hadoop tag

5 questions

1 answers
116 views
0

FAILED: ParseException line 1:2 cannot acknowledge input near '('Select' '*'.

FAILED: ParseException line 1:2 cannot acknowledge input near' ('Select' *'said he.What's wrong?( Select * , Cast(Concat(Substr(timestamp, 1, 4), '-', Substr(timestamp, 5, 2), '-', Substr(timestamp, 7...

amazon hadoop

2 years ago

1 answers
116 views
0

You want to prevent deleting the parent directory (you can delete the child directory)

Thank you for your help.The questions will be asked in two stages.Suppose you have the following directory structure:/parent/user1/parent/user2/parent/user3Each user can delete his or her directory, b...

linux filesystems hadoop

2 years ago

1 answers
154 views
0

I want to learn how to handle big data using Hadoop. Please recommend a good textbook or website

I'm trying to study big data, but I'm totally ignorant. It's just a programmatic concept I don't know anything about clustering, nodes. I would like to learn using Hadoop, so please recommend a good t...

hadoop bigdata

2 years ago

1 answers
135 views
0

Can I link the mssql of azure in Hue?

Ubuntu server is using spark. I installed hue, for scheduling and monitoringhue seems to support mysql, postgresql, and sqlite by default.How can I use it in conjunction with mssql of azure in hue?

mssql sql-server hadoop

2 years ago

1 answers
86 views
0

I'm using DBeaver, how can I copy the database?

DBeaver is using this and that database.By the way, I want to copy the database that I use by accessing DBeaver from another remote computer.How should I do it?

database postgresql hadoop mysql mssql

2 years ago

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