Reserved Keywords
Not every SQL feature is implemented in Confluent Cloud for Apache Flink®️, but some string
combinations are reserved as keywords for future use.
If you want to use one of the following strings as a field name, enclose them
with backticks, for example:
A
A |
ABS |
ABSOLUTE |
ACTION |
ADA |
ADD |
ADMIN |
AFTER |
ALL |
ALLOCATE |
ALLOW |
ALTER |
ALWAYS |
AND |
ANALYZE |
ANY |
ARE |
ARRAY |
AS |
ASC |
ASENSITIVE |
ASSERTION |
ASSIGNMENT |
ASYMMETRIC |
AT |
ATOMIC |
ATTRIBUTE |
ATTRIBUTES |
AUTHORIZATION |
AVG |
B
BEFORE |
BEGIN |
BERNOULLI |
BETWEEN |
BIGINT |
BINARY |
BIT |
BLOB |
BOOLEAN |
BOTH |
BREADTH |
BY |
BYTES |
|
|
C
C |
CALL |
CALLED |
CARDINALITY |
CASCADE |
CASCADED |
CASE |
CAST |
CATALOG |
CATALOG_NAME |
CEIL |
CEILING |
CENTURY |
CHAIN |
CHAR |
CHARACTER |
CHARACTERISTICS |
CHARACTERS |
CHARACTER_LENGTH |
CHARACTER_SET_CATALOG |
CHARACTER_SET_NAME |
CHARACTER_SET_SCHEMA |
CHAR_LENGTH |
CHECK |
CLASS_ORIGIN |
CLOB |
CLOSE |
COALESCE |
COBOL |
COLLATE |
COLLATION |
COLLATION_CATALOG |
COLLATION_NAME |
COLLATION_SCHEMA |
COLLECT |
COLUMN |
COLUMNS |
COLUMN_NAME |
COMMAND_FUNCTION |
COMMAND_FUNCTION_CODE |
COMMIT |
COMMITTED |
CONDITION |
CONDITION_NUMBER |
CONNECT |
CONNECTION |
CONNECTION_NAME |
CONSTRAINT |
CONSTRAINTS |
CONSTRAINT_CATALOG |
CONSTRAINT_NAME |
CONSTRAINT_SCHEMA |
CONSTRUCTOR |
CONTAINS |
CONTINUE |
CONVERT |
CORR |
CORRESPONDING |
COUNT |
COVAR_POP |
COVAR_SAMP |
CREATE |
CROSS |
CUBE |
CUME_DIST |
CURRENT |
CURRENT_CATALOG |
CURRENT_DATE |
CURRENT_DEFAULT_TRANSFORM_GROUP |
CURRENT_PATH |
CURRENT_ROLE |
CURRENT_SCHEMA |
CURRENT_TIME |
CURRENT_TIMESTAMP |
CURRENT_TRANSFORM_GROUP_FOR_TYPE |
CURRENT_USER |
CURSOR |
CURSOR_NAME |
CYCLE |
|
D
DATA |
DATABASE |
DATE |
DATETIME_INTERVAL_CODE |
DATETIME_INTERVAL_PRECISION |
DAY |
DEALLOCATE |
DEC |
DECADE |
DECIMAL |
DECLARE |
DEFAULT |
DEFAULTS |
DEFERRABLE |
DEFERRED |
DEFINED |
DEFINER |
DEGREE |
DELETE |
DENSE_RANK |
DEPTH |
DEREF |
DERIVED |
DESC |
DESCRIBE |
DESCRIPTION |
DESCRIPTOR |
DETERMINISTIC |
DIAGNOSTICS |
DISALLOW |
DISCONNECT |
DISPATCH |
DISTINCT |
DOMAIN |
DOUBLE |
DOW |
DOY |
DROP |
DYNAMIC |
DYNAMIC_FUNCTION |
DYNAMIC_FUNCTION_CODE |
|
|
|
E
EACH |
ELEMENT |
ELSE |
END |
END-EXEC |
EPOCH |
EQUALS |
ESCAPE |
EVERY |
EXCEPT |
EXCEPTION |
EXCLUDE |
EXCLUDING |
EXEC |
EXECUTE |
EXISTS |
EXP |
EXPLAIN |
EXTEND |
EXTERNAL |
EXTRACT |
|
|
|
|
F
FALSE |
FETCH |
FILTER |
FINAL |
FIRST |
FIRST_VALUE |
FLOAT |
FLOOR |
FOLLOWING |
FOR |
FOREIGN |
FORTRAN |
FOUND |
FRAC_SECOND |
FREE |
FROM |
FULL |
FUNCTION |
FUSION |
|
G
G |
GENERAL |
GENERATED |
GET |
GLOBAL |
GO |
GOTO |
GRANT |
GRANTED |
GROUP |
GROUPING |
|
|
|
|
H
HAVING |
HIERARCHY |
HOLD |
HOUR |
I
IDENTITY |
IMMEDIATE |
IMPLEMENTATION |
IMPORT |
IN |
INCLUDING |
INCREMENT |
INDICATOR |
INITIALLY |
INNER |
INOUT |
INPUT |
INSENSITIVE |
INSERT |
INSTANCE |
INSTANTIABLE |
INT |
INTEGER |
INTERSECT |
INTERSECTION |
INTERVAL |
INTO |
INVOKER |
IS |
ISOLATION |
K
K |
KEY |
KEY_MEMBER |
KEY_TYPE |
L
LABEL |
LANGUAGE |
LARGE |
LAST |
LAST_VALUE |
LATERAL |
LEADING |
LEFT |
LENGTH |
LEVEL |
LIBRARY |
LIKE |
LIMIT |
LN |
LOCAL |
LOCALTIME |
LOCALTIMESTAMP |
LOCATOR |
LOWER |
|
M
M |
MAP |
MATCH |
MATCHED |
MAX |
MAXVALUE |
MEMBER |
MERGE |
MESSAGE_LENGTH |
MESSAGE_OCTET_LENGTH |
MESSAGE_TEXT |
METHOD |
MICROSECOND |
MILLENNIUM |
MIN |
MINUTE |
MINVALUE |
MOD |
MODIFIES |
MODULE |
MODULES |
MONTH |
MORE |
MULTISET |
MUMPS |
N
NAME |
NAMES |
NATIONAL |
NATURAL |
NCHAR |
NCLOB |
NESTING |
NEW |
NEXT |
NO |
NONE |
NORMALIZE |
NORMALIZED |
NOT |
NULL |
NULLABLE |
NULLIF |
NULLS |
NUMBER |
NUMERIC |
O
OBJECT |
OCTETS |
OCTET_LENGTH |
OF |
OFFSET |
OLD |
ON |
ONLY |
OPEN |
OPTION |
OPTIONS |
OR |
ORDER |
ORDERING |
ORDINALITY |
OTHERS |
OUT |
OUTER |
OUTPUT |
OVER |
OVERLAPS |
OVERLAY |
OVERRIDING |
|
|
P
PAD |
PARAMETER |
PARAMETER_MODE |
PARAMETER_NAME |
PARAMETER_ORDINAL_POSITION |
PARAMETER_SPECIFIC_CATALOG |
PARAMETER_SPECIFIC_NAME |
PARAMETER_SPECIFIC_SCHEMA |
PARTIAL |
PARTITION |
PASCAL |
PASSTHROUGH |
PATH |
PERCENTILE_CONT |
PERCENTILE_DISC |
PERCENT_RANK |
PLACING |
PLAN |
PLI |
POSITION |
POWER |
PRECEDING |
PRECISION |
PREPARE |
PRESERVE |
PRIMARY |
PRIOR |
PRIVILEGES |
PROCEDURE |
PUBLIC |
R
RANGE |
RANK |
RAW |
READ |
READS |
REAL |
RECURSIVE |
REF |
REFERENCES |
REFERENCING |
REGR_AVGX |
REGR_AVGY |
REGR_COUNT |
REGR_INTERCEPT |
REGR_R2 |
REGR_SLOPE |
REGR_SXX |
REGR_SXY |
REGR_SYY |
RELATIVE |
RELEASE |
REPEATABLE |
RESET |
RESTART |
RESTRICT |
RESULT |
RETURN |
RETURNED_CARDINALITY |
RETURNED_LENGTH |
RETURNED_OCTET_LENGTH |
RETURNED_SQLSTATE |
RETURNS |
REVOKE |
RIGHT |
ROLE |
ROLLBACK |
ROLLUP |
ROUTINE |
ROUTINE_CATALOG |
ROUTINE_NAME |
ROUTINE_SCHEMA |
ROW |
ROWS |
ROW_COUNT |
ROW_NUMBER |
|
|
|
S
SAVEPOINT |
SCALE |
SCHEMA |
SCHEMA_NAME |
SCOPE |
SCOPE_CATALOGS |
SCOPE_NAME |
SCOPE_SCHEMA |
SCROLL |
SEARCH |
SECOND |
SECTION |
SECURITY |
SELECT |
SELF |
SENSITIVE |
SEQUENCE |
SERIALIZABLE |
SERVER |
SERVER_NAME |
SESSION |
SESSION_USER |
SET |
SETS |
SIMILAR |
SIMPLE |
SIZE |
SMALLINT |
SOME |
SOURCE |
SIZE |
SMALLINT |
SPACE |
SPECIFIC |
SPECIFICTYPE |
SPECIFIC_NAME |
SQL |
SQLEXCEPTION |
SQLSTATE |
SQLWARNING |
SQL_TSI_DAY |
SQL_TSI_FRAC_SECOND |
SQL_TSI_HOUR |
SQL_TSI_MICROSECOND |
SQL_TSI_MINUTE |
SQL_TSI_MONTH |
SQL_TSI_QUARTER |
SQL_TSI_SECOND |
SQL_TSI_WEEK |
SQL_TSI_YEAR |
SQRT |
START |
STATE |
STATEMENT |
STATIC |
STATISTICS |
STDDEV_POP |
STDDEV_SAMP |
STREAM |
STRING |
STRUCTURE |
STYLE |
SUBCLASS_ORIGIN |
SUBMULTISET |
SUBSTITUTE |
SUBSTRING |
SUM |
SYMMETRIC |
SYSTEM |
SYSTEM_USER |
|
|
T
TABLE |
TABLESAMPLE |
TABLE_NAME |
TEMPORARY |
THEN |
TIES |
TIME |
TIMESTAMP |
TIMESTAMPADD |
TIMESTAMPDIFF |
TIMEZONE_HOUR |
TIMEZONE_MINUTE |
TINYINT |
TO |
TOP_LEVEL_COUNT |
TRAILING |
TRANSACTION |
TRANSACTIONS_ACTIVE |
TRANSACTIONS_COMMITTED |
TRANSACTIONS_ROLLED_BACK |
TRANSFORM |
TRANSFORMS |
TRANSLATE |
TRANSLATION |
TREAT |
TRIGGER |
TRIGGER_CATALOG |
TRIGGER_NAME |
TRIGGER_SCHEMA |
TRIM |
TRUE |
TYPE |
U
UESCAPE |
UNBOUNDED |
UNCOMMITTED |
UNDER |
UNION |
UNIQUE |
UNKNOWN |
UNNAMED |
UNNEST |
UPDATE |
UPPER |
UPSERT |
USAGE |
USER |
USER_DEFINED_TYPE_CATALOG |
USER_DEFINED_TYPE_CODE |
USER_DEFINED_TYPE_NAME |
USER_DEFINED_TYPE_SCHEMA |
USER_DEFINED_TYPE_CATALOG |
USER_DEFINED_TYPE_CODE |
USING |
|
|
|
V
VALUE |
VALUES |
VARBINARY |
VARCHAR |
VARYING |
VAR_POP |
VAR_SAMP |
VERSION |
VIEW |
|
W
WEEK |
WHEN |
WHENEVER |
WHERE |
WIDTH_BUCKET |
WINDOW |
WITH |
WITHIN |
WITHOUT |
WORK |
WRAPPER |
WRITE |
|
|
|