Answers for "create table in t sql"

creating a table in sql

//to create a table
CREATE TABLE students
( student_id number(4) primary key,
  last_name varchar2(30) NOT NULL,
  course_id number(4) NULL );

//to insert value
INSERT INTO students VALUES (200, 'Jones', 101);
INSERT INTO students VALUES (201, 'Smith', 101);
INSERT INTO students VALUE (202, 'Lee' , 102);

Create Table

CREATE TABLE users (
    id SERIAL PRIMARY KEY,
    email VARCHAR(255) NOT NULL,
    password VARCHAR(255) NOT NULL,
    created TIMESTAMP,
    modified TIMESTAMP
);

CREATE TABLE articles (
    id SERIAL PRIMARY KEY,
    user_id INT NOT NULL,
    title VARCHAR(255) NOT NULL,
    slug VARCHAR(191) NOT NULL,
    body TEXT,
    published BOOLEAN DEFAULT FALSE,
    created TIMESTAMP,
    modified TIMESTAMP,
    UNIQUE (slug),
    FOREIGN KEY (user_id) REFERENCES users(id)
);

CREATE TABLE tags (
    id SERIAL PRIMARY KEY,
    title VARCHAR(191),
    created TIMESTAMP,
    modified TIMESTAMP,
    UNIQUE (title)
);

CREATE TABLE articles_tags (
    article_id INT NOT NULL,
    tag_id INT NOT NULL,
    PRIMARY KEY (article_id, tag_id),
    FOREIGN KEY (tag_id) REFERENCES tags(id),
    FOREIGN KEY (article_id) REFERENCES articles(id)
);

INSERT INTO users (email, password, created, modified)
VALUES
('[email protected]', 'secret', NOW(), NOW());

INSERT INTO articles (user_id, title, slug, body, published, created, modified)
VALUES
(1, 'First Post', 'first-post', 'This is the first post.', TRUE, NOW(), NOW());