How do I import inet or uudi data as null from csv file? - postgresql

I am using DBeaver tool for import csv file into postgres database. When Iam trying to import csv file which is having column (inet datatype) as null. Then I am getting the below error. Please let me know how to fix this in excel ?
Error occurred during SQL query execution
Reason:
SQL Error [22P02]: ERROR: invalid input syntax for type integer: ""
Position: 468

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Redshift Json extract path text

Hi I was using this code to extract data from a column it was working, but I am now getting an error message. Any input is appreciated.
SQL Error [XX000]: ERROR: JSON parsing error
Detail:
error: JSON parsing error
code: 8001
context: invalid json object false
query: 6047879
location: funcs_json.hpp:127
process: query1_117_6047879 [pid=6614]
select json_extract_path_text (info,'device_category') as device_category
from admin.project

Try to import a database with sql script file

I try to import the small database from this website:
https://postgrespro.com/docs/postgrespro/12/demodb-bookings-installation
in Postgresql. I tried the restore button and choosed the sql file but it fails with the message:
"pg_restore: Error: Input file is apparently a dump in text format. Please use psql".
Then I tried to run the sql command from the file in the sql query, but it fails with the message:
"invalid byte sequence for encoding "UTF8".
Does anybody know how I can import it? Thx in advance!

Error while copying data or importing data from CSV into PostgreSQL

I have a CSV file -- > named -- myWidechar1.csv and the data in it is as follows:
1~"ϴAnthony"~"Grosse"~"1980-02-23"~"65000.00"
2~"❤Alica"~"Fatnowna"~"1963-11-14"~"45000.00"
3~"☎Stella"~"Rossenhain"~"1992-03-02"~"120000.00"
Copy Command in PostgreSQL is as follows:
Copy dbo.myWidechar From 'D:\temp\myWidechar1.csv' DELIMITER '~' null as 'null' encoding 'windows-1251' CSV; select 1;
But problem is I am getting the below error while importing data into PostgreSQL:
ERROR: invalid byte sequence for encoding "WIN1251": 0x00 CONTEXT:
COPY mywidechar, line 3 SQL state: 22021
I need the data to remain same even in PostgreSQL as I am migrating data from SQL Server 2000 instance.
Can some one please help me in resolving this issue ?

Unable to load CSV file in postgresq due to column of relation does not exist

I have a csv file :
SrNo,TradeDate,TradeTime,SettlementNo
1,25-Apr-17,14:48:19,NSE-N-2017077
2,05-May-17,09:33:28,NSE-N-2017084
I am trying to upload this file using the command:
copy public.shares(SrNo,TradeDate,TradeTime,SettlementNo) from 'C:/Users/Dell/Downloads/report_jul2018.csv' with csv header;
It is giving the error:
ERROR: column "srno" of relation "shares" does not exist SQL state: 42703
Any solution?

Error on using copy Command in Postgres (ERROR: invalid input syntax for type date: "")

I have a CSV file from which I am trying to use Postgres COPY command in order to populate a table from that CSV file. One of the table columns NEXT_VISIT is of a date data_type. Some of the corresponding fields in the CSV file which are supposed to go into this date column have null values.
The Copy command am running is like so:
COPY "VISIT_STAGING_TABLE" from E'C:\\Users\\Sir Codealot\\Desktop\\rufijihdss-2007-2010\\rufijihdss\\VISIT_TEST.CSV' CSV HEADER
When I run this command I get the error:
ERROR: invalid input syntax for type date: ""
CONTEXT: COPY VISIT_STAGING_TABLE, line 2, column NEXT_VISIT: ""
********** Error **********
ERROR: invalid input syntax for type date: ""
SQL state: 22007
Context: COPY VISIT_STAGING_TABLE, line 2, column NEXT_VISIT: ""
How can I run the copy command and get Postgres to accept that some of the fields in the CSV file corresponding to NEXT_VISIT have values ""?
Add WITH NULL AS '' to your command (COPY expects NULLs to be represented as "\N" (backslash-N) by default).
COPY "VISIT_STAGING_TABLE" from E'C:\\Users\\Sir Codealot\\Desktop\\rufijihdss-2007-2010\\rufijihdss\\VISIT_TEST.CSV' WITH CSV HEADER NULL AS ''
More details here: postgresql COPY
I was having the exact same problem, and what solved it for me was to use the statement WITH NULL ''. It is important not to have a space between the apostrophes.
I originally used the statement WITH NULL ' ' and got the same error message you did (ERROR: syntax error at or near "WITH NULL").
But when I eliminated the space between the apostrophes it worked.