Diccionario de Datos

Descripcin de los diccionarios de datos "ms importantes" en Oracle 11g EE

1 Pier Alessandro Finazzi - http://pierfinazzi.wordpress.com

NOTA: las columnas de los DD, estn obtenidas de una versin 11g, hay algunas de las que no he encontrado la descripcin, o que incluso no figuran en la pgina que he utilizado para sacar las descripciones.

DBA_USERS: Todos los usuarios de la BD. USERNAME: Name of the user

USER_ID: ID number of the user

PASSWORD: Encrypted password

ACCOUNT_STATUS: LOCK_DATE: EXPIRY_DATE: DEFAULT_TABLESPACE: Default tablespace for data

TEMPORARY_TABLESPACE: Default tablespace for temporary tables

CREATED: User creation date

PROFILE: User resource profile name

INITIAL_RSRC_CONSUMER_GROUP: User's initial consumer group

EXTERNAL_NAME: User external name

PASSWORD_VERSIONS:

EDITIONS_ENABLED:

AUTHENTICATION_TYPE:

DBA_TS_QUOTAS: Cuotas de tablespace de los usuarios. TABLESPACE_NAME: Tablespace name

USERNAME: User with resource rights on the tablespace

BYTES: Number of bytes charged to the user

MAX_BYTES: User's quota in bytes. NULL if no limit

BLOCKS: Number of ORACLE blocks charged to the user

MAX_BLOCKS: User's quota in ORACLE blocks. NULL if no limit

DROPPED:

DBA_SYS_PRIVS: Privilegios de sistema concedidos a usuarios o roles. GRANTEE: Grantee Name,User or Role receiving the grant

PRIVILEGE: System privilege

ADMIN_OPTION: Grant was with the ADMIN option

DBA_TAB_PRIVS: Privilegios sobre objetos concedidos a usuarios o roles. GRANTEE: User to whom access was granted

OWNER: Owner of the object

TABLE_NAME: Name of the object

GRANTOR: Name of the user who performed the grant

PRIVILEGE: Table Privilege

GRANTABLE: Privilege is grantable

HIERARCHY: Privilege is with hierarchy option




DBA_ROLES: Todos los roles de la BD ROLE: Role Name

PASSWORD_REQUIRED: Indicates if the role requires a password to be

enabled

AUTHENTICATION_TYPE:

DBA_ROLE_PRIVS: Roles concedidos a usuarios. GRANTEE: Grantee Name,User or Role receiving the grant

GRANTED_ROLE: Granted role name


DEFAULT_ROLE: Role is designated as a DEFAULT ROLE for the user

ROLE_ROLE_PRIVS: Roles concedidos a otros roles. ROLE: Role Name

GRANTED_ROLE: Role which was granted


DBA_TABLESPACES: descripcin de los tablespaces. TABLESPACE_NAME: Tablespace name

BLOCK_SIZE: Tablespace block size

INITIAL_EXTENT: Default initial extent size

NEXT_EXTENT: Default incremental extent size

MIN_EXTENTS: Default minimum number of extents

MAX_EXTENTS: Default maximum number of extents

MAX_SIZE:

PCT_INCREASE: Default percent increase for extent size

MIN_EXTLEN: Minimum extent size for the tablespace

STATUS: "Tablespace status: "ONLINE","OFFLINE" or "READ

CONTENTS: Tablespace contents: "PERMANENT" or "TEMPORARY" or "UNDO"

LOGGING: Default logging attribute

FORCE_LOGGING: Tablespace force logging mode

EXTENT_MANAGEMENT: Extent management tracking: "DICTIONARY" or "LOCAL"

ALLOCATION_TYPE: Type of extent allocation in effect for this tablespace

PLUGGED_IN:

SEGMENT_SPACE_MANAGEMENT: Segment space management tracking: "AUTO" or

"MANUAL

DEF_TAB_COMPRESSION:

RETENTION:

BIGFILE:

PREDICATE_EVALUATION:

ENCRYPTED:

COMPRESS_FOR:




DBA_PROFILES: muestra los perfiles y sus lmites. PROFILE: Profile name

RESOURCE_NAME: Resource name

RESOURCE_TYPE:

LIMIT: Limit placed on this resource for this profile

DBA_DATA_FILES: informacin a cerca de los ficheros de archivos de la base de datos FILE_NAME: Name of the database data file

FILE_ID: ID of the database data file

TABLESPACE_NAME: Name of the tablespace to which the file belongs

BYTES: Size of the file in bytes

BLOCKS: Size of the file in ORACLE blocks

STATUS: File status: "INVALID" or "AVAILABLE"

RELATIVE_FNO: Tablespace-relative file number

AUTOEXTENSIBLE: Autoextensible indicator: "YES" or "NO"

MAXBYTES: Maximum size of the file in bytes

MAXBLOCKS: Maximum size of the file in ORACLE blocks

INCREMENT_BY: Default increment for autoextension

USER_BYTES: Size of the useful portion of file in bytes

USER_BLOCKS: Size of the useful portion of file in ORACLE blocks

ONLINE_STATUS:

DBA_INDEXES: descripcin de todos los ndices de la base de datos. OWNER: Username of the owner of the index

INDEX_NAME: Name of the index

INDEX_TYPE:

TABLE_OWNER: Owner of the indexed object

TABLE_NAME: Name of the indexed object

TABLE_TYPE: Type of the indexed object

UNIQUENESS: Uniqueness status of the index: "UNIQUE","NONUNIQUE" or

"BITMAP"

COMPRESSION: Compression property of the index: "ENABLED","DISABLED" or

NULL

PREFIX_LENGTH: Number of key columns in the prefix used for compression

TABLESPACE_NAME: Name of the tablespace containing the index

INI_TRANS: Initial number of transactions

MAX_TRANS: Maximum number of transactions

INITIAL_EXTENT: Size of the initial extent

NEXT_EXTENT: Size of secondary extents

MIN_EXTENTS: Minimum number of extents allowed in the segment

MAX_EXTENTS: Maximum number of extents allowed in the segment

PCT_INCREASE: Percentage increase in extent size

PCT_THRESHOLD: Threshold percentage of block space allowed per index

entry

INCLUDE_COLUMN: User column-id for last column to be included in index-

only table top index

FREELISTS: Number of process freelists allocated in this segment

FREELIST_GROUPS: Number of freelist groups allocated to this segment



PCT_FREE: Minimum percentage of free space in a block

LOGGING: Logging attribute

BLEVEL: B-Tree level

LEAF_BLOCKS: The number of leaf blocks in the index

DISTINCT_KEYS: The number of distinct keys in the index

AVG_LEAF_BLOCKS_PER_KEY: The average number of leaf blocks per key

AVG_DATA_BLOCKS_PER_KEY: The average number of data blocks per key

CLUSTERING_FACTOR: A measurement of the amount of (dis)order of the table

this index is for

STATUS: Whether non-partitioned index is in UNUSABLE state or not

NUM_ROWS:

SAMPLE_SIZE: The sample size used in analyzing this index

LAST_ANALYZED: The date of the most recent time this index was analyzed

DEGREE: The number of threads per instance for scanning the partitioned

index

INSTANCES: The number of instances across which the partitioned index is

to be scanned

PARTITIONED: Is this index partitioned? YES or NO

TEMPORARY: Can the current session only see data that it place in this

object itself?

GENERATED: Was the name of this index system generated?

SECONDARY: Is the index object created as part of icreate for domain

indexes?

BUFFER_POOL: The default buffer pool to be used for index blocks

FLASH_CACHE:

CELL_FLASH_CACHE:

USER_STATS: Were the statistics entered directly by the user?

DURATION: If index on temporary table,then duration is sys$session or

sys$transaction else NULL

PCT_DIRECT_ACCESS: If index on IOT,then this is percentage of rows with

Valid guess

ITYP_OWNER: If domain index,then this is the indextype owner

ITYP_NAME: If domain index,then this is the name of the associated

indextype

PARAMETERS: If domain index,then this is the parameter string

GLOBAL_STATS: Are the statistics calculated without merging underlying

partitions?

DOMIDX_STATUS: Is the indextype of the domain index valid

DOMIDX_OPSTATUS: Status of the operation on the domain index

FUNCIDX_STATUS: Is the Function-based Index DISABLED or ENABLED?

JOIN_INDEX: Is this index a join index?

IOT_REDUNDANT_PKEY_ELIM:

DROPPED:

VISIBILITY:

DOMIDX_MANAGEMENT:

SEGMENT_CREATED:

DBA_IND_COLUMNS: COLUMNs comprising INDEXes on all TABLEs and CLUSTERs INDEX_OWNER: Index owner

INDEX_NAME: Index name

TABLE_OWNER: Table or cluster owner

TABLE_NAME: Table or cluster name

COLUMN_NAME: Column name or attribute of object column

COLUMN_POSITION: Position of column or attribute within index



COLUMN_LENGTH: Maximum length of the column or attribute,in bytes

CHAR_LENGTH: Maximum length of the column or attribute,in characters

DESCEND: DESC if this column is sorted in descending order on

disk,otherwise ASC

DBA_FREE_SPACE: Extensiones disponibles en cada tablespace. DBA_EXTENTS: Extensiones de cada segmento. DBA_ROLLBACK_SEGS: Segmentos de rollback DBA_SEGMENTS: Segmentos de cada tablespace. DBA_TEMP_FILES: Ficheros para los tablespaces temporales. DBA_SEQUENCES: descripcin de las secuencias en la base de datos.

Fuente: http://ss64.com/orad/

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Diccionario de Datos