Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- verb computing, database To
insert rows into adatabase table (if they do not already exist) orupdate them (if they do). - noun computing, database An operation that
inserts rows into adatabase table (if they do not already exist) orupdates them (if they do).
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
Blend of update and insert
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Examples
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'upsert' funtionality in a stored procedure which the JDBC writer would invoke.
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"Mongo. prototype.update = function (ns, query, obj, upsert) {throw \" update not implemented; \ "} \n"
博客园-首页原创精华区 2010
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When both operands are dictionaries, the result is the merge of the dictionaries using upsert semantics.
Dashboard RSS Feed MartinMusatov 2009
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"DBCollection. prototype.update = function (query, obj, upsert, multi) {\n"
博客园-首页原创精华区 2010
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