https://github.com/andriikot/postgresql-lesson-1

PostgreSQL Lesson 1
https://github.com/andriikot/postgresql-lesson-1

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PostgreSQL Lesson 1

• Host: GitHub
• URL: https://github.com/andriikot/postgresql-lesson-1
• Owner: AndriiKot
• Created: 2023-03-27T11:27:41.000Z (almost 2 years ago)
• Default Branch: master
• Last Pushed: 2023-03-27T15:18:01.000Z (almost 2 years ago)
• Last Synced: 2024-11-07T15:18:00.207Z (about 2 months ago)
• Size: 5.86 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# PostgreSQL-lesson-1

PostgreSQL Lesson 1

```sql

CREAT DATABASE testdb

CREATE TABLE publisher

(

	publisher_id integer PRIMARY KEY,

	org_name varchar(130) NOT NULL,

	address text NOT NULL,

	

);

CREATE TABLE book

(

	book_id integer PRIMARY KEY,

	title text NOT NULL,

	isbn varchar(32) NOT NULL

)

DROP TABLE publisher;

DROP TABLE book;

INSERT INTO book

VALUES

(1,'The Diary of a Young Girl','0123403430430'),

(2,'Pride and Prejudice','93232304204'),

(3,'To Kill a Mockingbird','3424254456'),

(4,'The Book of Gutsy Women','12344532');

INSERT INTO publisher

VALUES

(1,'Evereman''s Library','NY'),

(2,'Oxford University Press', 'NY'),

(3,'Grand Central Publishing','Washington'),

(4,'Simon & Schister','Chicago');

SELECT pg_terminate_backend(pg_stat_activity.pid)

FROM pg_stat_activity

WHERE pg_stat_activity.datname = 'testdb'

  AND pid <> pg_backend_pid()

DROP DATABASE testdb

"test string"

```