23.6.14. INFORMATION_SCHEMA views
The INFORMATION_SCHEMA views are described in the SQL200n standard. These views are defined in every qualifier and describe the objects in that qualifier.
TABLES
INFORMATION_SCHEMA.TABLES
TABLE_CATALOG VARCHAR(128),
TABLE_SCHEMA VARCHAR(128),
TABLE_NAME VARCHAR(128),
TABLE_TYPE VARCHAR(128),
V_KEY_TABLE VARCHAR,
V_KEY_NAME VARCHAR,
V_KEY_ID INTEGER,
V_KEY_N_SIGNIFICANT SMALLINT,
V_KEY_CLUSTER_ON_ID SMALLINT,
V_KEY_IS_MAIN SMALLINT,
V_KEY_IS_OBJECT_ID SMALLINT,
V_KEY_IS_UNIQUE SMALLINT,
V_KEY_MIGRATE_TO INTEGER,
V_KEY_SUPER_ID INTEGER,
V_KEY_DECL_PARTS SMALLINT,
V_KEY_STORAGE VARCHAR,
V_KEY_OPTIONS ANY
COLUMNS
INFORMATION_SCHEMA.COLUMNS
TABLE_CATALOG VARCHAR(128),
TABLE_SCHEMA VARCHAR(128),
TABLE_NAME VARCHAR(128),
COLUMN_NAME VARCHAR(128),
ORDINAL_POSITION INTEGER,
COLUMN_DEF VARCHAR,
NULLABLE VARCHAR (3),
DATA_TYPE VARCHAR(128),
CHARACTER_MAXIMUM_LENGTH INTEGER,
CHARACTER_OCTET_LENGTH INTEGER,
NUMERIC_PRECISION SMALLINT,
NUMERIC_PRECISION_RADIX SMALLINT,
NUMERIC_SCALE SMALLINT,
DOMAIN_CATALOG VARCHAR(128),
DOMAIN_SCHEMA VARCHAR(128),
DOMAIN_NAME VARCHAR(128),
IS_IDENTITY VARCHAR(3),
IDENTITY_GENERATION VARCHAR(10),
IDENTITY_START VARCHAR,
IDENTITY_INCREMENT VARCHAR,
V_TABLE VARCHAR,
V_COLUMN VARCHAR,
V_COL_ID INTEGER,
V_COL_DTP SMALLINT,
V_COL_PREC INTEGER,
V_COL_SCALE SMALLINT,
V_COL_DEFAULT VARCHAR,
V_COL_CHECK VARCHAR,
V_COL_NULLABLE SMALLINT,
V_COL_NTH SMALLINT,
V_COL_OPTIONS ANY,
V_KP_NTH SMALLINT
SCHEMATA
INFORMATION_SCHEMA.SCHEMATA
CATALOG_NAME VARCHAR(128),
SCHEMA_NAME VARCHAR(128),
SCHEMA_OWNER VARCHAR(128)
CHECK_CONSTRAINTS
INFORMATION_SCHEMA.CHECK_CONSTRAINTS
CONSTRAINT_CATALOG VARCHAR(128),
CONSTRAINT_SCHEMA VARCHAR(128),
CONSTRAINT_NAME VARCHAR(128),
CHECK_CLAUSE VARCHAR,
V_C_TABLE VARCHAR(128),
V_C_ID INTEGER,
V_C_TEXT VARCHAR(4000),
V_C_MODE LONG VARCHAR
CHECK_CONSTRAINTS
INFORMATION_SCHEMA.CHECK_CONSTRAINTS
CONSTRAINT_CATALOG VARCHAR(128),
CONSTRAINT_SCHEMA VARCHAR(128),
CONSTRAINT_NAME VARCHAR(128),
CHECK_CLAUSE VARCHAR,
V_C_TABLE VARCHAR(128),
V_C_ID INTEGER,
V_C_TEXT VARCHAR(4000),
V_C_MODE LONG VARCHAR
COLUMN_DOMAIN_USAGE
INFORMATION_SCHEMA.COLUMN_DOMAIN_USAGE
DOMAIN_CATALOG VARCHAR(128),
DOMAIN_SCHEMA VARCHAR(128),
DOMAIN_NAME VARCHAR(128),
TABLE_CATALOG VARCHAR(128),
TABLE_SCHEMA VARCHAR(128),
TABLE_NAME VARCHAR(128),
COLUMN_NAME VARCHAR(128)
COLUMN_PRIVILEGES
INFORMATION_SCHEMA.COLUMN_PRIVILEGES
GRANTOR VARCHAR(128),
GRANTEE VARCHAR(128),
TABLE_CATALOG VARCHAR(128),
TABLE_SCHEMA VARCHAR(128),
TABLE_NAME VARCHAR(128),
COLUMN_NAME VARCHAR(128),
PRIVILEGE_TYPE VARCHAR(10),
IS_GRANTABLE VARCHAR (3),
V_G_USER INTEGER,
V_G_OP INTEGER,
V_G_OBJECT VARCHAR (386),
V_G_COL VARCHAR (386),
V_G_GRANTOR VARCHAR (128),
V_G_ADMIN_OPT VARCHAR (128)
KEY_COLUMN_USAGE
INFORMATION_SCHEMA.KEY_COLUMN_USAGE
CONSTRAINT_CATALOG VARCHAR(128),
CONSTRAINT_SCHEMA VARCHAR(128),
CONSTRAINT_NAME VARCHAR(128),
TABLE_CATALOG VARCHAR(128),
TABLE_SCHEMA VARCHAR(128),
TABLE_NAME VARCHAR(128),
COLUMN_NAME VARCHAR(128),
ORDINAL_POSITION SMALLINT,
V_KEY_IS_MAIN SMALLINT,
V_KEY_IS_UNIQUE SMALLINT
ROUTINES
INFORMATION_SCHEMA.ROUTINES
SPECIFIC_CATALOG VARCHAR(128),
SPECIFIC_SCHEMA VARCHAR(128),
SPECIFIC_NAME VARCHAR(128),
ROUTINE_CATALOG VARCHAR(128),
ROUTINE_SCHEMA VARCHAR(128),
ROUTINE_NAME VARCHAR(128),
MODULE_CATALOG VARCHAR(128),
MODULE_SCHEMA VARCHAR(128),
MODULE_NAME VARCHAR(128),
UDT_CATALOG VARCHAR(128),
UDT_SCHEMA VARCHAR(128),
UDT_NAME VARCHAR(128),
DATA_TYPE VARCHAR(128),
CHARACTER_MAXIMUM_LENGTH INTEGER,
CHARACTER_OCTET_LENGTH INTEGER,
COLLATION_CATALOG VARCHAR(128),
COLLATION_SCHEMA VARCHAR(128),
COLLATION_NAME VARCHAR(128),
CHARACTER_SET_CATALOG VARCHAR(128),
CHARACTER_SET_SCHEMA VARCHAR(128),
CHARACTER_SET_NAME VARCHAR(128),
NUMERIC_PRECISION SMALLINT,
NUMERIC_PRECISION_RADIX SMALLINT,
NUMERIC_SCALE SMALLINT,
DATETIME_PRECISION SMALLINT,
INTERVAL_TYPE VARCHAR(128),
INTERVAL_PRECISION SMALLINT,
TYPE_UDT_CATALOG VARCHAR(128),
TYPE_UDT_SCHEMA VARCHAR(128),
TYPE_UDT_NAME VARCHAR(128),
SCOPE_CATALOG VARCHAR(128),
SCOPE_SCHEMA VARCHAR(128),
SCOPE_NAME VARCHAR(128),
MAXIMUM_CARDINALITY INTEGER,
DTD_IDENTIFIER VARCHAR(128),
ROUTINE_BODY VARCHAR(30),
ROUTINE_DEFINTION VARCHAR,
EXTERNAL_NAME VARCHAR(128),
EXTERNAL_LANGUAGE VARCHAR(30),
PARAMETER_STYLE VARCHAR(30),
IS_DETERMINISTIC VARCHAR(10),
SQL_DATA_ACCESS VARCHAR(30),
IS_NULL_CALL VARCHAR(10),
SQL_PATH VARCHAR(128),
SCHEMA_LEVEL_ROUTINE VARCHAR(10),
MAX_DYNAMIC_RESULT_SETS SMALLINT,
IS_USER_DEFINED_CAST VARCHAR(10),
IS_IMPLICITLY_INVOCABLE VARCHAR(10),
CREATED DATETIME,
LAST_ALTERED DATETIME
PARAMETERS
INFORMATION_SCHEMA.PARAMETERS
SPECIFIC_CATALOG VARCHAR(128),
SPECIFIC_SCHEMA VARCHAR(128),
SPECIFIC_NAME VARCHAR(128),
ORDINAL_POSITION INTEGER,
PARAMETER_MODE VARCHAR(10),
IS_RESULT VARCHAR(10),
AS_LOCATOR VARCHAR(10),
PARAMETER_NAME VARCHAR(128),
DATA_TYPE VARCHAR(128),
CHARACTER_MAXIMUM_LENGTH INTEGER,
CHARACTER_OCTET_LENGTH INTEGER,
COLLATION_CATALOG VARCHAR(128),
COLLATION_SCHEMA VARCHAR(128),
COLLATION_NAME VARCHAR(128),
CHARACTER_SET_CATALOG VARCHAR(128),
CHARACTER_SET_SCHEMA VARCHAR(128),
CHARACTER_SET_NAME VARCHAR(128),
NUMERIC_PRECISION SMALLINT,
NUMERIC_PRECISION_RADIX SMALLINT,
NUMERIC_SCALE SMALLINT,
DATETIME_PRECISION SMALLINT,
INTERVAL_TYPE VARCHAR(128),
INTERVAL_PRECISION SMALLINT,
USER_DEFINED_TYPE_CATALOG VARCHAR(128),
USER_DEFINED_TYPE_SCHEMA VARCHAR(128),
USER_DEFINED_TYPE_NAME VARCHAR(128),
SCOPE_CATALOG VARCHAR(128),
SCOPE_SCHEMA VARCHAR(128),
SCOPE_NAME VARCHAR(128)
REFERENTIAL_CONSTRAINTS
INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
CONSTRAINT_CATALOG VARCHAR(128),
CONSTRAINT_SCHEMA VARCHAR(128),
CONSTRAINT_NAME VARCHAR(128),
UNIQUE_CONSTRAINT_CATALOG VARCHAR(128),
UNIQUE_CONSTRAINT_SCHEMA VARCHAR(128),
UNIQUE_CONSTRAINT_NAME VARCHAR(128),
MATCH_OPTION VARCHAR(7),
UPDATE_RULE VARCHAR(9),
DELETE_RULE VARCHAR(9),
V_FK_TABLE VARCHAR(128)
TABLE_CONSTRAINTS
INFORMATION_SCHEMA.TABLE_CONSTRAINTS
CONSTRAINT_CATALOG VARCHAR(128),
CONSTRAINT_SCHEMA VARCHAR(128),
CONSTRAINT_NAME VARCHAR(128),
TABLE_CATALOG VARCHAR(128),
TABLE_SCHEMA VARCHAR(128),
TABLE_NAME VARCHAR(128),
CONSTRAINT_TYPE VARCHAR(11),
IS_DEFERRABLE VARCHAR(2),
INITIALLY_DEFERRED VARCHAR(2)
TABLE_PRIVILEGES
INFORMATION_SCHEMA.TABLE_PRIVILEGES
GRANTOR VARCHAR(128),
GRANTEE VARCHAR(128),
TABLE_CATALOG VARCHAR(128),
TABLE_SCHEMA VARCHAR(128),
TABLE_NAME VARCHAR(128),
PRIVILEGE_TYPE VARCHAR(10),
IS_GRANTABLE VARCHAR (3),
V_G_USER INTEGER,
V_G_OP INTEGER,
V_G_OBJECT VARCHAR (386),
V_G_GRANTOR VARCHAR (386)
VIEWS
INFORMATION_SCHEMA.VIEWS
TABLE_CATALOG VARCHAR(128),
TABLE_SCHEMA VARCHAR(128),
TABLE_NAME VARCHAR(128),
VIEW_DEFINITION VARCHAR,
CHECK_OPTION VARCHAR(7),
IS_UPDATABLE VARCHAR(3)