If a table is created in a database that does not have permanent journaling activated, you can activate its journaling with ALTER TABLE. To do this, you must alter the table to include a journaling option such as AFTER JOURNAL or BEFORE JOURNAL or both. As soon as the ALTER TABLE request completes successfully, permanent journaling is activated for that table.
To determine which tables in your Teradata Database are journal tables, use the following query.
SELECT DBC.dbase.databasename (FORMAT 'X(15)'), DBC.tvm.tvmname (FORMAT 'X(25)') FROM DBC.tvm,DBC.dbase WHERE DBC.dbase.databaseid=DBC.tvm.databaseid AND DBC.tvm.tablekind='j' ORDER BY 1,2;
To determine which databases and users in your Teradata Database currently have a default journal table defined for them, use the following query.
SELECT d.databasename (TITLE'Database'), TRIM(dx.databasename) ||'.'||TRIM(t.tvmname)(TITLE 'Journal') FROM DBC.dbase AS d, DBC.TVM AS t, DBC.dbase AS dx WHERE d.journalid IS NOT NULL AND d.journalid <> '00'xb AND d.journalid = t.tvmid AND t.databaseid = dx.databaseid ORDER BY 1;
To determine which tables in your Teradata Database are currently being journaled, use the following query.
SELECT TRIM(Tables_DB)||'.'||TableName (TITLE 'Table', CHARACTER(26)),'Assigned To' (TITLE ' '),TRIM(journals_db) ||'.'||JournalName (TITLE 'Journals', CHARACTER(26)) FROM DBC.JournalsV ORDER BY 1,2;
You can also determine which tables in your system are currently being journaled using the following query that has a somewhat different syntax.
SELECT TRIM(d.databasename)||'.'||TRIM(t.tvmname) (FORMAT 'x(45)',TITLE 'Table'),TRIM(dj.databasename) ||'.'||TRIM(tj.tvmname) (TITLE 'Journal') FROM DBC.TVM AS t, DBC.TVM AS tj, DBC.dbase AS d, DBC.dbase AS dj WHERE t.journalid IS NOT NULL AND t.journalid <> '00'xb AND t.journalid = tj.tvmid AND d.databaseid = t.databaseid AND dj.databaseid = tj.databaseid ORDER BY 1;
Also see CREATE DATABASE, CREATE USER, MODIFY DATABASE, and MODIFY USER.