Oracle SQL Plus The Definitive Guide- P57 pdf

< previous page page_491 next page > Page 491 SET SCAN command, 413 SET SERVEROUTPUT command, 390 SET SHOWMODE command, 392 SET SQLBLANKLINES command, 398 SET SQLNUMBER command, 401 SET SQLTERMINATOR command, 402 SET TAB command, 381 SET TERMOUT command, 393 SET TIME command, 394 SET TIMING command, 416 SET TRIMOUT command, 381 SET TRIMSPOOL command, 382 SET TRUNCATE command, 382 SET UNDERLINE command, 383 SET VERIFY command, 394 SET WRAP command, 384 SPOOL command, 83, 461 TITTLE command, 74, 465 OLD_V[ALUE] clause (COLUMN command), 70, 97, 439 Oldest online log sequence value, 340, 349 ON clause (COMPUTE), 101-102 ON parameter ATTRIBUTE command, 114, 431 BTITLE command, 77, 433 COLUMN command, 70, 439 REPFOOTER command, 453 SET APPINO command, 404 SET AUTOCOMMIT command, 406 SET AUTOPRINT command, 387 SET AUTORECOVERY command, 416 SET AUTOTRACE command, 415 SET CMDSEP command, 398 SET CONCAT command, 411 SET COPYTYPECHECK command, 417 SET DEFINE command, 411 SET ECHO command, 388 SET EMBEDDED, 370 SET ESCAPE command, 412 SET FEEDBACK command, 389 SET FLUSH command, 410 SET HEADING command, 373 SET PAUSE command, 389 SET SCAN command, 413 SET SERVEROUTPUT command, 390 SET SHOWMODE command, 392 SET SQLBLANKLINES command, 398 SET SQLNUMBER command, 401 SET SQLTERMINATOR command, 402 SET TAB command, 381 SET TERMOUT command, 393 SET TIME command, 394 SET TIMING command, 416 SET TRIMOUT command, 381 SET TRIMSPOOL command, 382 SET TRUNCATE command, 382 SET UNDERLINE command, 383 SET VERIFY command, 394 SET WRAP command, 384 TTITLE command, 74, 465 OPEN parameter (STARTUP), 463 OPEN state, 332 OPEN_CURSOR procedure (DMBS_SQL), 260 operating system authentication, 19 connecting using, 25 operating systems, xviii allowing output buffers, 409 errors, 274-276, 468 setting environment variables, 360-363 operational settings, 403-410 operational states of databases, 331 optimizer, 277 optimizer goal hints, 302 OPTIONALLY ENCLOSED BY clause (SQL*Loader), 170 Oracle BIN directory, 63 Oracle databases (see databases) Oracle version, specifying, 407 ORDER BY clause BREAK command with, 90 union output, 120 ORDERED hint, 305 OSERROR parameter (WHENEVER), 271, 274-276, 468 OUT parameter SPOOL command, 461 OUT parameter (SPOOL command), 83 output from PL/SQL execution, 37, 390 output, scripts allowing operating system buffers, 409 displaying case, 380 echoing commands, turning off, 138, 387 multiline comments, 152 explaining with PROMPT commands, 136 < previous page page_491 next page > < previous page page_492 next page > Page 492 output, scripts (continued) pausing between pages, 389 prompt text, customizing, 135-137 settings for, 368-385 suppressing from display feedback, 138, 164 prompting for values and, 127, 132 verification, 137, 394 trailing spaces, suppressing, 164, 381 types of output files, 156-157 wrapping lines, 37, 384, 473 output sorting (see ORDER BY clause) OWNER column ALL_CONS_COLUMNS view, 187 ALL_CONSTRAINTS view, 186, 202 ALL_INDEXES view, 188 ALL_SYNONYMS view, 192 ALL_TAB_COLUMNS view, 185 ALL_TABLES view, 183 ALL_TRIGGERS view, 190 P packages bind variables with, 238-240 viewing information about, 178 packaging scripts, 139-143 page breaks in reports, 86, 88-89, 431 page headers and footers (reports), 74-80, 432, 465 current date in, 106-108 embedded reports and, 371 user variables, 94, 97 pages, report (see reports) PAGES[IZE] setting, 81-83, 377 spooling data to files, 164 paging though output, 389 parallel execution hints, 307 PARALLEL hint, 307 PARALLEL parameter RECOVER command, 452 STARTUP command, 463 parallel processing, 307 PARALLEL_INDEX hint, 307 PARAMETER[S] parameter (SHOW), 338, 419, 459 PARSE procedure (DBMS_SQL), 261 parsing user input, 269-270 PARTITION operation (EXPLAIN PLAN), 291 PARTITIONED column ALL_INDEXES view, 189 ALL_TABLES view, 184 PASSW[ORD] command, 27, 448 password file, 327 passwords, changing, 27, 448 PAU[SE] command, 449 PAU[SE] setting, 389 pausing between output pages, 389 PCT_FREE column ALL_INDEXES view, 188 ALL_TABLES view, 183 PCT_INCREASE column ALL_INDEXES view, 188 ALL_TABLES view, 183 PCT_THRESHOLD column (ALL_INDEXES), 188 PCT_USED column (ALL_TABLES), 183 performance AUTOTRACE setting, 292-297 dynamic performance views, 293 EXPLAIN PLAN command, 277, 283-292 creating plan table, 284 judging results, 298 syntax for, 285 understanding execution plans, 286-292 improving, 297-308 SET LONGC[HUNKSIZE] command, 414 timers, 277-283 tuning settings, 414-416 period (.) concatenation character, 149-150 terminating PL/SQL blocks, 39 PFILE clause (STARTUP), 333, 462 plan table, 283-285 interpreting, 286-292 platforms, xviii operating system errors, 274-276, 468 setting environment variables, 360-363 PL/SQL, 4-5, 35-39 blocks, 36 execution errors, 271-274, 468 syntax for, 38 terminators for, 396 branching, 252-254 command help, 28 error handling, 271 < previous page page_492 next page > < previous page page_493 next page > Page 493 executing blocks, 36-39 output from, 37, 390 single PL/SQL commands, 39, 445 looping, 259-262 product user profile limitations, 313 timing execution (see timers) PL/SQL mode, 38 PLUS23 command, 24 PLUS80 command, 24-25 PLUS80 environment variable, 366 PLUS80W command, 25 PLUS_DFLT environment variable, 367 PLUSTRACE role, 294 PLUSTRCE.SQL script, 293 PNO parameter (SHOW), 419, 459 point-in-time recovery, 344 POSITION column (ALL_CONS_COLUMNS), 187, 201 position specification (SQL*Loader), 171 prefix character, 401 prefix character for substitution variables, 411-412 primary key constraints, 201 columns specified in, 187, 200 PRI[NT] command, 233-237, 449 PRI[NT] parameter (COLUMN command), 70, 439 printing computed values in reports, 99 reports, 83-86, 461 lines per page, 81-82 (see also reports) subtotals and grand totals, 99-106 printing variables, 233-238 CLOB datatype, 235-236 REFCURSOR datatype, 236-237 printspecs, 76 private synonyms, 218 PRIVILEGE column ALL_COL_PRIVS view, 193 ALL_TAB_VIEWS view, 193 privileges, 222-225 ALL_TAB_PRIVS view, 192, 222 loading sample database for book, 13 PRO80 environment variable, 366 procedures bind variables with, 238-240 viewing information about, 177 product user profile, 23, 309-325 commands that can be disabled, 318 creating profile table, 316-318 disabling commands access, 318-320 disabling roles access, 320-321 limitations, 313-316 reporting on, 322-325 PRODUCT_PRIVS view, 310-311 PRODUCT_PROFILE table, 309-310 creating, 316-318 . 390 single PL /SQL commands, 39, 445 looping, 259-262 product user profile limitations, 313 timing execution (see timers) PL /SQL mode, 38 PLUS2 3 command, 24 PLUS8 0 command, 24-25 PLUS8 0 environment. 24 PLUS8 0 command, 24-25 PLUS8 0 environment variable, 366 PLUS8 0W command, 25 PLUS_ DFLT environment variable, 367 PLUSTRACE role, 294 PLUSTRCE .SQL script, 293 PNO parameter (SHOW), 419, 459 point-in-time. 277 optimizer goal hints, 302 OPTIONALLY ENCLOSED BY clause (SQL* Loader), 170 Oracle BIN directory, 63 Oracle databases (see databases) Oracle version, specifying, 407 ORDER BY clause BREAK command