以下是在altibase記憶體資料庫管理過程常用語句：
統計服務執行緒狀態
select type, state, count(*) from v$service_thread group by type, state;
檢視終端會話
select comm_name, count(*) from v$session group by comm_name order by 1 desc;
檢視阻塞會話
select a.comm_name client_ip, client_pid client_pid from v$session a , v$service_thread b where a.service_thread_id=b.id and b.type='dedicated';
查詢前5個用時最多的sql
select query, total_time from v$statement order by 2 desc limit 5;
檢視執行緒配置
select name, value1 from v$property where name like 'multiplexing%';
檢視複製阻塞的情況
select * from v$repgap;
語句鎖v$lock, v$lock_statement, v$lock_wait
檢視資料庫記憶體分配情況
select mem_alloc_page_count , mem_free_page_count from v$database;
檢視記憶體資料庫總的分配大小
select sum(alloc_size) from v$memstat;
檢視表占用的空間
select a.name, b.table_name ,d.fixed_alloc_mem+d.var_alloc_mem mem_alloc_size ,
d.fixed_used_mem+d.var_used_mem used_size
from x$tablespaces a, system_.sys_tables_ b, x$table_info c ,v$memtbl_info d
where b.table_oid=c.table_oid and c.tablespace_id=a.id and d.table_oid=c.table_oid
and b.table_name not like 'sys_%' and b.table_name not like 'next_%'
order by a.name desc , b.table_name asc;
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