Can copy command in postgresql append data to a file?
110061
copy command in postgresql to append data
103532
How do I update if exists, insert if not (AKA "upsert" or "merge") in MySQL?
53842
How to export / dump a MySql table into a text file including the field names (aka headers or column names)
34957
Idiomatic way to implement UPSERT in PostgreSQL
73535
How to create a file with pre-inserted text inside with bash?
58681
How do I make an exact copy of a table, but keep its number for referencing?
90721
PrintWriter to append data if file exist
23957
How to append multiple lines to a file
145602
Prepend a line to an existing file in Python
137735
Can enter() selection be reused after append/insert?
74275
How to merge MySQL backup files (*.sql)
12635
In psql, why do some commands have no effect?
27315
Command to add column to all tables in a schema
71478
How do you append to a file?
8616
Insert into select and update in single query
43369
How can I insert binary file data into a binary SQL field using a simple insert statement?
78777
Oracle: how to UPSERT (update or insert into a table?)