Learning with xdmp:query-trace()
The xdmp:query-trace() function is a useful tool in helping to understand how MarkLogic evaluates queries. Why does a query run fast or slow?
Good XML design and performance
There are lots of good reasons to use descriptive, unique element names whenever possible, and doing so plays nicely with human readers, XQuery, XSLT, XML Schemas, and MarkLogic Server.
XQuery Coding Guidelines
Code gets read more often than it gets written, so how it gets laid out on the screen is a critical component of maintainability. When a project involves more than one person checking in code, it gets even more important. So, here’s a peek inside the MarkLogic Engineering team’s process — our set of agreed-upon guidelines […]
Punctuation in XPath, part 5: “//”
Previous posts in this series: Punctuation in XPath, part 1: dot (“.”) Punctuation in XPath, part 2: slash (“/”) Punctuation in XPath, part 3: “@” and “..” Punctuation in XPath, part 4: predicates (“[…]”) In this final blog of the series on XPath punctuation, we’ll learn about the “//” operator, a convenient shorthand for selecting […]
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