Return a value if no rows are found SQL
Werbung / Advertisements What actually happens when you run a SQL query that doesn’t return any rows? For example, think of a WHERE clause with the condition 1=2, which can never be fulfilled and...
Tagged: SQL Example
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SQL IN List – Multi-value comparison IN List
SQL IN list Werbung / Advertisements SQL IN Statement (IN lists) can only process and validate 1000 values. Everything about it returns an error. Here’s an example to demonstrate an IN list. Here only...
SQL Default Value if no row is returned
Werbung / Advertisements Sometimes default values are necassary. Normally you can use NVL or NVL2 when you get NULL values as return value. But it is also possible, that no row is returned. In...
