/SQL/Postgresql insert column

Postgresql insert column

Postgresql add column with constraint

ALTER TABLE customers 
ADD COLUMN contact_name VARCHAR NOT NULL;

31

Source: postgresqltutorial.com

Postgresql insert column

ALTER TABLE table_name
ADD COLUMN new_column_name data_type constraint;

4

Postgres how to add field created at

CREATE TABLE my_table
(
	id serial NOT NULL,
    user_name text,
	created_at timestamp with time zone DEFAULT CURRENT_TIMESTAMP //here
)

2

Similar codes

1 vote182 views1 answer
Tsql update datetime
SQL
11 votes206 views1 answer
Oracle view source
SQL
0 vote160 views1 answer
Java spring boot connect to sql server
SQL
0 vote133 views2 answers
Https://www.google.com/search?ei=bihqX_v9DJb--gTYoLH4DQ
SQL
0 vote166 views1 answer
Mysql Install Ubuntu with native password
SQL
0 vote172 views1 answer
How to query without duplicate rows in sql
SQL
-1 vote165 views1 answer
Search all database tables for a value sqlserver
SQL
0 vote165 views1 answer
Get week day name sql server
SQL
-1 vote132 views1 answer
MySQL said: Documentation #1010 - Error dropping database errno: 39 "Directory not empty")
SQL
2 votes190 views2 answers
How to add not null constraint in sql
SQL

Share