postgreSQL Difference between two date timestamps month wise and year wise
Monthwise difference between two dates(timestamp)
select
(
(DATE_PART('year', AgeonDate) - DATE_PART('year', tmpdate)) * 12
+
(DATE_PART('month', AgeonDate) - DATE_PART('month', tmpdate))
)
from dbo."Table1"Yearwise difference between two dates(timestamp)
select (DATE_PART('year', AgeonDate) - DATE_PART('year', tmpdate)) from dbo."Table1"Query to Copy/Move/Transafer table data from one database to other database table with same schema
First Execute
CREATE EXTENSION DBLINK;Then
INSERT INTO
<SCHEMA_NAME>.<TABLE_NAME_1>
SELECT *
FROM
DBLINK(
'HOST=<IP-ADDRESS> USER=<USERNAME> PASSWORD=<PASSWORD> DBNAME=<DATABASE>',
'SELECT * FROM <SCHEMA_NAME>.<TABLE_NAME_2>')
AS <TABLE_NAME>
(
<COLUMN_1> <DATATYPE_1>,
<COLUMN_1> <DATATYPE_2>,
<COLUMN_1> <DATATYPE_3>
);