Index_R

R

RANK() function, 216 “221, 234

with CUBE operator, 220 “221

with GROUPING SETS operator, 221

with ROLLUP operator, 219 “220

ranking functions, 214, 216 “223

RATIO_TO_REPORT() function, 229 “231

RAW data type, 470 “471, 554

READ COMMITTED transaction isolation level, 265

READ ONLY constraint, 324 “326

READ UNCOMMITTED transaction isolation level,  265

READ() function, 436 “439

exceptions thrown by, 437

versions of, 436

read_blob_example() procedure, 438 “439

read_clob_example() procedure, 438 “439

REAL data type, 553

RECORD data type, 556

REF columns , 372, 378 “379

REF CURSOR data type, 356 “357, 541, 556

REF data type, 372, 555

REF() function, 378 “379

REGEXP_INSTR() function, 87 “88

REGEXP_LIKE() function, 86 “87

REGEXP_REPLACE() function, 88

REGEXP_SUBSTR() function, 88

RegisterDriver() metacharacters, 481

registering (binding) data sources, 484

regular expression functions, 83 “88

regular expression metacharacters, 83 “85

relational database, 2 “3, 26

Relational Model of Data for Large Shared Data Banks, 2

Relational Software Inc., 3

RENAME statement, 307

REPEAT READ transaction isolation level, 265

REPLACE() function, 69 “70

report groupings, reorganizing, 212

reporting functions, 214, 229 “231

reporting on a sum, 229 “230

reports

adding a header and footer, 160 “161

computing subtotals in, 161 “162

creating simple, 158 “162

using variables in, 158 “160

result sets, 29

ResultSet object (Java), 487, 522 “523

closing, 491

creating and populating, 488

reading column values from, 488 “491

RETURN SELF AS RESULT clause, 385

RETURNING clause, 252

REVERSE clause, 337

REVOKE ALL command, 291

REVOKE command, 277, 284 “285, 291

RIGHT OUTER JOIN keywords, 58

right outer joins, 51

example of, 52 “53

using SQL/92, 58

roles, 285 “291

benefits of, 285

changing the default, 290 “291

checking object privileges granted to, 288 “289

checking system privileges granted to, 287 “288

creating, 285

disabling by default, 290

dropping, 291

explained, 285

granting privileges to, 285 “286

granting to a user , 286

revoking, 291

revoking privileges from, 291

that have passwords, 290

roles granted to a user, checking, 286 “287

role_sys_privs table, 287 “288

role_tab_privs table, 288 “289

ROLLBACK statement, 22, 26, 253, 259 “260, 349

rollback() method, 497

rolling back changes to a savepoint, 260 “262

ROLLUP clause, 201, 203 “214

aggregate functions with, 205

with analytic functions, 219 “220

GROUPING() function with, 207 “208

passing multiple columns to, 204

passing a single column to, 203 “204

repositioning columns passed to, 204 “205

root node, 195

ROUND() function, 75, 118 “119

row filtering

using HAVING, 212, 534 “535

using a WHERE clause, 37 “43, 97, 534 “535

row locks, 264

row in parent table with child rows, deleting, 254 “255

ROWID class (oracle.sql), 519

ROWID data type, 30, 555

rowids (row identifiers), 29 “30

row-level triggers, 359, 361

ROW_NUMBER() function, 222 “223

rows

adding and retrieving from nested tables, 405

adding to a table, 20 “21, 314

adding using INSERT, 248 “250

adding using JDBC, 491 “492

checking for existence of, 537

copying from one table to another, 250

defined, 2, 26

deleting in the object_products table, 376

deleting from the products table, 374

deleting using JDBC, 493

displaying distinct, 36 “37

duplicate, 184, 213 “214, 535, 537

getting the first, 228 “229

getting the last, 228 “229

getting subtotaled, 210

grouping, 93 “99

inserting into object_customers table, 377

inserting into object_products table, 375

inserting into products table, 372 “373

inserting into purchases table, 378 “379

merging using MERGE, 256 “258

modifying, 21 “22

modifying using JDBC, 492 “493

modifying using the UPDATE statement, 250 “252

removing from tables, 22, 252 “253

retrieving, 314

retrieving all including duplicates, 184

retrieving all nonduplicate, 185 “186

retrieving those common to two tables, 186

retrieving using Java, 487 “491

retrieving from varrays, 403

selecting from object_customers table, 377 “378

selecting from object_products table, 375 “376

selecting from products table, 373 “374

selecting from purchases table, 379

sorting using the ORDER BY clause, 43 “44

updating in the object_products table, 376

updating in the products table, 374

updating in the purchases table, 379 “380

RPAD() function, 68

RTRIM() function, 68

rule-based optimization, 542, 547

RULES UPDATE, 243 “244

RUN command, 144