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VIEW: SYS.ALL_TAB_COLUMNS

Object Details
Object Name: ALL_TAB_COLUMNS
Object Type: VIEW
Owner: SYS
Subobject Name:
Status: VALID

Columns of user's tables, views and clusters

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Columns
Name Datatype Length Mandatory Comments
OWNER VARCHAR2 (128) Yes
TABLE_NAME VARCHAR2 (128) Yes Table, view or cluster name
COLUMN_NAME VARCHAR2 (128) Yes Column name
DATA_TYPE VARCHAR2 (128)
Datatype of the column
DATA_TYPE_MOD VARCHAR2 (3)
Datatype modifier of the column
DATA_TYPE_OWNER VARCHAR2 (128)
Owner of the datatype of the column
DATA_LENGTH NUMBER
Yes Length of the column in bytes
DATA_PRECISION NUMBER

Length: decimal digits (NUMBER) or binary digits (FLOAT)
DATA_SCALE NUMBER

Digits to right of decimal point in a number
NULLABLE VARCHAR2 (1)
Does column allow NULL values?
COLUMN_ID NUMBER

Sequence number of the column as created
DEFAULT_LENGTH NUMBER

Length of default value for the column
DATA_DEFAULT LONG (0)
Default value for the column
NUM_DISTINCT NUMBER

The number of distinct values in the column
LOW_VALUE RAW (1000)
The low value in the column
HIGH_VALUE RAW (1000)
The high value in the column
DENSITY NUMBER

The density of the column
NUM_NULLS NUMBER

The number of nulls in the column
NUM_BUCKETS NUMBER

The number of buckets in histogram for the column
LAST_ANALYZED DATE

The date of the most recent time this column was analyzed
SAMPLE_SIZE NUMBER

The sample size used in analyzing this column
CHARACTER_SET_NAME VARCHAR2 (44)
Character set name
CHAR_COL_DECL_LENGTH NUMBER

Declaration length of character type column
GLOBAL_STATS VARCHAR2 (3)
Are the statistics calculated without merging underlying partitions?
USER_STATS VARCHAR2 (3)
Were the statistics entered directly by the user?
AVG_COL_LEN NUMBER

The average length of the column in bytes
CHAR_LENGTH NUMBER

The maximum length of the column in characters
CHAR_USED VARCHAR2 (1)
C if maximum length is specified in characters, B if in bytes
V80_FMT_IMAGE VARCHAR2 (3)
Is column data in 8.0 image format?
DATA_UPGRADED VARCHAR2 (3)
Has column data been upgraded to the latest type version format?
HISTOGRAM VARCHAR2 (15)
DEFAULT_ON_NULL VARCHAR2 (3)
Is this a default on null column?
IDENTITY_COLUMN VARCHAR2 (3)
Is this an identity column?
EVALUATION_EDITION VARCHAR2 (128)
Name of the evaluation edition assigned to the column expression
UNUSABLE_BEFORE VARCHAR2 (128)
Name of the oldest edition in which the column is usable
UNUSABLE_BEGINNING VARCHAR2 (128)
Name of the oldest edition in which the column becomes perpetually unusable
Query Text

Cut, paste (and edit) the following text to query this object:


SELECT OWNER
,      TABLE_NAME
,      COLUMN_NAME
,      DATA_TYPE
,      DATA_TYPE_MOD
,      DATA_TYPE_OWNER
,      DATA_LENGTH
,      DATA_PRECISION
,      DATA_SCALE
,      NULLABLE
,      COLUMN_ID
,      DEFAULT_LENGTH
,      DATA_DEFAULT
,      NUM_DISTINCT
,      LOW_VALUE
,      HIGH_VALUE
,      DENSITY
,      NUM_NULLS
,      NUM_BUCKETS
,      LAST_ANALYZED
,      SAMPLE_SIZE
,      CHARACTER_SET_NAME
,      CHAR_COL_DECL_LENGTH
,      GLOBAL_STATS
,      USER_STATS
,      AVG_COL_LEN
,      CHAR_LENGTH
,      CHAR_USED
,      V80_FMT_IMAGE
,      DATA_UPGRADED
,      HISTOGRAM
,      DEFAULT_ON_NULL
,      IDENTITY_COLUMN
,      EVALUATION_EDITION
,      UNUSABLE_BEFORE
,      UNUSABLE_BEGINNING
FROM SYS.ALL_TAB_COLUMNS;

Dependencies

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SYS.ALL_TAB_COLUMNS references the following:

SchemaSYS
ViewALL_TAB_COLS
SYS.ALL_TAB_COLUMNS is referenced by following:

SchemaAPPS
Package BodyAMS_LISTSOURCETYPE_PVT - show dependent code
Package BodyAMS_LIST_RUNNING_TOTAL_PVT - show dependent code
Package BodyAMS_LIST_SRC_FIELD_PVT - show dependent code
Package BodyBEN_DM_CREATE_CONTROL_FILES - show dependent code
Package BodyBEN_DM_GEN_DOWNLOAD - show dependent code
Package BodyBEN_DM_GEN_UPLOAD - show dependent code
Package BodyBEN_DM_UTILITY - show dependent code
Package BodyCSC_PROFILE_VARIABLE_PVT - show dependent code
Package BodyEGO_ITEM_BULKLOAD_PKG - show dependent code
Package BodyEGO_USER_ATTRS_COMMON_PVT - show dependent code
Package BodyFND_CONC_TEMPLATES - show dependent code
Package BodyHRI_BPL_PERF_RATING - show dependent code
Package BodyHZ_MERGE_DICTIONARY_PKG - show dependent code
Package BodyHZ_MIXNM_DYNAMIC_PKG_GENERATOR - show dependent code
Package BodyHZ_MIXNM_REGISTRY_PUB - show dependent code
Package BodyHZ_PARTY_MERGE - show dependent code
Package BodyHZ_PURGE - show dependent code
Package BodyHZ_SEED_CLASS_CAT_PKG - show dependent code
Package BodyJL_CO_FA_PURGE_PKG - show dependent code
SchemaPUBLIC
SynonymALL_TAB_COLUMNS
SchemaSYS
ViewALL_APPLY_CONFLICT_COLUMNS
ViewALL_APPLY_KEY_COLUMNS
ViewALL_APPLY_TABLE_COLUMNS
ViewALL_REPCOLUMN
ViewALL_REPFLAVOR_COLUMNS
ViewALL_REPGROUPED_COLUMN
ViewALL_REPPARAMETER_COLUMN
ViewALL_SOURCE_TAB_COLUMNS
ViewDBA_SOURCE_TAB_COLUMNS
Package BodyDBMS_COMPARISON - show dependent code
Package BodyDBMS_CUBE_LOG - show dependent code
Package BodyDBMS_PICKLER - show dependent code
Package BodyDBMS_REPCAT_CONF - show dependent code
Package BodyDBMS_REPCAT_UTL - show dependent code
Package BodyDBMS_SWRF_INTERNAL - show dependent code
Package BodyDMP_SEC - show dependent code
Package BodyPRVT_COMPRESSION - show dependent code
ViewUSER_PUBLISHED_COLUMNS
ViewUSER_SOURCE_TAB_COLUMNS
View_ALL_REPCOLUMN
View_ALL_REPGROUPED_COLUMN
View_ALL_REPPARAMETER_COLUMN