Oracle Database 10g SQL (Osborne ORACLE Press Series)
W
wasNull() method (Java), 495
week, datetime formatting parameters for, 106
WHEN clause (EXCEPTION block), 345
WHEN MATCHED THEN clause (MERGE statement), 258
WHEN NOT MATCHED clause (MERGE statement), 258
WHERE clause (SELECT statement), 147, 200 “201, 328
comparison operators in, 37 “39
equality operator (=) in, 37, 167
filtering rows using, 37 “43
vs. HAVING, 534 “535
subqueries in, 166 “168
using with AVG(), 93
using to filter rows, 97, 530 “531
using with GROUP BY, 98
using with GROUP BY and HAVING, 98 “99
using with table joins, 45 “46
WHILE loops , 336
wildcard characters , 40
window functions, 214, 223 “229
Windows
backslash character (\) for directories, 10, 433
CLASSPATH for, 479
environment variables for Java, 477
WITH ADMIN OPTION, 285
WITH CHECK OPTION, 323
WITH GRANT OPTION, 278
Word documents, stored as LOBs, 428
wrapper classes, 496
Wrapper object, 495
WRITE() function, 439 “441
WRITEAPPEND() function, 469
write_example() procedure, 440