clause
Prolog - Declaring arithmetic clauses
A simple question, how would I go about declaring a clause which would produce the number specified +1 +2 and +3? I have tried:[详细]
2022-12-22 10:13 分类:问答mysql php query HAVING clause
Im trying to get this query to work but i get this error: Unknown column \'zips.city\' in \'having clause\'[详细]
2022-12-21 11:13 分类:问答Prolog: How to produce a multiple answer output?
Given: fruitid(\'Apple\', \'Granny Smith\', 1). How would I go abo开发者_开发知识库ut creating the clause:[详细]
2022-12-20 23:03 分类:问答Separate clauses of an if statement?
Is there any way to have multiple clauses in an if() statement? For instance: if( ($username==\'textUser\' && $role==\'admin\') || ($admin==\'yes\'))[详细]
2022-12-18 23:33 分类:问答How to Optimize the Use of the "OR" Clause When Used with Parameters (SQL Server 2008)
I wonder if there is any wise way to rewrite the following query so that the indexes on columns get used by optimizer?[详细]
2022-12-18 06:23 分类:问答Oracle OCI: Query with Date field
Client compiled with OCI: 10.2.0.4.0 Server: Oracle9i Enterprise Edition Release 9.2.0.4.0 The problematic query is:[详细]
2022-12-16 06:42 分类:问答Zend framework SQL select query construction (ORDER BY)
I have a database with VAR开发者_JAVA百科CHAR column url. I would like to fetch rows so that the ones that have any url value have priority over other rows, but are ordered by date row (descending), s[详细]
2022-12-14 16:40 分类:问答