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displayed, 104
operators, 104
OPTIONS 'e' considerations, 108
OPTIONS 'f' considerations, 105
OPTIONS 'm' considerations, 110
OPTIONS 'n' considerations, 106
output, 106
reviewing query execution plans, 104
syntax, 104
Expression
character (or string) value, 208
datetime value, 210, 211, 214
description of, 208
interval value, 211, 214
numeric value, 217
Extensions
reserved words, 437
statements, 38
EXTRACT function
examples of, 342
syntax diagram of, 342
F
File options
CREATE INDEX use of, 58
CREATE TABLE use of, 69
Fixed-length character column, 201
FLOAT data type, 206
FLOOR function
examples of, 343
syntax diagram of, 343
FORMAT keyword, 75
FULL join, description of, 147
Functions, ANSI compliant, 38
G
GRANT EXECUTE statement
authorization and availability requirements, 117
examples of, 118
syntax diagram of, 117
GRANT SCHEMA statement
authorization and availability requirements, 120
examples of, 120
GRANT statement
authorization and availability requirements, 116
examples of, 116
privileges, 245
syntax diagram of, 115, 119
H
Histogram tables
UPDATE STATISTICS use of, 176
Histograms
clearing, 175
HOUR function
examples of, 344
syntax diagram of, 344
454
Index
I
Identifiers, 220
IDENTITY columns, 75
IN predicate
examples of, 240
limits, 441
logical equivalent using ANY, 240
operand requirements, 240
syntax diagram of, 239
Index keys, 222
Indexes
CREATE INDEX statement, 58
CREATE VOLATILE INDEX statement, 58
description of, 221
indexes and materialized views, 63
inner equi-join query, definition of, 64
INSERT function
examples of, 345
syntax diagram of, 345
INSERT statement
access options, 123
compatible data types, 124
considerations, 123
examples of, 125
limits, 441
lock modes, 123
ORDER BY clause, 122
query expression within, 122
syntax diagram of, 121
target column list, 121
VALUES specification within, 124
INSERT, self-referencing, 123
INTEGER data type, 206
Interval data type
description of, 204
examples of literals, 228
Interval literals
description of, 226
examples of, 228
Interval value expression
examples of, 214
syntax diagram of, 213
ISNULL function
examples of, 346
syntax diagram of, 346
ISO standards, 443
Isolation levels
READ COMMITTED, 36
READ UNCOMMITTED, 36
REPEATABLE READ, 36
SERIALIZABLE, 31, 36
J
Join
CROSS, 147
FULL, 147
JOIN ON, 147
join predicate, 157
LEFT, 147
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