How to resolve ora 01427 single row subquery returns more than one row?
The first is to rewrite the query so that the subquery will only return a single row, thus eliminating the source of the error. This will require a user to rethink how they wish to acquire the data that they were initially searching for. Lees verder »
What happens if a single row subquery returns more than one row?
When you get the error "single-row subquery returns more than one row", it means you are only expecting one result from the query, However, it is returning more than 1 result. In the applimation log, check which query is causing this issue. Lees verder »
What's the difference between a single row subquery and a multiple-row subquery?
Single-Row Subquery: Returns a single row of data as output to the parent query. Typically used with SQL SELECT statements. Multiple-Row Subquery: Returns multiple rows of data as output to the parent query and can be used with various SQL clauses and logical operators. Lees verder »
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