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--- tutorials:basic-to-advanced-xl-queries [2024/12/06 08:11] – [Relational queries] tim2
+++ tutorials:basic-to-advanced-xl-queries [2025/01/10 11:14] (current) – gaetan
@@ Line 325: / Line 325: @@
 </code>
-Besides the pattern of edges and nodes, it is also possible to add concatenate boolean conditions, if they are added in brackets (). In this case the boolean condition is actually the [[groimp-platform:xl-operators|XL-operator]] empty, which returns true if no the query inside does not find any match.
+Besides the pattern of edges and nodes, it is also possible to add concatenate boolean conditions, if they are added in brackets (). In this case the boolean condition is actually the [[:groimp-platform:xl-builtin-methods|XL builtin method]] empty, which returns true if no the query inside does not find any match.