Questions tagged with Amazon Redshift
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Hi,
I am trying to migrate a table from Postgres to Redshift using a migration task
Simplified table structure:
| Name | Type |
| --- | --- |
| id | integer |
| time | timestamp with time zone |
|...
0
answers
0
votes
119
views
asked 8 months agolg...
Signed up for Redshft Serverless trial.
I run a proc that selects 4 columns from 110 records into a temp table, then stages replacement rows in a second temp table as it walks through the first temp...
1
answers
0
votes
720
views
asked 9 months agolg...
I have materialized view mv_abc123 on kinesis stream. When I query the SYS_VACUUM_HISTORY, I found lots of records about table mv_tbl__mv_abc123__0. most of them are vacuum deletes. This confused...
1
answers
0
votes
295
views
asked 9 months agolg...
I've created a dedicated IAR role with all the necessary policies to access the redshift and assigned it to my lambda. And also added tags "RedshiftDbRoles". I created a role in the workbench and...
1
answers
0
votes
639
views
asked 9 months agolg...
Is there any way to use a federated query against MySQL against a table whose name requires MySQL backtick escape characters or that has a column name that require escaping?
I have a column in a...
1
answers
0
votes
551
views
asked 9 months agolg...
I have converted a json format file in parquet, I can see the parquet file and the columns, but while querying with Athena getting error.
HIVE_UNKNOWN_ERROR: Path is not absolute:...
1
answers
0
votes
294
views
asked 9 months agolg...
Subject says it all. Is there a way to NOT have 000 appended to the filename given in the UNLOAD command when PARALLEL is set to OFF? I've tried EXTENSION but this seems to append the extension given...
Accepted AnswerAmazon Redshift
2
answers
0
votes
876
views
asked 9 months agolg...
Redshift - Four ra3.4xlarge vs a single ra3.16xlarge - what is the performance advantage (if any)?lg...
if i am experiencing long running queries and 100% CPU utilization once a day, would moving from four ra3.4xlarge to a single ra3.16xlarge help?
1
answers
0
votes
384
views
asked 9 months agolg...
Is it currently possible to use Zero-ETL Integrations between Aurora PostgreSQL and Redshift. These Database Instances are in 2 different AWS Account.
If this is not possible, how do I replicate the...
1
answers
0
votes
490
views
asked 9 months agolg...
Hi,
What is the easiest way of accessing data held in a Timestream table from a provisioned Redshift cluster (e.g. to run SQL queries against this table and combine this with other data stored with...
1
answers
0
votes
424
views
asked 9 months agolg...
I have a scenario in which I want to test my redshift workload there could be a possibility of a query load with 40k/hour. I created a python script that will execute the sample queries by...
1
answers
0
votes
999
views
asked 9 months agolg...
Hello.
We have tried the new Zero-ETL integration for the Redshift cluster which is preview now and it's great, except it does not support some RDS MySQL data types (unsigned numeric, JSON, etc.).
So,...
2
answers
1
votes
519
views
asked 9 months agolg...