D.1. Supported Features

Identifier	Core?	Description	Comment
B012		Embedded C
B021		Direct SQL
B128		Routine language SQL
E011	Core	Numeric data types
E011-01	Core	INTEGER and SMALLINT data types
E011-02	Core	REAL, DOUBLE PRECISION, and FLOAT data types
E011-03	Core	DECIMAL and NUMERIC data types
E011-04	Core	Arithmetic operators
E011-05	Core	Numeric comparison
E011-06	Core	Implicit casting among the numeric data types
E021	Core	Character data types
E021-01	Core	CHARACTER data type
E021-02	Core	CHARACTER VARYING data type
E021-03	Core	Character literals
E021-04	Core	CHARACTER_LENGTH function	trims trailing spaces from CHARACTER values before counting
E021-05	Core	OCTET_LENGTH function
E021-06	Core	SUBSTRING function
E021-07	Core	Character concatenation
E021-08	Core	UPPER and LOWER functions
E021-09	Core	TRIM function
E021-10	Core	Implicit casting among the character string types
E021-11	Core	POSITION function
E021-12	Core	Character comparison
E031	Core	Identifiers
E031-01	Core	Delimited identifiers
E031-02	Core	Lower case identifiers
E031-03	Core	Trailing underscore
E051	Core	Basic query specification
E051-01	Core	SELECT DISTINCT
E051-02	Core	GROUP BY clause
E051-04	Core	GROUP BY can contain columns not in <select list>
E051-05	Core	Select list items can be renamed
E051-06	Core	HAVING clause
E051-07	Core	Qualified * in select list
E051-08	Core	Correlation names in the FROM clause
E051-09	Core	Rename columns in the FROM clause
E061	Core	Basic predicates and search conditions
E061-01	Core	Comparison predicate
E061-02	Core	BETWEEN predicate
E061-03	Core	IN predicate with list of values
E061-04	Core	LIKE predicate
E061-05	Core	LIKE predicate ESCAPE clause
E061-06	Core	NULL predicate
E061-07	Core	Quantified comparison predicate
E061-08	Core	EXISTS predicate
E061-09	Core	Subqueries in comparison predicate
E061-11	Core	Subqueries in IN predicate
E061-12	Core	Subqueries in quantified comparison predicate
E061-13	Core	Correlated subqueries
E061-14	Core	Search condition
E071	Core	Basic query expressions
E071-01	Core	UNION DISTINCT table operator
E071-02	Core	UNION ALL table operator
E071-03	Core	EXCEPT DISTINCT table operator
E071-05	Core	Columns combined via table operators need not have exactly the same data type
E071-06	Core	Table operators in subqueries
E081	Core	Basic Privileges
E081-01	Core	SELECT privilege
E081-02	Core	DELETE privilege
E081-03	Core	INSERT privilege at the table level
E081-04	Core	UPDATE privilege at the table level
E081-05	Core	UPDATE privilege at the column level
E081-06	Core	REFERENCES privilege at the table level
E081-07	Core	REFERENCES privilege at the column level
E081-08	Core	WITH GRANT OPTION
E081-09	Core	USAGE privilege
E081-10	Core	EXECUTE privilege
E091	Core	Set functions
E091-01	Core	AVG
E091-02	Core	COUNT
E091-03	Core	MAX
E091-04	Core	MIN
E091-05	Core	SUM
E091-06	Core	ALL quantifier
E091-07	Core	DISTINCT quantifier
E101	Core	Basic data manipulation
E101-01	Core	INSERT statement
E101-03	Core	Searched UPDATE statement
E101-04	Core	Searched DELETE statement
E111	Core	Single row SELECT statement
E121	Core	Basic cursor support
E121-01	Core	DECLARE CURSOR
E121-02	Core	ORDER BY columns need not be in select list
E121-03	Core	Value expressions in ORDER BY clause
E121-04	Core	OPEN statement
E121-06	Core	Positioned UPDATE statement
E121-07	Core	Positioned DELETE statement
E121-08	Core	CLOSE statement
E121-10	Core	FETCH statement implicit NEXT
E121-17	Core	WITH HOLD cursors
E131	Core	Null value support (nulls in lieu of values)
E141	Core	Basic integrity constraints
E141-01	Core	NOT NULL constraints
E141-02	Core	UNIQUE constraints of NOT NULL columns
E141-03	Core	PRIMARY KEY constraints
E141-04	Core	Basic FOREIGN KEY constraint with the NO ACTION default for both referential delete action and referential update action
E141-06	Core	CHECK constraints
E141-07	Core	Column defaults
E141-08	Core	NOT NULL inferred on PRIMARY KEY
E141-10	Core	Names in a foreign key can be specified in any order
E151	Core	Transaction support
E151-01	Core	COMMIT statement
E151-02	Core	ROLLBACK statement
E152	Core	Basic SET TRANSACTION statement
E152-01	Core	SET TRANSACTION statement: ISOLATION LEVEL SERIALIZABLE clause
E152-02	Core	SET TRANSACTION statement: READ ONLY and READ WRITE clauses
E153	Core	Updatable queries with subqueries
E161	Core	SQL comments using leading double minus
E171	Core	SQLSTATE support
E182	Core	Host language binding
F021	Core	Basic information schema
F021-01	Core	COLUMNS view
F021-02	Core	TABLES view
F021-03	Core	VIEWS view
F021-04	Core	TABLE_CONSTRAINTS view
F021-05	Core	REFERENTIAL_CONSTRAINTS view
F021-06	Core	CHECK_CONSTRAINTS view
F031	Core	Basic schema manipulation
F031-01	Core	CREATE TABLE statement to create persistent base tables
F031-02	Core	CREATE VIEW statement
F031-03	Core	GRANT statement
F031-04	Core	ALTER TABLE statement: ADD COLUMN clause
F031-13	Core	DROP TABLE statement: RESTRICT clause
F031-16	Core	DROP VIEW statement: RESTRICT clause
F031-19	Core	REVOKE statement: RESTRICT clause
F032		CASCADE drop behavior
F033		ALTER TABLE statement: DROP COLUMN clause
F034		Extended REVOKE statement
F034-01		REVOKE statement performed by other than the owner of a schema object
F034-02		REVOKE statement: GRANT OPTION FOR clause
F034-03		REVOKE statement to revoke a privilege that the grantee has WITH GRANT OPTION
F041	Core	Basic joined table
F041-01	Core	Inner join (but not necessarily the INNER keyword)
F041-02	Core	INNER keyword
F041-03	Core	LEFT OUTER JOIN
F041-04	Core	RIGHT OUTER JOIN
F041-05	Core	Outer joins can be nested
F041-07	Core	The inner table in a left or right outer join can also be used in an inner join
F041-08	Core	All comparison operators are supported (rather than just =)
F051	Core	Basic date and time
F051-01	Core	DATE data type (including support of DATE literal)
F051-02	Core	TIME data type (including support of TIME literal) with fractional seconds precision of at least 0
F051-03	Core	TIMESTAMP data type (including support of TIMESTAMP literal) with fractional seconds precision of at least 0 and 6
F051-04	Core	Comparison predicate on DATE, TIME, and TIMESTAMP data types
F051-05	Core	Explicit CAST between datetime types and character string types
F051-06	Core	CURRENT_DATE
F051-07	Core	LOCALTIME
F051-08	Core	LOCALTIMESTAMP
F052		Intervals and datetime arithmetic
F053		OVERLAPS predicate
F081	Core	UNION and EXCEPT in views
F111		Isolation levels other than SERIALIZABLE
F111-01		READ UNCOMMITTED isolation level
F111-02		READ COMMITTED isolation level
F111-03		REPEATABLE READ isolation level
F131	Core	Grouped operations
F131-01	Core	WHERE, GROUP BY, and HAVING clauses supported in queries with grouped views
F131-02	Core	Multiple tables supported in queries with grouped views
F131-03	Core	Set functions supported in queries with grouped views
F131-04	Core	Subqueries with GROUP BY and HAVING clauses and grouped views
F131-05	Core	Single row SELECT with GROUP BY and HAVING clauses and grouped views
F171		Multiple schemas per user
F181	Core	Multiple module support
F191		Referential delete actions
F200		TRUNCATE TABLE statement
F201	Core	CAST function
F202		TRUNCATE TABLE: identity column restart option
F221	Core	Explicit defaults
F222		INSERT statement: DEFAULT VALUES clause
F231		Privilege tables
F231-01		TABLE_PRIVILEGES view
F231-02		COLUMN_PRIVILEGES view
F231-03		USAGE_PRIVILEGES view
F251		Domain support
F261	Core	CASE expression
F261-01	Core	Simple CASE
F261-02	Core	Searched CASE
F261-03	Core	NULLIF
F261-04	Core	COALESCE
F262		Extended CASE expression
F271		Compound character literals
F281		LIKE enhancements
F292		UNIQUE null treatment	SQL:202x draft
F302		INTERSECT table operator
F302-01		INTERSECT DISTINCT table operator
F302-02		INTERSECT ALL table operator
F304		EXCEPT ALL table operator
F311	Core	Schema definition statement
F311-01	Core	CREATE SCHEMA
F311-02	Core	CREATE TABLE for persistent base tables
F311-03	Core	CREATE VIEW
F311-04	Core	CREATE VIEW: WITH CHECK OPTION
F311-05	Core	GRANT statement
F312		MERGE statement
F313		Enhanced MERGE statement
F314		MERGE statement with DELETE branch
F321		User authorization
F341		Usage tables
F361		Subprogram support
F381		Extended schema manipulation
F381-01		ALTER TABLE statement: ALTER COLUMN clause
F381-02		ALTER TABLE statement: ADD CONSTRAINT clause
F381-03		ALTER TABLE statement: DROP CONSTRAINT clause
F382		Alter column data type
F383		Set column not null clause
F384		Drop identity property clause
F385		Drop column generation expression clause
F386		Set identity column generation clause
F391		Long identifiers
F392		Unicode escapes in identifiers
F393		Unicode escapes in literals
F394		Optional normal form specification
F401		Extended joined table
F401-01		NATURAL JOIN
F401-02		FULL OUTER JOIN
F401-04		CROSS JOIN
F402		Named column joins for LOBs, arrays, and multisets
F404		Range variable for common column names
F411		Time zone specification	differences regarding literal interpretation
F421		National character
F431		Read-only scrollable cursors
F431-01		FETCH with explicit NEXT
F431-02		FETCH FIRST
F431-03		FETCH LAST
F431-04		FETCH PRIOR
F431-05		FETCH ABSOLUTE
F431-06		FETCH RELATIVE
F441		Extended set function support
F442		Mixed column references in set functions
F471	Core	Scalar subquery values
F481	Core	Expanded NULL predicate
F491		Constraint management
F501	Core	Features and conformance views
F501-01	Core	SQL_FEATURES view
F501-02	Core	SQL_SIZING view
F502		Enhanced documentation tables
F531		Temporary tables
F555		Enhanced seconds precision
F561		Full value expressions
F571		Truth value tests
F591		Derived tables
F611		Indicator data types
F641		Row and table constructors
F651		Catalog name qualifiers
F661		Simple tables
F672		Retrospective check constraints
F690		Collation support	but no character set support
F692		Extended collation support
F701		Referential update actions
F711		ALTER domain
F731		INSERT column privileges
F751		View CHECK enhancements
F761		Session management
F762		CURRENT_CATALOG
F763		CURRENT_SCHEMA
F771		Connection management
F781		Self-referencing operations
F791		Insensitive cursors
F801		Full set function
F850		Top-level <order by clause> in <query expression>
F851		<order by clause> in subqueries
F852		Top-level <order by clause> in views
F855		Nested <order by clause> in <query expression>
F856		Nested <fetch first clause> in <query expression>
F857		Top-level <fetch first clause> in <query expression>
F858		<fetch first clause> in subqueries
F859		Top-level <fetch first clause> in views
F860		<fetch first row count> in <fetch first clause>
F861		Top-level <result offset clause> in <query expression>
F862		<result offset clause> in subqueries
F863		Nested <result offset clause> in <query expression>
F864		Top-level <result offset clause> in views
F865		<offset row count> in <result offset clause>
F867		FETCH FIRST clause: WITH TIES option
S071		SQL paths in function and type name resolution
S091-01		Arrays of built-in data types
S091-03		Array expressions
S092		Arrays of user-defined types
S095		Array constructors by query
S096		Optional array bounds
S098		ARRAY_AGG
S111		ONLY in query expressions
S201		SQL-invoked routines on arrays
S201-01		Array parameters
S201-02		Array as result type of functions
S211		User-defined cast functions
S301		Enhanced UNNEST
S404		TRIM_ARRAY
T031		BOOLEAN data type
T071		BIGINT data type
T121		WITH (excluding RECURSIVE) in query expression
T122		WITH (excluding RECURSIVE) in subquery
T131		Recursive query
T132		Recursive query in subquery
T133		Enhanced cycle mark values	SQL:202x draft
T141		SIMILAR predicate
T151		DISTINCT predicate
T152		DISTINCT predicate with negation
T171		LIKE clause in table definition
T172		AS subquery clause in table definition
T173		Extended LIKE clause in table definition
T174		Identity columns
T177		Sequence generator support: simple restart option
T178		Identity columns: simple restart option
T191		Referential action RESTRICT
T201		Comparable data types for referential constraints
T211-01		Triggers activated on UPDATE, INSERT, or DELETE of one base table
T211-02		BEFORE triggers
T211-03		AFTER triggers
T211-04		FOR EACH ROW triggers
T211-05		Ability to specify a search condition that must be true before the trigger is invoked
T211-07		TRIGGER privilege
T212		Enhanced trigger capability
T213		INSTEAD OF triggers
T241		START TRANSACTION statement
T261		Chained transactions
T271		Savepoints
T281		SELECT privilege with column granularity
T285		Enhanced derived column names
T312		OVERLAY function
T321-01	Core	User-defined functions with no overloading
T321-02	Core	User-defined stored procedures with no overloading
T321-03	Core	Function invocation
T321-04	Core	CALL statement
T321-05	Core	RETURN statement
T321-06	Core	ROUTINES view
T321-07	Core	PARAMETERS view
T323		Explicit security for external routines
T325		Qualified SQL parameter references
T331		Basic roles
T332		Extended roles
T341		Overloading of SQL-invoked functions and procedures
T351		Bracketed SQL comments (/*...*/ comments)
T431		Extended grouping capabilities
T432		Nested and concatenated GROUPING SETS
T433		Multiargument GROUPING function
T434		GROUP BY DISTINCT
T441		ABS and MOD functions
T461		Symmetric BETWEEN predicate
T491		LATERAL derived table
T501		Enhanced EXISTS predicate
T521		Named arguments in CALL statement
T523		Default values for INOUT parameters of SQL-invoked procedures
T524		Named arguments in routine invocations other than a CALL statement
T525		Default values for parameters of SQL-invoked functions
T551		Optional key words for default syntax
T581		Regular expression substring function
T591		UNIQUE constraints of possibly null columns
T611		Elementary OLAP operations
T612		Advanced OLAP operations
T613		Sampling
T614		NTILE function
T615		LEAD and LAG functions
T617		FIRST_VALUE and LAST_VALUE function
T620		WINDOW clause: GROUPS option
T621		Enhanced numeric functions
T622		Trigonometric functions
T623		General logarithm functions
T624		Common logarithm functions
T631	Core	IN predicate with one list element
T651		SQL-schema statements in SQL routines
T653		SQL-schema statements in external routines
T655		Cyclically dependent routines
T831		SQL/JSON path language: strict mode
T832		SQL/JSON path language: item method
T833		SQL/JSON path language: multiple subscripts
T834		SQL/JSON path language: wildcard member accessor
T835		SQL/JSON path language: filter expressions
T836		SQL/JSON path language: starts with predicate
T837		SQL/JSON path language: regex_like predicate
X010		XML type
X011		Arrays of XML type
X014		Attributes of XML type
X016		Persistent XML values
X020		XMLConcat
X031		XMLElement
X032		XMLForest
X034		XMLAgg
X035		XMLAgg: ORDER BY option
X036		XMLComment
X037		XMLPI
X040		Basic table mapping
X041		Basic table mapping: nulls absent
X042		Basic table mapping: null as nil
X043		Basic table mapping: table as forest
X044		Basic table mapping: table as element
X045		Basic table mapping: with target namespace
X046		Basic table mapping: data mapping
X047		Basic table mapping: metadata mapping
X048		Basic table mapping: base64 encoding of binary strings
X049		Basic table mapping: hex encoding of binary strings
X050		Advanced table mapping
X051		Advanced table mapping: nulls absent
X052		Advanced table mapping: null as nil
X053		Advanced table mapping: table as forest
X054		Advanced table mapping: table as element
X055		Advanced table mapping: with target namespace
X056		Advanced table mapping: data mapping
X057		Advanced table mapping: metadata mapping
X058		Advanced table mapping: base64 encoding of binary strings
X059		Advanced table mapping: hex encoding of binary strings
X060		XMLParse: character string input and CONTENT option
X061		XMLParse: character string input and DOCUMENT option
X070		XMLSerialize: character string serialization and CONTENT option
X071		XMLSerialize: character string serialization and DOCUMENT option
X072		XMLSerialize: character string serialization
X090		XML document predicate
X120		XML parameters in SQL routines
X121		XML parameters in external routines
X221		XML passing mechanism BY VALUE
X301		XMLTable: derived column list option
X302		XMLTable: ordinality column option
X303		XMLTable: column default option
X304		XMLTable: passing a context item	must be XML DOCUMENT
X400		Name and identifier mapping
X410		Alter column data type: XML type