FireBird开源数据库内置函数列表

ABS() //取绝对值
ACOS() //反余弦函数
ASCII_CHAR()
ASCII_VAL()
ASIN()
ATAN()
ATAN2()
BIN_AND()
BIN_OR()
BIN_SHL()
BIN_SHR()
BIN_XOR()
BIT_LENGTH()
CAST()
CEIL(), CEILING()
CHAR_LENGTH(), CHARACTER_LENGTH()
CHAR_TO_UUID() //字符转UUID
COALESCE()
COS()
COSH()
COT()
DATEADD()
DATEDIFF()
DECODE()
EXP()
EXTRACT()
FLOOR()
GEN_ID()
GEN_UUID()
HASH()
IIF()
LEFT()
LN()
LOG()
LOG10()
LOWER()
LPAD()
MAXVALUE()
MINVALUE()
MOD()
NULLIF()
OCTET_LENGTH()
OVERLAY()
PI()
POSITION()
POWER()
RAND()
RDB$GET_CONTEXT()
RDB$SET_CONTEXT()
REPLACE()
REVERSE()
RIGHT()
ROUND()
RPAD()
SIGN()
SIN()
SINH()
SQRT()
SUBSTRING()
TAN()
TANH()
TRIM()
TRUNC()
UPPER()
UUID_TO_CHAR()