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Tag: join

How update row with inner joins

I have this select statement where I found two rows, and I want to update a specific column: I have tried: How do I correctly construct the update query? SOLUTION: Answer Just put your query as a table: Here is a demo: DEMO

JOIN with OR condition and use only MIN(Column)

I have two tables. Certain values from table t need to be matched with certain values of table m in order to identify a target value from table m. Table t looks as follows. Table m looks as follows. The logic should be as follows: Column A from table t should be matched with column matchA from table m and

SQL many joins many to many

I have 5 tables: Table Reports Many to many table ReportsIpRel Table of InfoProviders Many to many table QueriesIpRel And table of Queries The SELECT I am trying to achieve is the following: I tried many left/inner joins like this: but all for nothing. I have to use where condition: WHERE report_Id = ‘2’ /EXAMPLE I’m trying to do this

Cross Join in Hive

I’m trying to create a new column time_period while running the query below. If the date difference between a given transaction and the most recent transaction in the reference table is fewer than 7 days, then mark it as a recent transaction, else mark it as an old transaction. However, the query below is generating an error in the subquery

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