RDB$GET_CONTEXT
RDB$SET_CONTEXT
ABS
ACOS
ACOSH
ASIN
ASINH
ATAN
ATAN2
ATANH
CEIL
CEILING
COS
COSH
COT
EXP
FLOOR
LN
LOG
LOG10
MOD
PI
POWER
RAND
ROUND
SIGN
SIN
SINH
SQRT
TAN
TANH
TRUNC
ASCII_CHAR
ASCII_VAL
BASE64_DECODE
BASE64_ENCODE
BIT_LENGTH
CHAR_LENGTH
CHARACTER_LENGTH
CRYPT_HASH
HASH
HEX_DECODE
HEX_ENCODE
LEFT
LOWER
LPAD
OCTET_LENGTH
OVERLAY
POSITION
REPLACE
REVERSE
RIGHT
RPAD
SUBSTRING
TRIM
UPPER
DATEADD
DATEDIFF
EXTRACT
FIRST_DAY
LAST_DAY
CAST
BIN_AND
BIN_NOT
BIN_OR
BIN_SHL
BIN_SHR
BIN_XOR
CHAR_TO_UUID
GEN_UUID
UUID_TO_CHAR
GEN_ID
COALESCE
DECODE
IIF
MAXVALUE
MINVALUE
NULLIF
COMPARE_DECFLOAT
NORMALIZE_DECFLOAT
QUANTIZE
TOTALORDER
DECRYPT
ENCRYPT
RSA_DECRYPT
RSA_ENCRYPT
RSA_PRIVATE
RSA_PUBLIC
RSA_SIGN_HASH
RSA_VERIFY_HASH
MAKE_DBKEY
RDB$ERROR
RDB$GET_TRANSACTION_CN
RDB$ROLE_IN_USE
RDB$SYSTEM_PRIVILEGE
AVG
COUNT
LIST
MAX
MIN
SUM
CORR
COVAR_POP
COVAR_SAMP
STDDEV_POP
STDDEV_SAMP
VAR_POP
VAR_SAMP
REGR_AVGX
REGR_AVGY
REGR_COUNT
REGR_INTERCEPT
REGR_R2
REGR_SLOPE
REGR_SXX
REGR_SXY
REGR_SYY
CUME_DIST
DENSE_RANK
NTILE
PERCENT_RANK
RANK
ROW_NUMBER
FIRST_VALUE
LAG
LAST_VALUE
LEAD
NTH_VALUE