create table in postgresql
-- Example table
CREATE TABLE accounts (
user_id serial PRIMARY KEY,
username VARCHAR ( 50 ) UNIQUE NOT NULL,
password VARCHAR ( 50 ) NOT NULL,
email VARCHAR ( 255 ) UNIQUE NOT NULL,
created_on TIMESTAMP NOT NULL,
last_login TIMESTAMP
);postgresql create table with index
CREATE INDEX index_name
ON table_name (column_name);create table mysql
CREATE TABLE IF NOT EXISTS tasks (
task_id INT AUTO_INCREMENT PRIMARY KEY,
title VARCHAR(255) NOT NULL,
start_date DATE,
due_date DATE,
status TINYINT NOT NULL,
priority TINYINT NOT NULL,
description TEXT,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
) ENGINE=INNODB;postgre sql create table
CREATE TABLE cities (
city_id serial PRIMARY KEY,
city_name VARCHAR (255) NOT NULL,
population INT NOT NULL CHECK (population >= 0)
);postgres create table
-- Basic table creation
CREATE TABLE table_name(
column1 datatype,
column2 datatype,
column3 datatype,
.....
columnN datatype,
PRIMARY KEY( one or more columns )
);create table postgres
CREATE TABLE table_name (
column_name1 col_type (field_length) column_constraints,
column_name2 col_type (field_length),
column_name3 col_type (field_length)
);Copyright © 2021 Codeinu
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