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PostgreSQL example tables

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Created by:
Tehya-Blanchard
324

TABLE 1

 

DROP TABLE IF EXISTS "users";
CREATE TABLE "users" (
	"id" SERIAL,
	"name" VARCHAR(100) NOT NULL,
	"country" VARCHAR(15) NOT NULL,
	PRIMARY KEY ("id")
);
INSERT INTO "users"
	("name", "country")
VALUES
   ('Tom', 'Poland'),
   ('Chris', 'Spain'),
   ('Jack', 'Spain'),
   ('Kim', 'Vietnam'),
   ('Marco', 'Italy'),
   ('Kate', 'Spain'),
   ('Nam', 'Vietnam');

TABLE 2

 

DROP TABLE IF EXISTS "users";
CREATE TABLE "users" (
	"id" SERIAL,
	"name" VARCHAR(50) NOT NULL,
	"surname" VARCHAR(50) NOT NULL,
	"email" VARCHAR(50),
	PRIMARY KEY ("id")
);
INSERT INTO "users"
	( "name", "surname", "email")
VALUES
	('John', 'Stewart', 'john@email.com'),
	('Chris', 'Brown', ''),
	('Kate', 'Lewis',''),
	('Ailisa', 'Gomez', 'ailisa@email.com'),
	('Gwendolyn', 'James', NULL),
	('Simon', 'Collins', NULL),
	('Taylor', 'Martin',NULL),
	('Andrew', 'Thompson', 'andrew123@email.com');

TABLE 3

 

DROP TABLE IF EXISTS "users";
CREATE TABLE "users" (
	"id" SERIAL,
	"name" VARCHAR(100) NOT NULL,
	"email" VARCHAR(100) NOT NULL,
	"country" VARCHAR(15) NOT NULL,
	PRIMARY KEY ("id")
);
INSERT INTO "users"
    ("name", "email", "country")
VALUES
    ('Tom', 'tom@email.com', 'Poland'),
    ('Chris', 'chris@email.com', 'Spain'),
    ('Jack', 'jack@email.com', 'Spain'),
    ('Kim', 'kim@email.com', 'Vietnam'),
    ('Marco', 'marco@email.com', 'Italy'),
    ('Kate', 'kate@email.com', 'Spain'),
    ('Nam', 'nam@email.com', 'Vietnam');

TABLE 4

❤ 💻 Node.js - PostgreSQL - find row with null value in column - Dirask

DROP TABLE IF EXISTS "users";
CREATE TABLE "users" (
	"id" SERIAL,
	"name" VARCHAR(50) NOT NULL,
	"surname" VARCHAR(50) NOT NULL,
	"email" VARCHAR(50),
	PRIMARY KEY ("id")
);
INSERT INTO "users"
	( "name", "surname", "email")
VALUES
	('John', 'Stewart', 'john@email.com'),
	('Chris', 'Brown', NULL),
	('Kate', 'Lewis', NULL),
	('Ailisa', 'Gomez', 'ailisa@email.com'),
	('Gwendolyn', 'James', NULL),
	('Simon', 'Collins', NULL),
	('Taylor', 'Martin', NULL),
	('Andrew', 'Thompson', 'andrew@email.com');

 

TABLE 5

DROP TABLE IF EXISTS "users";
CREATE TABLE "users" (
	"id" SERIAL,
	"name" VARCHAR(100) NOT NULL,
	"email" VARCHAR(100) NOT NULL,
	"country" VARCHAR(15) NOT NULL,
	PRIMARY KEY ("id")
);
INSERT INTO "users"
	( "name", "surname", "email")
VALUES
	('John', 'Stewart', 'john@email.com'),
	('Chris', 'Brown', NULL),
	('Kate', 'Lewis', NULL),
	('Ailisa', 'Gomez', 'ailisa@email.com'),
	('Gwendolyn', 'James', NULL),
	('Simon', 'Collins', NULL),
	('Taylor', 'Martin', NULL),
	('Andrew', 'Thompson', 'andrew@email.com');

TABLE 6

 

DROP TABLE IF EXISTS "users";
CREATE TABLE "users" (
	"id" SERIAL,
	"name" VARCHAR(50) NOT NULL,
	"surname" VARCHAR(50) NOT NULL,
	"department_id" INTEGER,
    "salary" DECIMAL(15,2) NOT NULL,
	PRIMARY KEY ("id")
);
INSERT INTO "users"
	( "name", "surname", "department_id", "salary")
VALUES
	('John', 'Stewart', 1, '2000.00'),
	('Chris', 'Brown', 3, '2000.00'),
	('Chris', 'Lewis', 3, '2000.00'),
	('Kate', 'Lewis', 3, '2000.00'),
	('Kate', 'Stewart', 3, '2000.00'),
	('Ailisa', 'Lewis', 3, '2000.00'),
	('Ailisa', 'Gomez', 3, '3000.00'),
	('Gwendolyn', 'James', 2, '3000.00'),
	('Simon', 'James', 2, '2000.00'),
	('Simon', 'Brown', 3, '2000.00'),
	('Simon', 'Collins', 3, '3000.00');

TABLE 7

MySQL - example data used with LOWER() function

DROP TABLE IF EXISTS "users";
CREATE TABLE "users" (
	"id" SERIAL,
	"name" VARCHAR(50) NOT NULL,
	"surname" VARCHAR(50) NOT NULL,
	"department_id" INTEGER,
   "salary" DECIMAL(15,2) NOT NULL,
	PRIMARY KEY ("id")
);
INSERT INTO "users"
	( "name", "surname", "department_id", "salary")
VALUES
	('John', 'Stewart', 1, '3512.00'),
	('Chris', 'Brown', 2, '1344.00'),
	('Kate', 'Lewis', 3, '6574.00'),
	('Ailisa', 'Gomez', NULL, '6500.00'),
	('Gwendolyn', 'James', 2, '4200.00'),
	('Simon', 'Cousersllins', 4, '3320.00'),
	('Taylor', 'Martin', 2, '1500.00'),
	('Andrew', 'Thompson', NULL, '2100.00');

TABLE 8

 

DROP TABLE IF EXISTS "users";
CREATE TABLE "users" (
	"id" SERIAL,
	"name" VARCHAR(50) NOT NULL,
	"surname" VARCHAR(50) NOT NULL,
	"email" VARCHAR(50),
	PRIMARY KEY ("id")
);
INSERT INTO "users"
	( "name", "surname", "email")
VALUES
	('John', 'Stewart', 'john@email.com'),
	('Chris', 'Brown', ''),
	('Kate', 'Lewis',''),
	('Ailisa', 'Gomez', 'ailisa@email.com'),
	('Gwendolyn', 'James', ''),
	('Simon', 'Collins', ''),
	('Taylor', 'Martin',''),
	('Andrew', 'Thompson', 'andrew123@email.com');

TABLE 9

 

DROP TABLE IF EXISTS "users";
CREATE TABLE "users" (
	"id" SERIAL,
	"name" VARCHAR(50) NOT NULL,
	"surname" VARCHAR(50) NOT NULL,
	"email" VARCHAR(100),
	"department_id" INTEGER,
	"salary" DECIMAL(15,2) NOT NULL,
	PRIMARY KEY ("iusers_without_emaild")
);
INSERT INTO "users"
	( "name", "surname", "email", "department_id", "salary")
VALUES
	('John', 'Stewart', 'john@email.com', 1, '3512.00'),
	('Chris', 'Brown', 'chris@email.com', 2, '1344.00'),
	('Kate', 'Lewis', NULL, 3, '6574.00'),
	('Ailisa', 'Gomez', 'ailisa@email.com', 2, '6500.00'),
	('Gwendolyn', 'James', NULL, NULL, '4200.00'),
	('Simon', 'Collins', NULL, 4, '3320.00'),
	('Taylor', 'Martin', NULL, NULL, '1500.00'),
	('Andrew', 'Thompson', 'andrew@email.com', NULL, '2100.00');

TABLE 10

 

 
 

 

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