我是db2 dba并开始使用SAP HANA。我有两个简单的问题:
select sum(memory_size_in_total/1024/1024) as "total memory " from .....
不允许“总记忆”。
答案 0 :(得分:0)
我刚刚在HANA 2.0 SPS02系统上运行了以下查询
SELECT
TO_VARCHAR(ROUND((FREE_PHYSICAL_MEMORY) / 1024 / 1024 / 1024, 2)) AS MEM,
TO_VARCHAR(ROUND((FREE_SWAP_SPACE) / 1024 / 1024 / 1024, 2)) AS SWAP
FROM
PUBLIC.M_HOST_RESOURCE_UTILIZATION
然后
SELECT
TO_VARCHAR(ROUND((FREE_PHYSICAL_MEMORY) / 1024 / 1024 / 1024, 2)) AS "TOTAL MEM",
TO_VARCHAR(ROUND((FREE_SWAP_SPACE) / 1024 / 1024 / 1024, 2)) AS "TOTAL SWAP"
FROM
PUBLIC.M_HOST_RESOURCE_UTILIZATION
两者都返回相同的响应且没有错误,这也是在Eclipse Oxygen中使用最新版本的HANA插件。