Recent questions tagged Full

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full text search - Shards and replicas in Elasticsearch

I am trying to understand what shard and replica is in Elasticsearch, but I didn't manage to understand it. If I ... ? If so why? I could need some explanation. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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full text search - MySQL match() against() - order by relevance and column?

Okay, so I'm trying to make a full text search in multiple columns, something simple like this: SELECT * FROM ... on a LAMP-server. (WAMP in local testing) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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full join时，如何将两表的matchingCols合成一列

在dolphindb database中，有个代码如下： t1= table(1 2 3 3 6 as time, 1.1 2.1 3.1 3.1 6.1 as value) t2 = table(5 3 1 as time, 5.1 3.1 1.1 as ... 1 3 3.1 3.1 3 3.1 3.1 5 5.1 6 6.1 代码应该怎么写？谢谢！...

asked Jan 29, 2021 in Technique[技术] by 深蓝 (71.8m points)

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