Db2--syscat. TABLES all Field Descriptions

SYSCAT. TABLES catalog view

Each row represents a table, view, alias, or nickname. Each table or view hierarchy have one additional row representing the hierarchy table or hierarchy view that implements the Hierarchy. Catalog tables and Views is included.

Each row represents a table, view, alias, or nickname. each table or view hierarchy has an additional row that represents the hierarchy table or hierarchy view that implements the hierarchy. includes catalog tables and views.

Table 67. 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 under which the table, view, alias, or nickname was created.
TYPE	CHAR (1)		Type of object. A = Alias G = Global 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's 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's 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 is created.
Invalidate_time	TIMESTAMP		Time at which the object is last invalidated.
Stats_time	TIMESTAMP	Y	Time at which any change is last made to recorded statistics for this object. Null If statistics is 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; -1 If statistics is 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 is not collected; -2 for a subtable or hierarchy table.
Fpages	BIGINT		Total number of pages; -1 for a view or alias, or if statistics is 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 is 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 was specified, all parts of the table was stored in this table space. Null for aliases, views, and partitioned tables.
Index_tbspace	VARCHAR (128)	Y	Name of the table space that holds all indexes created on this table. Null for aliases, views, and partitioned tables, or if the INDEX in clause is 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, holds all long data (long or LOB column types) for this table. Null for aliases, views, and partitioned tables, or if the LONG in clause is omitted or specified with the same value as The IN clause of the CREATE TABLE statement.
Parents	SMALLINT	Y	Number of the parent tables for this object; That's, the number of referential constraints in which this object is a dependent.
Children	SMALLINT	Y	Number of dependent tables for this object; That's, 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's, 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 the 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 (+)		Byte 1 represents fore IGN 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 is reserved for the future use. Possible values are: F = in byte 5, the materialized query table cannot be refreshed Inc Rementally. In byte 7, the content of the staging table is incomplete and cannot are used for incremental refresh of the associated mat erialized query table. N = Not checked U = Checked by user W = is in ' U ' state when the table is placed in set integrity pending state Y = Checked by System
pmap_id	SMALLINT	Y	Identifier for the distribution map, is currently on use by this table (null for aliases or views).
Partition_mode	CHAR (1)		Indicates how data are 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 being reserved for the future inserts.
Append_mode	CHAR (1)		Controls how rows is inserted into pages. N = New rows is inserted into existing spaces, if available Y = New rows is appended to the end of the data Initial value is ' N '.
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 is last refreshed (refresh TABLE statement); Null value otherwise.
Locksize	CHAR (1)		Indicates the preferred lock granularity for tables that is accessed by data manipulation Language (DML) statements. Applies to tables only. Possible values are: I = Block Insert R = Row T = Table Blank = Not Applicable Initial value is ' R '.
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 this table has no properties.
Statistics_profile	CLOB (10M)	Y	RUNSTATS command used to register a statistical profiles for the object.
COMPRESSION	CHAR (1)		B = Both value and row compression is activated N = No compression is activated; A row format that does not compression is used R = Row compression is activated; A row format that supports compression might is used V = Value compression is activated; A row format that supports compression is used Blank = Not Applicable
Access_mode	CHAR (1)		Access restriction state of the object. These states only apply to objects that is in set integrity pending state or to objects the were processed by a set INTE Grity statement. Possible values are: D = No Data movement F = Full Access N = No Access R = read-only Access
CLUSTERED	CHAR (1)	Y	Y = Table is multidimensionally clustered (even if only by one dimension) Null value = Table is not multidimensionally clustered
Active_blocks	BIGINT		Total number of active blocks in the table, or-1. Applies to multidimensional Clustering (MDC) tables only.
Droprule	CHAR (1)		N = No Rule R = Restrict rule applies on drop
Maxfreespacesearch	SMALLINT		Reserved.
Avgcompressedrowsize	SMALLINT		Average length (in bytes) of compressed rows in this table; -1 If statistics is not collected.
Avgrowcompressionratio	REAL		For compressed rows in the table, this is the average compression ratio by row; That's, the average uncompressed row length divided by the average compressed row length; -1 If statistics is not collected.
Avgrowsize	SMALLINT		Average length (in bytes) of both compressed and uncompressed rows in this table; -1 If statistics is not collected.
Pctrowscompressed	REAL		Compressed rows as a percentage of the total number of rows in the table; -1 If statistics is not collected.
Logindexbuild	VARCHAR (3)	Y	Level of logging so is to be performed during create, recreate, or reorganize index operations on the table. OFF = Index build operations on the table would be logged minimally On = Index build operations on the table would be logged completely Null value = value of the logindexbuild database configuration parameter'll be used to determine whether or not index build oper Ations is 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 column S.
Encoding_scheme	CHAR (1)		A = CCSID ASCII was specified U = CCSID UNICODE was specified Blank = CCSID clause is not specified
Pctpagessaved	SMALLINT		Approximate percentage of pages saved in the table as a result of row compression. This value includes overhead bytes for each of the user data row in the table, but does does include the space that's consumed by Dictionary overhead; -1 If statistics is not collected.
Last_regen_time	TIMESTAMP		Time at which a 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
DEFINER1	VARCHAR (128)		Authorization ID under which the table, view, alias, or nickname was created.
REMARKS	VARCHAR (254)	Y	user-provided comments, or null.
Notes: The Definer column is included for backwards compatibility. See OWNER.

Db2--syscat. TABLES all Field Descriptions