 301 and 302:
Triggered action When a trigger is
Page 303 and 304:
Because you can include INSERT, DEL
Page 305 and 306:
Ordering of multiple triggers v Tri
Page 307 and 308:
| | | | | | | | | | | | | | | | | |
Page 309 and 310:
1 2 When DB2 executes the positione
Page 311 and 312:
# Part 3. Using DB2 object-relation
Page 313 and 314:
Chapter 13. Introduction to DB2 obj
Page 315 and 316:
| | | | | | | | | | | | | | | | | |
Page 317 and 318:
COLUMN EMP_RESUME; CREATE UNIQUE IN
Page 319 and 320:
# # # # # # # # # form, the LOB hos
Page 321 and 322:
Table 31. Examples of COBOL variabl
Page 323 and 324:
DB2 allocates a certain number of d
Page 325 and 326:
***********************************
Page 327 and 328:
Chapter 15. Creating and using user
Page 329 and 330:
| The user-defined function definer
Page 331 and 332:
| Table 35. Characteristics of a us
Page 333 and 334:
| | | | | | | CREATE FUNCTION FINDS
Page 335 and 336:
Implementing an external user-defin
Page 337 and 338:
Some user-defined functions with ex
Page 339 and 340:
Figure 123. Parameter conventions f
Page 341 and 342:
# | # # # # # # # # # # # definitio
Page 343 and 344:
Table 39. Compatible COBOL declarat
Page 345 and 346:
| | | | | | | | | | Code the user-d
Page 347 and 348:
user-defined function definition. F
Page 349 and 350:
| | | | | | | | | | Otherwise, this
Page 351 and 352:
These examples assume that the user
Page 353 and 354:
. } /******************************
Page 355 and 356:
| #pragma runopts(plist(os)) #inclu
Page 357 and 358:
| | | | | | | | | | | | | | | | | |
Page 359 and 360:
| | | | | | | | | | DCL 01 UDF_DBIN
Page 361 and 362:
| | | Table 41. Characteristics of
Page 363 and 364:
| CREATE FUNCTION COUNTER() RETURNS
Page 365 and 366:
CHECKEMP CSECT SAVE (14,12) ANY SAV
Page 367 and 368:
. . . . . IDENTIFICATION DIVISION.
Page 369 and 370:
| | | | | | | | | | | | | Making a
Page 371 and 372:
Using the Debug Tool interactively:
Page 373 and 374:
Implementing an SQL scalar function
Page 375 and 376:
If two or more candidates fit the u
Page 377 and 378:
| | How DB2 chooses the best fit am
Page 379 and 380:
| | | | | | | | | | | | | | | | | |
Page 381 and 382:
| | | | | | | | | | want to invoke
Page 383 and 384:
COUNTER is a user-defined function
Page 385 and 386:
Chapter 16. Creating and using dist
Page 387 and 388:
| You cannot use host variables in
Page 389 and 390:
| JAPAN_SALES tables. The TOTAL col
Page 391 and 392:
| | | | | You have also defined and
Page 393 and 394:
. /* Extract the subject from the d
Page 395 and 396:
Part 4. Designing a DB2 database ap
Page 397 and 398:
| | | | Maximizing LOB performance
Page 399 and 400:
| | | | | Chapter 17. Planning for
Page 401 and 402:
Figure 139. Program preparation wit
Page 403 and 404:
Binding a plan that includes only a
Page 405 and 406:
Table 43. Changes requiring BIND or
Page 407 and 408:
Rebinding lists of plans and packag
Page 409 and 410:
Whether EXPLAIN runs during automat
Page 411 and 412:
Chapter 18. Planning for concurrenc
Page 413 and 414:
| | Deadlock Example: An applicatio
Page 415 and 416:
IMS If you are using IMS, and a dea
Page 417 and 418:
| | | | | | | | | | | | | | Replace
Page 419 and 420:
| | | | | | | | | | | | | | | | | |
Page 421 and 422:
| | | | | | | | | | | | | Segmented
Page 423 and 424:
| | | | | space locks are sometimes
Page 425 and 426:
The object of a lock Table 46. Comp
Page 427 and 428:
numbers. They can perform several s
Page 429 and 430:
| | | - Acquire an exclusive lock (
Page 431 and 432:
SELECT * FROM T1 WHERE COL1 = (SELE
Page 433 and 434:
Restrictions: You cannot use UR iso
Page 435 and 436:
Restrictions on concurrent access:
Page 437 and 438:
| Application Request row or page T
Page 439 and 440:
| | | | | | | | | | | If your insta
Page 441 and 442:
Access paths Recommendations for us
Page 443 and 444:
# # # LOB locks - To let other user
Page 445 and 446:
the locked LOB. Concurrent processe
Page 447 and 448:
Chapter 19. Planning for recovery D
Page 449 and 450:
v Explicitly by CICS SYNCPOINT comm
Page 451 and 452:
If the program abends, people at te
Page 453 and 454:
v How you want the output messages
Page 455 and 456:
Using ROLL Issuing a ROLL call caus
Page 457 and 458:
Chapter 20. Planning to access dist
Page 459 and 460:
table SYSTABLES to determine whethe
Page 461 and 462:
This example requires DRDA access b
Page 463 and 464:
OPTIONS When you make a remote copy
Page 465 and 466:
After the application obtains a loc
Page 467 and 468:
| | | | | | | | | | | | | | | | | |
Page 469 and 470:
second update is committed, no auto
Page 471 and 472:
| For information about how to writ
Page 473 and 474:
| | | | | | | | | | | | | | | | | |
Page 475 and 476:
- It is not defined with the clause
Page 477 and 478:
The number of rows that DB2 transmi
Page 479 and 480:
Figure 149. Message flows with OPTI
Page 481 and 482:
Working with distributed data Limit
Page 483 and 484:
| | | | | | | | An application prog
Page 485 and 486:
| Part 5. Developing your applicati
Page 487 and 488:
| | | | | | | Chapter 21. Preparing
Page 489 and 490:
| | | | | | | # # # # For assembler
Page 491 and 492:
| | | | | | | | | | listing always
Page 493 and 494:
| | | | | | | | | | | | | | | | | |
Page 495 and 496:
You might need to increase the SIZE
Page 497 and 498:
| | | | | | | Table 63. SQL process
Page 499 and 500:
| | | | | | | | | | | Table 63. SQL
Page 501 and 502:
Table 63. SQL processing options (c
Page 503 and 504:
Table 64. IBM-supplied installation
Page 505 and 506:
CICS (continued) You can run CICS a
Page 507 and 508:
| | | | | | | | You must bind plans
Page 509 and 510:
v When about to run a package, DB2
Page 511 and 512:
| | | | 3. If it does not find COLL
Page 513 and 514:
| Identifying a package version: So
Page 515 and 516:
| | Table 68. Definitions of dynami
Page 517 and 518:
You can also use CURRENT RULES in h
Page 519 and 520:
CICS (continued) Sequence of SQL St
Page 521 and 522:
The PARMS keyword of the RUN subcom
Page 523 and 524:
CICS To run a program First, ensure
Page 525 and 526:
IMS //LKED.SYSIN DD * INCLUDE SYSLI
Page 527 and 528:
An alternative method for preparing
Page 529 and 530:
| | | | | Using JCL to prepare a pr
Page 531 and 532:
| | | | | | | | | | | | | | | | | |
Page 533 and 534:
Chapter 22. Testing an application
Page 535 and 536:
ind and run programs you want to te
Page 537 and 538:
When your program encounters an err
Page 539 and 540:
You can use the SYNCPOINT command t
Page 541 and 542:
TRANSACTION: XC05 PROGRAM: TESTC05
Page 543 and 544:
- Have you specified all the DBRMs
Page 545 and 546:
DB2 SQL PRECOMPILER Version 8 OPTIO
Page 547 and 548:
Notes for Figure 158: DATA NAMES Id
Page 549 and 550:
Chapter 23. Processing DL/I batch a
Page 551 and 552:
SQL statements and IMS calls You ca
Page 553 and 554:
program can only connect to one DB2
Page 555 and 556:
Link-editing name is not in the RTT
Page 557 and 558:
ISOCS04 JOB 3000,ISOIR,MSGLEVEL=(1,
Page 559 and 560:
# | | | Part 6. Additional programm
Page 561 and 562:
| | | | | Sample programs to help y
Page 563 and 564:
| | Retrieving rows for a plan . .
Page 565 and 566:
Program preparation . . . . . . . .
Page 567 and 568:
| | | | | | | | | | # # # # # # # #
Page 569 and 570:
Chapter 24. Coding dynamic SQL in a
Page 571 and 572:
| | | | | | | | | | 5. Processes th
Page 573 and 574:
| | | | | | | | | | | | | | | HOLD
Page 575 and 576:
| | # # # # # # # # # # # # # # # #
Page 577 and 578:
Handling implicit prepare errors: I
Page 579 and 580:
Using predictive governing and enab
Page 581 and 582:
| | | | | | | | | | | | | | | | | |
Page 583 and 584:
| | | | | | | | | | Using the EXECU
Page 585 and 586:
| | | | | | | | | | | | | | | | | |
Page 587 and 588:
The preceding two steps are exactly
Page 589 and 590:
Those first two steps are exactly t
Page 591 and 592:
Preparing the statement using the m
Page 593 and 594:
or distinct type column, the corres
Page 595 and 596:
hold values from that column. Simil
Page 597 and 598:
Describing tables with LOB and dist
Page 599 and 600:
EXEC SQL FETCH C1 USING DESCRIPTOR
Page 601 and 602:
| | | | | | | | | | | | | | | | | |
Page 603 and 604:
Chapter 25. Using stored procedures
Page 605 and 606:
1. Receives a set of parameters con
Page 607 and 608:
| 3. The SQL statement CALL tells t
Page 609 and 610:
| See Part 3 of DB2 Administration
Page 611 and 612:
| | Subsystem code page A 48-byte s
Page 613 and 614:
| v It is part of the WLM applicati
Page 615 and 616:
Member DSNTIJMV of data set DSN810.
Page 617 and 618:
v A reentrant stored procedure does
Page 619 and 620:
***********************************
Page 621 and 622:
| | | | | | | | | A ROLLBACK statem
Page 623 and 624:
| | Table 77. Characteristics of sp
Page 625 and 626:
v The client supports the DRDA code
Page 627 and 628:
Preparing a stored procedure to run
Page 629 and 630:
Figure 180 shows the definition of
Page 631 and 632:
***********************************
Page 633 and 634:
stored procedure by executing the A
Page 635 and 636:
| | | | | | | | | | | | | valid if
Page 637 and 638:
| | | | | | | | | | | | | | | Handl
Page 639 and 640:
| | | | | | | | | | | | | | | | | |
Page 641 and 642:
| | | | | ELSE SET divide_result =
Page 643 and 644:
CREATE PROCEDURE CREATEDEPTTABLE (I
Page 645 and 646:
| | | | | | | | | | | | | | | | | |
Page 647 and 648:
| | | | | | | | | | | | | | | | | |
Page 649 and 650:
| | | | | | | | | | | | | | | | | |
Page 651 and 652:
| | | | | | | | | | | | | | | | | |
Page 653 and 654:
| | | | | | | | | | | | | | | | | |
Page 655 and 656:
| | Table 82. SQL procedure samples
Page 657 and 658:
technique, the defined encoding sch
Page 659 and 660:
| | | | | | | | | | | Figure 188 sh
Page 661 and 662:
Figure 190 shows how a stored proce
Page 663 and 664:
CBL RENT IDENTIFICATION DIVISION. *
Page 665 and 666:
***********************************
Page 667 and 668:
CBL RENT IDENTIFICATION DIVISION. *
Page 669 and 670:
| | | | IN V1 INT, OUT V2 CHAR(9) T
Page 671 and 672:
| #pragma runopts(plist(os)) #inclu
Page 673 and 674:
| | #pragma linkage(myproc,fetchabl
Page 675 and 676:
| | | | | | | | | | | | | | | | | |
Page 677 and 678:
| | #ifdef MVS #pragma runopts(PLIS
Page 679 and 680:
| Table 84. Compatible assembler la
Page 681 and 682:
Table 86. Compatible COBOL declarat
Page 683 and 684:
The first alternative is simpler to
Page 685 and 686:
more complete example of a C langua
Page 687 and 688:
***********************************
Page 689 and 690:
Table 88. Parameter formats for a C
Page 691 and 692:
***********************************
Page 693 and 694:
| | | | | | Running a stored proced
Page 695 and 696:
- Use the CALL procedure-name form
Page 697 and 698:
| | | | | | | | | | stored procedur
Page 699 and 700:
Debugging with the Debug Tool and I
Page 701 and 702:
Debug Tool is invoked. The most con
Page 703 and 704:
Using SQL INSERT statements You can
Page 705 and 706:
| | | | Chapter 26. Tuning your que
Page 707 and 708:
| | | The predicate in subquery 1 (
Page 709 and 710:
| | | | | | Does the query contain
Page 711 and 712:
| | | | | | | | | | | | | | | | | |
Page 713 and 714:
| | | | | For more information abou
Page 715 and 716:
| | | | | |# | | | # # # # # Table
Page 717 and 718:
| | | | | | | | | | | | | | | | | |
Page 719 and 720:
| | | | Examples of predicate prope
Page 721 and 722:
| | | | Table 92. DB2 default filte
Page 723 and 724:
| | | | | | | | | Table 94. Default
Page 725 and 726:
| | | | | | | | | | | | | | | | | |
Page 727 and 728:
Column correlation on the best matc
Page 729 and 730:
Example: RUNSTATS collects statisti
Page 731 and 732:
| | | | | | SELECT * FROM V1 WHERE
Page 733 and 734:
| | | | | | | | | | | | | | | | | |
Page 735 and 736:
| | | | | | | | | | | | | | | | | |
Page 737 and 738:
EXEC SQL SELECT * FROM DSN8810.EMP
Page 739 and 740:
Writing efficient subqueries AND A.
Page 741 and 742:
| | | What DB2 does: When the curso
Page 743 and 744:
For a statement with multiple subqu
Page 745 and 746:
| | | | | | | | | | | | | | | | | |
Page 747 and 748:
| | | | | | | | | | | | | | | | | |
Page 749 and 750:
| | | | | | | | When both the FETCH
Page 751 and 752:
| | | | | | | | | | | | | | | | | |
Page 753 and 754:
CREATE TABLE PART_HISTORY ( PART_TY
Page 755 and 756:
v If you do not have information ab
Page 757 and 758:
| | | | | | | | Rearranging the ord
Page 759 and 760:
| | | | | | | | | | | | | | | | | f
Page 761 and 762:
Chapter 27. Using EXPLAIN to improv
Page 763 and 764:
| | DB2 sample library, under the m
Page 765 and 766:
| | | | | | | | | | | | | Your plan
Page 767 and 768:
| | | Table 99. Descriptions of col
Page 769 and 770:
| Table 99. Descriptions of columns
Page 771 and 772:
| | | You can execute EXPLAIN eithe
Page 773 and 774:
ACCESSCREATOR and ACCESSNAME identi
Page 775 and 776:
When an SQL application uses index-
Page 777 and 778:
Example: Coding with row IDs for di
Page 779 and 780:
| | 6000 and 8000 appear in partiti
Page 781 and 782:
| | | | | | | | | | | | | | | | | |
Page 783 and 784:
Matching index scan (MATCHCOLS>0) I
Page 785 and 786:
as an extension to list prefetch wi
Page 787 and 788:
| | | | | Unique Index1: (C1, C2) U
Page 789 and 790:
Two kinds of joins differ in what t
Page 791 and 792:
| | v No join columns exist. Hybrid
Page 793 and 794:
- A new matching outer row. DB2 the
Page 795 and 796:
▌3▐ Sorts the data in the outer
Page 797 and 798:
| | | | | You can create even more
Page 799 and 800:
| | | | | | | | Table 116. Plan tab
Page 801 and 802:
| | | | | | | | | | | | | | | | | |
Page 803 and 804:
| | | | | | | | | | Table 119. The
Page 805 and 806:
When sequential detection is used D
Page 807 and 808:
Sorts of RIDs The performance of th
Page 809 and 810:
Materialization Views and table exp
Page 811 and 812:
| v When the view is the operand in
Page 813 and 814:
FROM WEEK1 WHERE DATE BETWEEN ’01
Page 815 and 816:
| | | | | | | | | | | | 3. “Retri
Page 817 and 818:
Populating and maintaining a statem
Page 819 and 820:
Chapter 28. Parallel operations and
Page 821 and 822:
CP task 1: I/O: CP task 2: I/O: CP
Page 823 and 824:
| | | | | | When parallelism is not
Page 825 and 826:
| | | | | | | | | | | | Table 127.
Page 827 and 828:
Locking considerations for repeatab
Page 829 and 830:
Chapter 29. Programming for the Int
Page 831 and 832:
If you want to use ISPLINK, then ca
Page 833 and 834:
Chapter 30. Programming for the cal
Page 835 and 836:
CAF requirements When you write pro
Page 837 and 838:
Figure 223. Sample call attachment
Page 839 and 840:
Different types of implicit connect
Page 841 and 842:
commit point. If a connected task a
Page 843 and 844:
Terminating at this point provides
Page 845 and 846:
eascode A 4-byte area in which CAF
Page 847 and 848:
Table 134. Examples of CAF CONNECT
Page 849 and 850:
Table 135. Examples of CAF OPEN cal
Page 851 and 852:
DSNALI DISCONNECT function ►► C
Page 853 and 854:
Table 138. Examples of CAF TRANSLAT
Page 855 and 856:
A single task with explicit connect
Page 857 and 858:
Table 140. CAF return codes and rea
Page 859 and 860:
****************************** CONN
Page 861 and 862:
***********************************
Page 863 and 864:
DSNALI as DSNHLI. DSNALI uses 31-bi
Page 865 and 866:
| | | Chapter 31. Programming for t
Page 867 and 868:
Use of LOAD RRSAF uses z/OS SVC LOA
Page 869 and 870:
| | | | | | | | | | | | | | | | | |
Page 871 and 872:
Application LOAD DSNRLI LOAD DSNWLI
Page 873 and 874:
Connection name and connection type
Page 875 and 876:
| | | | | | | | | | | | | | | | | |
Page 877 and 878:
function An 18-byte area containing
Page 879 and 880:
Table 145. Examples of RRSAF IDENTI
Page 881 and 882:
Execute SQL on subsystem 23 SWITCH
Page 883 and 884:
| | This field is optional. If spec
Page 885 and 886:
| | | DSNRLI AUTH SIGNON function
Page 887 and 888:
exists, the thread becomes part of
Page 889 and 890:
| | | | user A 16-byte area that co
Page 891 and 892:
Table 150. Examples of RRSAF CONTEX
Page 893 and 894:
| | | | | | | | | | | | | | | | | |
Page 895 and 896:
| | | | | function An 18-byte area
Page 897 and 898:
TERMINATE THREAD: Syntax and usage
Page 899 and 900:
If the application allocated a plan
Page 901 and 902:
Example of a single task This examp
Page 903 and 904:
Table 157. RRSAF return codes Retur
Page 905 and 906:
***************************** IDENT
Page 907 and 908:
| | | | Chapter 32. CICS-specific p
Page 909 and 910:
| | | | | | | | | | | | | | | | | |
Page 911 and 912:
| | | | | | | | | | | | | | | | | |
Page 913 and 914:
| | | | | | | | | | | | | | | | | |
Page 915 and 916:
| | | | | | | | | | | | | | | | | |
Page 917 and 918:
| | | | | | | | | | | | | | | | | |
Page 919 and 920:
| | | | | | | | | | | | | | | | | |
Page 921 and 922:
# # # # # # # # # # # # # # # # # #
Page 923 and 924:
# # # # # # # # # # # # # # # # # #
Page 925 and 926:
# # # # # # # # # # # # # # # # # #
Page 927 and 928:
# # # # # # # # # # # # # # # # # #
Page 929 and 930:
# # # # # # # # # # # # # # the que
Page 931 and 932:
| | Chapter 34. Programming techniq
Page 933 and 934:
while(SQLCODE==0) { EXEC SQL FETCH
Page 935 and 936:
Retrieving thousands of rows Using
Page 937 and 938:
Answer: Your program can dynamicall
Page 939 and 940:
Part 7. Appendixes © Copyright IBM
Page 941 and 942:
Appendix A. DB2 sample tables Most
Page 943 and 944:
Table 163. Columns of the departmen
Page 945 and 946:
Table 166. Columns of the employee
Page 947 and 948:
The table is a parent table of: v T
Page 949 and 950:
Table 173 shows the content of the
Page 951 and 952:
| | | | | | | | | | | | | | | | | |
Page 953 and 954:
Table 180. Views on sample tables (
Page 955 and 956:
CREATE VIEW DSN8810.VEMPDPT1 (DEPTN
Page 957 and 958:
CREATE VIEW DSN8810.VSTAFAC2 (PROJN
Page 959 and 960:
Table spaces The following table sp
Page 961 and 962:
Appendix B. Sample applications Typ
Page 963 and 964:
The programs that create and popula
Page 965 and 966:
Table 182. Sample DB2 applications
Page 967 and 968:
| | | | | | | | | | Appendix C. Run
Page 969 and 970:
| | | | # # # # # # # # # # # deter
Page 971 and 972:
| | | | //UNLOAD EXEC PGM=IKJEFT01,
Page 973 and 974:
| | | | | | in this data set. DSNTI
Page 975 and 976:
# # # # # # # # # | | | | | | | | |
Page 977 and 978:
Appendix D. Programming examples Th
Page 979 and 980:
* ENTRY POINT = DSN8BCU1 * * PURPOS
Page 981 and 982:
* OUTPUT = SYMBOLIC LABEL/NAME = SY
Page 983 and 984:
* FD SYSREC01 RECORD CONTAINS 5 TO
Page 985 and 986:
***********************************
Page 987 and 988:
***********************************
Page 989 and 990:
***********************************
Page 991 and 992:
* Logic specification: */ /* */ /*
Page 993 and 994:
Sample DB2 REXX application /******
Page 995 and 996:
Edit data set The data set from whi
Page 997 and 998:
* REXX ****************************
Page 999 and 1000:
UPDATE DSN8810.EMP SET -- COLUMN NA
Page 1001 and 1002:
SQLTYPE. = "UNKNOWN TYPE" VCHTYPE =
Page 1003 and 1004:
L = Line.0 + 1; Line.0 = L Line.L =
Page 1005 and 1006:
***********************************
Page 1007 and 1008:
Sample COBOL program using DRDA acc
Page 1009 and 1010:
* FETCH-DELETE-SITE-1. * * Provide
Page 1011 and 1012:
SAL DECIMAL(8,2) NOT NULL, VALCHK D
Page 1013 and 1014:
***********************************
Page 1015 and 1016:
Sample COBOL program using DB2 priv
Page 1017 and 1018:
* UPDATE-ADDRESS. * * Update the ad
Page 1019 and 1020:
PROCEDURE DIVISION. A101-HOUSE-KEEP
Page 1021 and 1022:
Examples of using stored procedures
Page 1023 and 1024:
***********************************
Page 1025 and 1026:
***********************************
Page 1027 and 1028:
***********************************
Page 1029 and 1030:
*PROCESS SYSTEM(MVS); CALPRML: PROC
Page 1031 and 1032:
#pragma runopts(plist(os)) #include
Page 1033 and 1034:
#pragma runopts(plist(os)) #include
Page 1035 and 1036:
This stored procedure is able to re
Page 1037 and 1038:
***********************************
Page 1039 and 1040:
PROCEDURE DIVISION USING PROCNM, SC
Page 1041 and 1042:
| ASUTIME NO LIMIT PARAMETER STYLE
Page 1043 and 1044:
| | | | | | | | | | | | | | | | | |
Page 1045 and 1046:
| | | | | | | | | | | | | | | | | |
Page 1047 and 1048:
| | | | | | | | | Table 194. Result
Page 1049 and 1050:
Appendix F. REBIND subcommands for
Page 1051 and 1052:
SELECT SUBSTR(’REBIND PLAN(’CON
Page 1053 and 1054:
***********************************
Page 1055 and 1056:
Appendix G. Reserved schema names a
Page 1057 and 1058:
ordinary identifiers in names that
Page 1059 and 1060:
| Appendix H. Characteristics of SQ
Page 1061 and 1062:
| Table 196. Actions allowed on SQL
Page 1063 and 1064:
| | Table 197. SQL statements in ex
Page 1065 and 1066:
| | | Table 198. Valid SQL statemen
Page 1067 and 1068:
Table 198. Valid SQL statements in
Page 1069 and 1070:
Appendix I. Program preparation opt
Page 1071 and 1072:
| | | | # # # # # # # # Appendix J.
Page 1073 and 1074:
# # # v In a non-data sharing envir
Page 1075 and 1076:
DSNACICS syntax diagram The followi
Page 1077 and 1078:
first messages. The messages appear
Page 1079 and 1080:
Table 201. Contents of the XPL exit
Page 1081 and 1082:
# # # # # # # # # # # # # # # # # #
Page 1083 and 1084:
# # # # # # # # # # # # # # # # # #
Page 1085 and 1086:
# # # # # # # # # # # # # # # Conne
Page 1087 and 1088:
# Notices This information was deve
Page 1089 and 1090:
Trademarks Product-sensitive Progra
Page 1091 and 1092:
| | Glossary The following terms an
Page 1093 and 1094:
| | | | # # # # # batch message pro
Page 1095 and 1096:
| | | | | | | | # # # # # # # objec
Page 1097 and 1098:
| | | | | | coupling facility. A sp
Page 1099 and 1100:
DBCLOB. Double-byte character large
Page 1101 and 1102:
| | | | | | | | | | | DRDA. Distrib
Page 1103 and 1104:
| | | | # # # # # # # # must have t
Page 1105 and 1106:
| | | | | implied forget. In the pr
Page 1107 and 1108:
session key, a timestamp, and other
Page 1109 and 1110:
| | | | | LUWID. Logical unit of wo
Page 1111 and 1112:
package list. An ordered list of pa
Page 1113 and 1114:
primary group buffer pool. For a du
Page 1115 and 1116:
| | | referential structure. A set
Page 1117 and 1118:
| | | | | | | | | | | | schema. (1)
Page 1119 and 1120:
procedures. In dynamic SQL, the cur
Page 1121 and 1122:
table space set. A set of table spa
Page 1123 and 1124:
unit of recovery identifier (URID).
Page 1125 and 1126:
Bibliography DB2 Universal Database
Page 1127 and 1128:
v DB2 Query Management Facility: Ge
Page 1129 and 1130:
v z/OS Language Environment Debuggi
Page 1131 and 1132:
v z/OS Security Server RACF Auditor
Page 1133 and 1134:
Index Special characters _ (undersc
Page 1135 and 1136:
BIND PLAN subcommand of DSN (contin
Page 1137 and 1138:
COBOL application program (continue
Page 1139 and 1140:
cursor (continued) rowset-positione
Page 1141 and 1142:
distributed data (continued) exampl
Page 1143 and 1144:
error (continued) run 516 ESTAE rou
Page 1145 and 1146:
host variable array (continued) num
Page 1147 and 1148:
lock (continued) benefits 386 class
Page 1149 and 1150:
package (continued) binding (contin
Page 1151 and 1152:
eferential integrity effect on subq
Page 1153 and 1154:
scrollable cursor (continued) sensi
Page 1155 and 1156:
SQL statements (continued) comments
Page 1157 and 1158:
subsystem parameters (continued) MA
Page 1159 and 1160:
user-defined function (UDF) (contin
Page 1161 and 1162:
Readers’ Comments — We’d Like
Page 1164:
�� Program Number: 5625-D
show all

Application Programming and SQL Guide - Kmlinux

Create successful ePaper yourself

Delete template?

Save as template?