: Subject: What is the difference between the "AND" and "+" operator?
In this query, "y" is mandatory, but documents that also match "x" will
score higher then documents that only match "y"...
x +y
In both of these queries, "x" and "y" are both mandatory; a document only
matching one of them will not match the query...
+x +y
x AND y
-Hoss
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