Oracle SQL Plus The Definitive Guide- P55 docx

reports, 85

scripts, 61-62

scripts at startup, 25, 140-142

single PL/SQL commands, 39, 445

SQL buffer statements, 51-54

execution plans, 283-292

AUTOTRACE setting, 292-297

creating plan table, 284

improving performance, 297-308

judging results, 298

understanding, 286-292

execution statistics, 295

EXIT clause (WHATEVER), 271, 275

EXIT clause (WHENEVER), 468-469

EXIT command, 26, 445

exiting

SQL*Plus, 26, 445

text editors, 60

EXP[LAIN] parameter (SET AUTOTRACE), 415 EXPLAIN PLAN command, 8, 277, 283-292

creating plan table, 284

judging results, 298

syntax for, 285

understanding execution plans, 286-292 export command (Unix), 360

external text editors, 57-60, 445

extracting data, 155, 158-167

formaluting queries, 158

formatting the data, 159-163

reloading extracted data, 167-174

logging, 173-174

spooling data to files, 163-165

SQL*Plus limitations, 157

user-friendly scripts for, 165-167

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Page 486 F

failure codes, 272, 275

FAILURE option

WHENEVER OSERROR command, 275

WHENEVER SQLERROR command, 272

FAILURE parameter

EXIT command, 446

QUIT command, 450

feedback

settings for, 385-395

turning off, 138, 164

FEED[BACK] setting, 84, 138, 388

spooling data to file, 164

filename extension, default, 403

files

control files, listing, 343

default extension for command files, 403

editing with text editors, 58

generating files of commands, 257-259

initialization file, 343

multilevel file structure, 248-250

password file, 327

recovery of, 353

redo log files, saving, 345-351

saving SQL buffer, 54-57

search path, setting, 366

sending report output to, 83-84

spooling data to, 163-165

SQL*Loader control file, 168-171

startup scripts, 357-360

types of output files, 156-157

working directory, 62-64

FILTER operation (EXPLAIN PLAN), 290

FIRST ROW operation (EXPLAIN PLAN), 290

FIRST_ROWS hint, 302

Fixed Size value (SGA), 337

fixed-width files, 156, 160-162

SQL*Loader control for, 170

FLAGGER setting, 409

FLOAT datatype, 199

FLU[SH] setting, 409

FOLD_A[FTER] parameter (COLUMN command), 69, 438 FOLD_B[EFORE] parameter (COLUMN command), 69, 438 font size for reports, 81

footers and headers

report pages, 74-80, 432, 465

current date in, 106-108

embedded reports and, 371

user variables, 94, 97

reports, 109-111

FOR UPDATE operation (EXPLAIN PLAN), 290

FORCE parameter (STARTUP), 462

foreign key constraints, 202

columns specified in, 187, 200

FOR[MAT] clause

ACCEPT command, 133, 427

ATTRIBUTE command, 114, 430

BTITLE command, 78, 433

COLUMN command, 69, 72, 438

REPHEADER, REPFOOTER commands, 109, 454-455 TTITLE command, 75, 466

FORMAT parameter (SET SERVEROUTPUT), 37

format specifications, 470-477

formatting

columns in reports, 68-73

columns (see COLUMN command)

data, 470-477

data to be extracted, 159-163

dates, 107

LONG column lengths, 414

master/detail reports, 93-97

numbers, 375

object columns (reports), 111-115

PRINT command output, 234

report pages, 81-83

settings for, 368-385

word wrap, 37, 384, 473

formulating queries

designing reports, 67

extracting data, 158

forward slash (/)

executing SQL buffer, 51, 53, 426

terminating PL/SQL blocks, 39

terminating SQL statements, 34

FREELIST_GROUPS column

ALL_INDEXES view, 188

ALL_TABLES view, 183

FREELISTS column

ALL_INDEXES view, 188

ALL_TABLES view, 183

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Page 487 FROM parameter (COPY), 436

full database recovery, 352

FULL hint, 303

FULL parameter (SET FLAGGER), 409

functions

bind variables with, 238-240

viewing information about, 177

G

GENERATED column

ALL_CONSTRAINTS view, 187

ALL_INDEXES view, 190

generating files of commands, 257-259

generating reports (see reports)

GET command, 56, 446

global login file, 358

glogin.sql script (site profile), 357-359

grand totals in reports, 102-106

GRANTABLE column

ALL_COL_PRIVS view, 193

ALL_TAB_VIEWS view, 193

GRANTEE column

ALL_COL_PRIVS view, 193

ALL_TAB_VIEWS view, 193

GRANTOR column

ALL_COL_PRIVS view, 193

ALL_TAB_VIEWS view, 193

grants (see privileges)

GROUP BY clause, BREAK with, 90

GUI version of SQL*Plus, 18

starting, 19-23

H

HASH hint, 303

HASH JOIN operation (EXPLAIN PLAN), 290

hash joins, 306

HASH_AJ hint, 303

headers and footers

report pages, 74-80, 432, 465

current date in, 106-108

embedded reports and, 371

user variables, 94, 97

reports, 109-111

headers, report, 109-111

HEA[DING] clause (COLUMN command), 69, 71, 438 HEA[DING] setting, 372

headings for report columns, 71, 372

line break characters, 372

underline characters, 383

HEADS[EP] setting, 372

help

commenting scripts, 151-154

HELP command, 28-29, 447

HELP MENU command, 28

HELP not accessible message, 28

HIDE parameter (ACCEPT), 133, 428

HIGH_VALUE column (ALL_TAB_COLUMNS), 185 hints, 277, 300-308

access method hints, 303-305

join operation hints, 305

join order hints, 305

optimizer goal hints, 302

parallel execution hints, 307

HO[ST] command, 447

hot database backups, 342-345

hyphens (-) for comments, 153, 425

I

I (INPUT) command, 42, 49-51, 447

IBM's System R, 6

IF statement (see branching)

immediate database shutdown, 336, 460

IMMEDIATE parameter

SET AUTOCOMMIT command, 406

SHUTDOWN command, 336, 460

importing data (see reloading extracted data)

INCLUDE_COLUMN column (ALL_INDEXES), 188 INDEX hint, 303-305

INDEX operation (EXPLAIN PLAN), 291

INDEX_ASC hint, 303

INDEX_COMBINE hint, 303

INDEX_DESC hint, 303

indexes, 207-214

ALL_IND_COLUMNS view, 190, 207

ALL_INDEXES view, 187-190, 207, 211

describing one (example), 208-211

improving performance with, 298

into LONG columns, 413

listing, 207

listing all (example), 211-214

INDEX_FFS hint, 303