#postgresql #opensource #postgres
DDL: Data Definition Language
DDL to create database, table, user, schema and more
create database Smartcity;
create table landparcel(LandparcelID serial PRIMARY KEY,
AssetArea real,
LandUse varchar);
create table owner(
gid serial PRIMARY KEY,
Title varchar,
FirstName varchar,
LastName varchar);
alter table owner
add column city Varchar;
alter table owner
RENAME COLUMN city TO region;
ALTER TABLE owner
DROP COLUMN city;
drop table owner;