DB2 Version 10.1 for Linux, UNIX, and Windows

SYSCAT.TABLES catalog view

Each row represents a table, view, alias, or nickname. Each table or view hierarchy has one additional row representing the hierarchy table or hierarchy view that implements the hierarchy. Catalog tables and views are included.

Table 1. SYSCAT.TABLES Catalog View
Column Name	Data Type	Nullable	Description
TABSCHEMA	VARCHAR (128)		Schema name of the object.
TABNAME	VARCHAR (128)		Unqualified name of the object.
OWNER	VARCHAR (128)		Authorization ID of the owner of the table, view, alias, or nickname.
OWNERTYPE	CHAR (1)		S = The owner is the system U = The owner is an individual user
TYPE	CHAR (1)		Type of object. A = Alias G = Created temporary table H = Hierarchy table L = Detached table N = Nickname S = Materialized query table T = Table (untyped) U = Typed table V = View (untyped) W = Typed view
STATUS	CHAR (1)		Status of the object. C = Set integrity pending N = Normal X = Inoperative
BASE_TABSCHEMA	VARCHAR (128)	Y	If TYPE = 'A', contains the schema name of the table, view, alias, or nickname that is referenced by this alias; null value otherwise.
BASE_TABNAME	VARCHAR (128)	Y	If TYPE = 'A', contains the unqualified name of the table, view, alias, or nickname that is referenced by this alias; null value otherwise.
ROWTYPESCHEMA	VARCHAR (128)	Y	Schema name of the row type for this table, if applicable; null value otherwise.
ROWTYPENAME	VARCHAR (128)	Y	Unqualified name of the row type for this table, if applicable; null value otherwise.
CREATE_TIME	TIMESTAMP		Time at which the object was created.
ALTER_TIME	TIMESTAMP		Time at which the object was last altered.
INVALIDATE_TIME	TIMESTAMP		Time at which the object was last invalidated.
STATS_TIME	TIMESTAMP	Y	Time at which any change was last made to recorded statistics for this object. The null value if statistics are not collected.
COLCOUNT	SMALLINT		Number of columns, including inherited columns (if any).
TABLEID	SMALLINT		Internal logical object identifier.
TBSPACEID	SMALLINT		Internal logical identifier for the primary table space for this object.
CARD	BIGINT		Total number of rows in the table; -1 if statistics are not collected.
NPAGES	BIGINT		Total number of pages on which the rows of the table exist; -1 for a view or alias, or if statistics are not collected; -2 for a subtable or hierarchy table.
FPAGES	BIGINT		Total number of pages; -1 for a view or alias, or if statistics are not collected; -2 for a subtable or hierarchy table.
OVERFLOW	BIGINT		Total number of overflow records in the table; -1 for a view or alias, or if statistics are not collected; -2 for a subtable or hierarchy table.
TBSPACE	VARCHAR (128)	Y	Name of the primary table space for the table. If no other table space is specified, all parts of the table are stored in this table space. The null value for aliases, views, and partitioned tables.
INDEX_TBSPACE	VARCHAR (128)	Y	Name of the table space that holds all indexes created on this table. The null value for aliases, views, and partitioned tables, or if the INDEX IN clause was omitted or specified with the same value as the IN clause of the CREATE TABLE statement.
LONG_TBSPACE	VARCHAR (128)	Y	Name of the table space that holds all long data (LONG or LOB column types) for this table. The null value for aliases, views, and partitioned tables, or if the LONG IN clause was omitted or specified with the same value as the IN clause of the CREATE TABLE statement.
PARENTS	SMALLINT	Y	Number of parent tables for this object; that is, the number of referential constraints in which this object is a dependent.
CHILDREN	SMALLINT	Y	Number of dependent tables for this object; that is, the number of referential constraints in which this object is a parent.
SELFREFS	SMALLINT	Y	Number of self-referencing referential constraints for this object; that is, the number of referential constraints in which this object is both a parent and a dependent.
KEYCOLUMNS	SMALLINT	Y	Number of columns in the primary key.
KEYINDEXID	SMALLINT	Y	Index identifier for the primary key index; 0 or the null value if there is no primary key.
KEYUNIQUE	SMALLINT		Number of unique key constraints (other than the primary key constraint) defined on this object.
CHECKCOUNT	SMALLINT		Number of check constraints defined on this object.
DATACAPTURE	CHAR (1)		L = Table participates in data replication, including replication of LONG VARCHAR and LONG VARGRAPHIC columns N = Table does not participate in data replication Y = Table participates in data replication, excluding replication of LONG VARCHAR and LONG VARGRAPHIC columns
CONST_CHECKED	CHAR (32)		Byte 1 represents foreign key constraint. Byte 2 represents check constraint. Byte 5 represents materialized query table. Byte 6 represents generated column. Byte 7 represents staging table. Byte 8 represents data partitioning constraint. Other bytes are reserved for future use. Possible values are: F = In byte 5, the materialized query table cannot be refreshed incrementally. In byte 7, the content of the staging table is incomplete and cannot be used for incremental refresh of the associated materialized query table. N = Not checked U = Checked by user W = Was in 'U' state when the table was placed in set integrity pending state Y = Checked by system
PMAP_ID	SMALLINT	Y	Identifier for the distribution map that is currently in use by this table (the null value for aliases or views).
PARTITION_MODE	CHAR (1)		Indicates how data is distributed among database partitions in a partitioned database system. H = Hashing R = Replicated across database partitions Blank = No database partitioning
LOG_ATTRIBUTE	CHAR (1)		Always 0. This column is no longer used.
PCTFREE	SMALLINT		Percentage of each page to be reserved for future inserts.
APPEND_MODE	CHAR (1)		Controls how rows are inserted into pages. N = New rows are inserted into existing spaces, if available Y = New rows are appended to the end of the data
REFRESH	CHAR (1)		Refresh mode. D = Deferred I = Immediate O = Once Blank = Not a materialized query table
REFRESH_TIME	TIMESTAMP	Y	For REFRESH = 'D' or 'O', time at which the data was last refreshed (REFRESH TABLE statement); null value otherwise.
LOCKSIZE	CHAR (1)		Indicates the preferred lock granularity for tables that are accessed by data manipulation language (DML) statements. Applies to tables only. Possible values are: I = Block insert R = Row T = Table Blank = Not applicable
VOLATILE	CHAR (1)		C = Cardinality of the table is volatile Blank = Not applicable
ROW_FORMAT	CHAR (1)		Not used.
PROPERTY	VARCHAR (32)		Properties for a table. A single blank indicates that the table has no properties. The following is position within string, value, and meaning: 1, Y = User maintained materialized query table 2, Y = Staging table 3, Y = Propagate immediate 11, Y = Nickname that will not be cached 13, Y = Statistical view
STATISTICS_PROFILE	CLOB (10M)	Y	RUNSTATS command used to register a statistical profile for the object.
COMPRESSION	CHAR (1)		B = Both value and row compression are enabled N = No compression is enabled; a row format that does not support compression is used R = Row compression is enabled; a row format that supports compression might be used V = Value compression is enabled; a row format that supports compression is used Blank = Not applicable
ROWCOMPMODE	CHAR (1)		Row compression mode for the table. A = ADAPTIVE S = STATIC Blank = Row compression is not enabled
ACCESS_MODE	CHAR (1)		Access restriction state of the object. These states only apply to objects that are in set integrity pending state or to objects that were processed by a SET INTEGRITY statement. Possible values are: D = No data movement F = Full access N = No access R = Read-only access
CLUSTERED	CHAR (1)	Y	T = Table is clustered by insert time Y = Table is clustered by dimensions (even if only by one dimension) Null value = Table is not clustered by dimensions or insert time
ACTIVE_BLOCKS	BIGINT		Total number of active blocks in the table, or -1. Applies to multidimensional clustering (MDC) tables or insert time clustering (ITC) tables only.
DROPRULE	CHAR (1)		N = No rule R = Restrict rule applies on drop
MAXFREESPACESEARCH	SMALLINT		Reserved for future use.
AVGCOMPRESSEDROWSIZE	SMALLINT		Average length (in bytes) of compressed rows in this table; -1 if statistics are not collected.
AVGROWCOMPRESSIONRATIO	REAL		For compressed rows in the table, this is the average compression ratio by row; that is, the average uncompressed row length divided by the average compressed row length; -1 if statistics are not collected.
AVGROWSIZE	SMALLINT		Average length (in bytes) of both compressed and uncompressed rows in this table; -1 if statistics are not collected.
PCTROWSCOMPRESSED	REAL		Compressed rows as a percentage of the total number of rows in the table; -1 if statistics are not collected.
LOGINDEXBUILD	VARCHAR (3)	Y	Level of logging that is to be performed during create, re-create, or reorganize index operations on the table. OFF = Index build operations on the table will be logged minimally ON = Index build operations on the table will be logged completely Null value = Value of the logindexbuild database configuration parameter will be used to determine whether or not index build operations are to be completely logged
CODEPAGE	SMALLINT		Code page of the object. This is the default code page used for all character columns, triggers, check constraints, and expression-generated columns.
COLLATIONSCHEMA	VARCHAR (128)		Schema name of the collation for the table.
COLLATIONNAME	VARCHAR (128)		Unqualified name of the collation for the table.
COLLATIONSCHEMA_ORDERBY	VARCHAR (128)		Schema name of the collation for ORDER BY clauses in the table.
COLLATIONNAME_ORDERBY	VARCHAR (128)		Unqualified name of the collation for ORDER BY clauses in the table.
ENCODING_SCHEME	CHAR (1)		A = CCSID ASCII was specified U = CCSID UNICODE was specified Blank = CCSID clause was not specified
PCTPAGESSAVED	SMALLINT		Approximate percentage of pages saved in the table as a result of row compression; -1 if statistics are not collected.
LAST_REGEN_TIME	TIMESTAMP	Y	Time at which any views or check constraints on the table were last regenerated.
SECPOLICYID	INTEGER		Identifier for the security policy protecting the table; 0 for non-protected tables.
PROTECTIONGRANULARITY	CHAR (1)		B = Both column- and row-level granularity C = Column-level granularity R = Row-level granularity Blank = Non-protected table
AUDITPOLICYID	INTEGER	Y	Identifier for the audit policy.
AUDITPOLICYNAME	VARCHAR (128)	Y	Name of the audit policy.
AUDITEXCEPTIONENABLED	CHAR (1)		Reserved for future use.
DEFINER¹	VARCHAR (128)		Authorization ID of the owner of the table, view, alias, or nickname.
ONCOMMIT	CHAR (1)		Specifies the action taken on the created temporary table when a COMMIT operation is performed. D = Delete rows P = Preserve rows Blank = Table is not a created temporary table
LOGGED	CHAR (1)		Specifies whether the created temporary table is logged. N = Not logged Y = Logged Blank = Table is not a created temporary table
ONROLLBACK	CHAR (1)		Specifies the action taken on the created temporary table when a ROLLBACK operation is performed. D = Delete rows P = Preserve rows Blank = Table is not a created temporary table
LASTUSED	DATE		Date when the table was last used by any DML statement or the LOAD command. This column is not updated for an alias, created temporary table, nickname, or view. This column is not updated when the table is used on an HADR standby database. The default value is '0001-01-01'. This value is updated asynchronously not more than once within a 24 hour period and might not reflect usage within the last 15 minutes.
CONTROL	CHAR (1)		Access control that is enforced for the table B = Both row and column C = Column R = Row Blank = No access control
TEMPORALTYPE	CHAR (1)		Type of temporal table. A = Application-period temporal table B = Bitemporal table N = Not a temporal table S = System-period temporal table
REMARKS	VARCHAR (254)	Y	User-provided comments, or the null value.
Note: The DEFINER column is included for backwards compatibility. See OWNER.