Firebird Documentation IndexFirebird 2.5 Language Ref. UpdateReserved words and keywords → Dropped since InterBase 6
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Dropped since InterBase 6

No longer reserved, still keywords
No longer reserved, not keywords

No longer reserved, still keywords

The following words are no longer reserved in Firebird 2.5, but are still recognized as keywords:

ACTION
ACTIVE
AFTER
ASC
ASCENDING
AUTO
BEFORE
CASCADE
COLLATION
COMMITTED
COMPUTED
CONDITIONAL
CONTAINING
CSTRING
DATABASE
DESC
DESCENDING
DESCRIPTOR
DO
DOMAIN
ENTRY_POINT
EXCEPTION
EXIT
FILE
FREE_IT
GEN_ID
GENERATOR
IF
INACTIVE
INPUT_TYPE
ISOLATION
KEY
LENGTH
LEVEL
MANUAL
MODULE_NAME
NAMES
OPTION
OUTPUT_TYPE
OVERFLOW
PAGE
PAGE_SIZE
PAGES
PASSWORD
PRIVILEGES
PROTECTED
READ
RESERV
RESERVING
RESTRICT
RETAIN
ROLE
SCHEMA
SEGMENT
SHADOW
SHARED
SINGULAR
SIZE
SNAPSHOT
SORT
STABILITY
STARTING
STARTS
STATEMENT
STATISTICS
SUB_TYPE
SUSPEND
TRANSACTION
TYPE
UNCOMMITTED
WAIT
WEEKDAY
WORK
WRITE
YEARDAY

No longer reserved, not keywords

The following words are no longer reserved in Firebird 2.5, and not keywords either:

AUTODDL
BASE_NAME
BASED
BASENAME
BLOBEDIT
BUFFER
CACHE
CHECK_POINT_LEN
CHECK_POINT_LENGTH
COMPILETIME
CONTINUE
DB_KEY
DEBUG
DESCRIBE
DISPLAY
ECHO
EDIT
EVENT
EXTERN
FOUND
GOTO
GROUP_COMMIT_
GROUP_COMMIT_WAIT
HELP
IMMEDIATE
INDICATOR
INIT
INPUT
ISQL
LC_MESSAGES
LC_TYPE
LEV
LOG_BUF_SIZE
LOG_BUFFER_SIZE
LOGFILE
MAX_SEGMENT
MAXIMUM
MESSAGE
MINIMUM
NOAUTO
NUM_LOG_BUFFERS
NUM_LOG_BUFS
OUTPUT
PAGELENGTH
PREPARE
PUBLIC
QUIT
RAW_PARTITIONS
RETURN
RUNTIME
SHELL
SHOW
SQLERROR
SQLWARNING
STATIC
TERMINATOR
TRANSLATE
TRANSLATION
VERSION
WAIT_TIME
WHENEVER

Some of these words still have a special meaning in ESQL and/or ISQL.

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Firebird Documentation IndexFirebird 2.5 Language Ref. UpdateReserved words and keywords → Dropped since InterBase 6