How to list all the tables in a MaxDB instance?
In releases < 7.6, you can only see the tables you have privileges on. Starting with release 7.6, the sysdba can see the tables of all users with the following select:
select * from tables
How many user task are running?
select count(*) from SYSMON_TASK where TASKTYPE = 'User'
How many pages a table uses?
For releases < 7.6:
select * from ESTIMATED_PAGES ORDER BY ESTIMATED_PAGES DESC
Starting with release 7.6 the following select should give you exact values (and be at least as fast as the select on ESTIMATED_PAGES):
select * from files f, tables t where f.fileid = t.tableid
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