nvl
Is there a function equivalent to the Oracle's NVL in MySQL?
I\'m selecting the max of a column from a table. But there is one problem: if there are no rows in the table, it returns null.[详细]
2023-03-31 11:09 分类：问答oracle query help using NVL similar function to set default
How do I rewrite this oracle query, in the case I have no rows returned and want to hardcode a default value of \'0\' for a countand the sysdate information?[详细]
2023-03-23 06:29 分类：问答Using NVL function in SQL, please help!
I\'m needing to select first and last name in a table which is working fine in the following SQL, but the part that isn\'t working is the NVL function. The file should show all pilots at a company tha[详细]
2023-01-02 19:11 分类：问答Coalesce equivalent in Hibernate Criteria query?
I want to write the following query as a Hibernate Criteria query: select to_char(nvl(ol.updated_datetime, ol.created_datetime), \'dd/mm/yyyy\'), sum(discount_price)[详细]
2022-12-30 18:38 分类：问答Not sure how to use Decode, NVL, and/or isNull (or something else?) in this situation
I have a table of orders for particular products, and a table of products that are on sale. (It\'s not ideal database structure, but that\'s out of my control.) What I want to do is outer join the ord[详细]
2022-12-30 09:30 分类：问答Why does NVL always evaluate 2nd parameter
Does anyone know, why Oracle\'s NVL (and NVL2) function always evaluate the second parameter, even if the first parameter is not NULL?[详细]
2022-12-16 04:30 分类：问答
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