"string" if the key contains a String value
"list" if the key contains a List value
"set" if the key contains a Set value
+"zset" if the key contains a Sorted Set value
+"hash" if the key contains a Hash value
</pre><h2><a name="See also">See also</a></h2>
<ul><li> <a href="DataTypes.html">Redis Data Types</a></li></ul>
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