Monday, February 24, 2014

Informatica PowerCenter Repository tables

Informatica PowerCenter Repository tables
OPB_SUBJECT - PowerCenter folders table
This table stores the name of each PowerCenter repository folder.
Usage: Join any of the repository tables that have SUBJECT_ID as column with that of SUBJ_ID in this table to know the
folder name.
OPB_MAPPING - Mappings table
This table stores the name and ID of each mapping and its corresponding folder.
Usage: Join any of the repository tables that have MAPPING_ID as column with that of MAPPING_ID in this table to know
the mapping name.
OPB_TASK - Tasks table like sessions, workflow etc
This table stores the name and ID of each task like session, workflow and its corresponding folder.
Usage: Join any of the repository tables that have TASK_ID as column with that of TASK_ID/SESSION_ID in this table toknow the task name. Observe that the session and also workflow are stored as tasks in the repository. TASK_TYPE for
session is 68 and that of the workflow is 71.
OPB_SESSION - Session & Mapping linkage table
This table stores the linkage between the session and the corresponding mapping. As informed in the earlier paragraph,
you can use the SESSION_ID in this table to join with TASK_ID of OPB_TASK table.
OPB_TASK_ATTR - Task attributes tables
This is the table that stores the attribute values (like Session log name etc) for tasks.
Usage: Use the ATTR_ID of this table to that of the ATTR_ID of OPB_ATTR table to find what each attribute in this table
means. You can know more about OPB_ATTR table in the next paragraphs.
OPB_WIDGET - Transformations table
This table stores the names and IDs of all the transformations with their folder details.
Usage: Use WIDGET_ID from this table to that of the WIDGET_ID of any of the tables to know the transformation name
and the folder details. Use this table in conjunction with OPB_WIDGET_ATTR or OPB_WIDGET_EXPR to know more about
each transformation etc.
OPB_WIDGET_FIELD - Transformation ports table
This table stores the names and IDs of all the transformation fields for each of the transformations.
Usage: Take the FIELD_ID from this table and match it against the FIELD_ID of any of the tables like OPB_WIDGET_DEP
and you can get the corresponding information.
OPB_WIDGET_ATTR - Transformation properties table
This table stores all the properties details about each of the transformations.
Usage: Use the ATTR_ID of this table to that of the ATTR_ID of OPB_ATTR table to find what each attribute in this
transformation means.

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