Some Important PeopleSoft Tools Tables

I have gathered the information from some other site. Hope it will help you !!

PeopleSoft Projects
PSPROJECTDEFN table stores information about projects created in Application Designer.
Try it out:
SELECT * FROM PSPROJECTDEFN
WHERE PROJECTNAME = 'Your_Project_name';
PSPROJECTITEM table stores objects inserted into your Application Designer project.
Try it out:
SELECT * FROM PSPROJECTITEM
WHERE PROJECTNAME = 'Your_Project_name';
Portal Structure
PSPRSMDEFN is a Portal Structure Definition table. A good example is to use this table to find portal path for a specific component.
PSPRSMPERM: Shows the permission lists that are assigned to a portal registry structure (content reference). The permission list name is under field PORTAL_PERMNAME.
XLAT Tables
XLATTABLE: Stores translate values (PeopleSoft version prior to 8.4).
PSXLATDEFN: Stores all fields that have Xlat values. This table does not store any Xlat values.
PSXLATITEM: Stores fields with their actual translate values (PeopleSoft version 8.4 and above).
Record & Field Tables
PSRECDEFN: Stores informations about tables. One row for each table. Field count and record type are two fields that are stored on this table.
CASE RECTYPE
WHEN 0 THEN 'Table'
WHEN 1 THEN 'View'
WHEN 2 THEN 'Derived'
WHEN 3 THEN 'Sub Record'
WHEN 5 THEN 'Dynamic View'
WHEN 6 THEN 'Query View'
WHEN 7 THEN 'Temporary Table'
ELSE TO_CHAR(RECTYPE)
END CASE
PSRECFIELD: Stores records with all their fields (sub-records are not expanded)
PSRECFIELDALL: Stores records with all their fields (sub-records are expanded)
PSINDEXDEFN: Contains 1 row per index defined for a table.
PSKEYDEFN: Containes 1 row per key field defined for an index.
PSDBFIELD: You got it, stores information about fields.
CASE FIELDTYPE
WHEN 0 THEN 'Character'
WHEN 1 THEN 'Long Character'
WHEN 2 THEN 'Number'
WHEN 3 THEN 'Signed Number'
WHEN 4 THEN 'Date'
WHEN 5 THEN 'Time'
WHEN 6 THEN 'DateTime'
WHEN 8 THEN 'Image'
WHEN 9 THEN 'Image Reference'
ELSE TO_CHAR(FIELDTYPE)
END CASE
PSDBFLDLABL: Stores field label information.
Process Definition Table(s)
PS_PRCSDEFNPNL: Stores the process definition name, process type(sqr report, application engine...), and the component name associated with the process definition.
PS_PRCSDEFN: Process definitions table. The record stores processes that can run within the Process Scheduler. Security information such as components and process groups are also stored on this table.
Message Catalog Tables
PSMSGCATDEFN: Stores information about PeopleSoft message catalogs such as message set number, message number and the actual message text.
PSMSGCATLANG: language table.
-- Example
SELECT * FROM PSMSGCATDEFN
WHERE LAST_UPDATE_DTTM > TO_DATE('03-DEC-07', 'DD-MON-YY')
AND LAST_UPDATE_DTTM <> TO_DATE('03-DEC-07', 'DD-MON-YY')
AND LAST_UPDATE_DTTM <>> PeopleTools >> Utilities >> Administration >> URLs
Application Classes
PSAPPCLASSDEFN: Application Class Definitions table. You can use field PACKAGEROOT to search for a specific Application Package.
PeopleSoft Query Tables
PSQRYDEFN: Stores query related info.
PSQRYFIELD: Stores all fields used in a query (both the fields in the Select and Where clause).
PSQRYCRITERIA: Stores criteria query fields. You can get the name of the fields by joining the PSQRYFIELD table.
PSQRYEXPR: Stores query expressions.
PSQRYBIND: Stores query bind variables.
PSQRYRECORD: Stores all records used in all aspects of query creation
PSQRYSELECT: Stores all SELECT requirements by select type. Example would be sub select, join, ect.
PSQRYLINK: Stores the relationships to child queries.
PSQRYEXECLOG: Query run time log table that stores (only 8.4x and higher)
PSQRYSTATS: Query run time statistics table such as count of query execution, and date time of last execution (only in 8.4x and higher).
SQL Objects
PSSQLDEFN: Stores SQL object definitions.
PSSQLDESCR: Stores SQL objects descriptions, and description long.
PSSQLTEXTDEFN: Stores actual SQL text. You can filter by SQLTYPE field to get SQL objects of interest such as Views SQLs and Application Engine SQLs.
-- When SQL type is:
0 = Stand alone SQL objects
1 = Application engine SQL
2 = Views SQLs
Application Engines
PSAEAPPLDEFN: Table that stores Application Engine program definitions.
PSAEAPPLSTATE: Stores application engine STATE records and a flag to indicate if the record is the default STATE record.
PSAESECTDEFN: Application engine section information and also stores last user id to update a specific section.
PSAESECTDTLDEFN: AE section along with descriptions and wither the section is active or not.
PSAEAPPLTEMPTBL: If your application engine uses Temp tables it will show on this record.
PSAESTEPDEFN: Steps in application engines are stored in this table.
PSAESTMTDEFN: Stores your application engine actions and along with their types, such as "Do Select" and so on.
PSAESTEPMSGDEFN: Application engine message action definition table.
AEREQUESTTBL: Application Engine request table behind the AE run control page.
AEREQUESTPARM: Application Engine request parameters table behind the AE run control page.
PeopleCode Tables
PSPCMNAME: PeopleCode Reference table.
PSPCMPROG: Store actual PeopleCode programs (actual code behind PeopleCode events).
Process Request Tables
PSPRCSQUE: This record contains the process request information to run a process request.
PSPRCSRQST: This record contains the process request information to run a process request.
PS_PMN_PRCSLIST: A view to list all process requests in the Process Monitor except for "Delete" (runstatus = 2) process requests.
Other Useful Tables
PSSTATUS: Stores PeopleSoft information such as PS Tools release version and the UNICODE_ENABLED boolean flag where a value of 1 indicates the DB is to be treated by Tools as a UNICODE DB.
PSCHGCTLLOCK: Description as explained by PeopleSoft "This table contains a a row for every object that is currently locked by any user. When the user requests to lock an object in the Application Designer, first this table is searched to see if the object is locked by another user. If it is not found, a row is inserted into the table. When the user requests to unlock an object, the row in this table is deleted."
PSMAPFIELD: Stores Field mapping of Activity
PS_PRCSRUNCNTL: Run Control record stores Run Control IDs created online