 CREATE TABLE Artifact (
    artifact_id INT PRIMARY KEY,
    artifact_name VARCHAR(255),
    year_of_creation INT,
    dynasty VARCHAR(255)
 );

 INSERT INTO Artifact (artifact_id, artifact_name, year_of_creation, dynasty)
 VALUES
    (1, 'Crystal Orb', 1830, 'Eldarian Empire'),
    (2, 'Golden Scepter', 1345, 'Kingdom of Thal'),
    (3, 'Enchanted Tapestry', 1956, 'Arcane Realm'),
    (4, 'Celestial Amulet', 1700, 'Aaryan Kingdom'),
    (5, 'Phoenix Feather Wand', 1100, 'Mage Dynasty'),
    (6, 'Timeless Hourglass', 1509, 'Temporal Empire'),
    (7, 'Emerald Talisman', 1510, 'Astral Kingdom'),
    (8, 'Lunar Crown', 1202, 'Moon Realm'),
    (9, 'Frostblade', 1788, 'Ice Dominion'),
    (10, 'Sunstone Relic', 1896, 'Astorin Dynasty');

SELECT * FROM Artifact;


    
    CREATE TABLE King (
    king_id INT PRIMARY KEY,
    king_name VARCHAR(255),
    year_of_birth INT,
    year_of_death INT,
    dynasty VARCHAR(255)
 );
 
  INSERT INTO King (king_id, king_name, year_of_birth, year_of_death, dynasty)
 VALUES
    (1, 'King David', 1680, 1725, 'Astral Kingdom'),
    (2, 'King Claudius', 1157, 1199, 'Aaryan Kingdom'),
    (3, 'King George', 591, 653, 'Moon Realm'),
    (4, 'King Edward', 1501, 1598, 'Astral Kingdom'),
    (5, 'King Hadrian', 1303, 1374, 'Astorin Dynasty'),
    (6, 'King Augustus', 1133, 1171, 'Temporal Empire'),
    (7, 'King Constantine', 1842, 1908, 'Aaryan Kingdom'),
    (8, 'King Honorius', 1932, 1976, 'Arcane Realm'),
    (9, 'King William', 880, 956, 'Ice Dominion'),
    (10, 'King Ceaser', 776, 814, 'Eldarian Empire');
    
    SELECT *FROM KING;
    
    
    CREATE TABLE Capital (
    capital_id INT PRIMARY KEY,
 king_name VARCHAR(255),
    capital_name VARCHAR(255)
 );
 
  INSERT INTO Capital (capital_id, king_name, capital_name)
 VALUES
 (1, 'King David', 'Arcanum'),
    (2, 'King Claudius', 'Verdantia'),
    (3, 'King George', 'Oceania'),
    (4, 'King Edward', 'Ironspire'),
    (5, 'King Hadrian', 'Astralis'),
    (6, 'King Augustus', 'Solstice'),
    (7, 'King Constantine', 'Chronopolis'),
    (8, 'King Honorius', 'Echothorn'),
    (9, 'King William', 'FrostFall'),
    (10, 'King Caesar', 'Etherea');
    
    SELECT *FROM CAPITAL;
    
     CREATE TABLE Location (
    location_id INT PRIMARY KEY,
    artifact_id INT,
    location_name VARCHAR(255),
    city VARCHAR(255),
    country VARCHAR(255),
    visited INT
    );
    
    INSERT INTO Location (location_id, artifact_id, location_name, city, country, 
visited)
 VALUES
    (1, 1, 'Royal Palace', 'Eldaria', 'Venturia', 450),
    (2, 1, 'Thal Castle', 'Thalburg', 'Novaria', 800),
 (3, 2, 'Arcane Library', 'Mystoria', 'Astridia', 600),
    (4, 2, 'Astral Temple', 'Celestia', 'Novaria', 800),
 (5, 3, 'Mage Tower', 'Sorceria', 'Avalonia', 300),
 (6, 3, 'Temporal Observatory', 'Chronopolis', 'Elysium', 550),
 (7, 3, 'Forest Shrine', 'Sylvanwood', 'Aquaterra', 500),
    (8, 4, 'Lunar Citadel', 'Lunaria', 'Chronosia', 780),
    (9, 5, 'Ice Fortress', 'Glacia', 'Solara', 1000),
 (10, 5, 'Solar Sanctuary', 'Helios', 'Astridia', 600),
 (11, 6, 'Serenity', 'Nova Acordia', 'Zephyria', 720),
    (12, 7, 'Crystal caverns', 'Nexus central', 'Solara', 1000),
    (13, 7, 'Luminous lagoon', 'Lumina', 'Solara', 1000),
    (14, 8, 'Ember vale', 'Citadel', 'Arcadia', 750),
    (15, 9, 'Aurora Isle', 'Atlantis', 'Chronosia', 400),
    (16, 10, 'Atlantis', 'Edenia', 'Chronosia', 400);
    
    SELECT* FROM LOCATION;
    
     CREATE TABLE Spell (
    spell_id INT PRIMARY KEY,
    spell VARCHAR(255),
    artifact_id INT
 );
 
  INSERT INTO Spell (spell_id, spell, artifact_id)
 VALUES
    (1, 'Abracadabra', 5),
    (2, 'Open sesame', 6),
    (3, 'Alakazam', 7),
    (4, 'Hocus Pocus', 2),
    (5, 'Shik shak shok', 10),
    (6, 'Chakum chukum', 2),
    (7, 'Presto Chango', 5),
    (8, 'Sim Sala Bim', 3),
    (9, 'Shazam', 4),
    (10, 'Bibbidi-Bobbidi-Boo', 7),
    (11, 'Voila', 1),
    (12, 'Mysticus', 9),
    (13, 'Zippity-zap', 8);
    
    SELECT*FROM SPELL;
    
     CREATE TABLE Alias (
     id INT PRIMARY KEY,
     king_id INT,
     alias_name VARCHAR(255)
 );
 
 INSERT INTO Alias (id, king_id, alias_name)
VALUES
    (1, 1, 'jinx'),
    (2, 2, 'quill'),
    (3, 3, 'dove'),
    (4, 4, 'olive'),
    (5, 5, 'pippin'),
    (6, 6, 'velvet'),
    (7, 7, 'tiger'), -- Fixed quotation marks here
    (8, 8, 'ace'),
    (9, 9, 'noodle'),
    (10, 10, 'appy');
    
    SELECT*FROM ALIAS;

created 1 year ago by 21C007 AKSHAYA A

MySQL online editor

Write, Run & Share MySQL queries online using OneCompiler's MySQL online editor and compiler for free. It's one of the robust, feature-rich online editor and compiler for MySQL. Getting started with the OneCompiler's MySQL editor is really simple and pretty fast. The editor shows sample boilerplate code when you choose language as 'MySQL' and start writing queries to learn and test online without worrying about tedious process of installation.

About MySQL

MySQL is a open-source, free and very popular relational database management system which is developed, distributed and supported by Oracle corporation.

Key Features:

Open-source relational database management systems.
Reliable, very fast and easy to use database server.
Works on client-server model.
Highly Secure and Scalable
High Performance
High productivity as it uses stored procedures, triggers, views to write a highly productive code.
Supports large databases efficiently.
Supports many operating systems like Linux*,CentOS*, Solaris*,Ubuntu*,Windows*, MacOS*,FreeBSD* and others.

Syntax help

Commands

1. CREATE

CREATE TABLE table_name (
                column1 datatype,
                column2 datatype,
                ....);

Example

CREATE TABLE EMPLOYEE (
  empId INTEGER PRIMARY KEY,
  name TEXT NOT NULL,
  dept TEXT NOT NULL
);

2. ALTER

ALTER TABLE Table_name ADD column_name datatype;

Example

INSERT INTO EMPLOYEE VALUES (0001, 'Dave', 'Sales');

3. TRUNCATE

TRUNCATE table table_name;

4. DROP

DROP TABLE table_name;

5. RENAME

RENAME TABLE table_name1 to new_table_name1;

6. COMMENT

Single-Line Comments:

 --Line1;

Multi-Line comments:

   /* Line1,
   Line2 */

DML Commands

1. INSERT

INSERT INTO table_name (column1, column2, column3, ...) VALUES (value1, value2, value3, ...);

Note: Column names are optional.

Example

INSERT INTO EMPLOYEE VALUES (0001, 'Ava', 'Sales');

2. SELECT

SELECT column1, column2, ...
FROM table_name
[where condition];

Example

SELECT * FROM EMPLOYEE where dept ='sales';

3. UPDATE

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;

Example

UPDATE EMPLOYEE SET dept = 'Sales' WHERE empId='0001';

4. DELETE

DELETE FROM table_name where condition;

Example

DELETE from EMPLOYEE where empId='0001';

Indexes

1. CREATE INDEX

  CREATE INDEX index_name on table_name(column_name);

To Create Unique index:

  CREATE UNIQUE INDEX index_name on table_name(column_name);

2. DROP INDEX

DROP INDEX index_name ON table_name;

Views

1. Create a View

Creating a View:
CREATE VIEW View_name AS 
Query;

2. How to call view

SELECT * FROM View_name;

3. Altering a View

ALTER View View_name AS 
Query;

4. Deleting a View

DROP VIEW View_name;

Triggers

1. Create a Trigger

CREATE TRIGGER trigger_name trigger_time trigger_event
    ON tbl_name FOR EACH ROW [trigger_order] trigger_body
/* where
trigger_time: { BEFORE | AFTER }
trigger_event: { INSERT | UPDATE | DELETE }
trigger_order: { FOLLOWS | PRECEDES } */

2. Drop a Trigger

DROP TRIGGER [IF EXISTS] trigger_name;

Stored Procedures

1. Create a Stored Procedure

CREATE PROCEDURE sp_name(p1 datatype)
BEGIN
/*Stored procedure code*/
END;

2. How to call Stored procedure

CALL sp_name;

3. How to delete stored procedure

DROP PROCEDURE sp_name;

Joins

1. INNER JOIN

SELECT * FROM TABLE1 INNER JOIN TABLE2 where condition;

2. LEFT JOIN

SELECT * FROM TABLE1 LEFT JOIN TABLE2 ON condition;

3. RIGHT JOIN

SELECT * FROM TABLE1 RIGHT JOIN TABLE2 ON condition;

4. CROSS JOIN

SELECT select_list from TABLE1 CROSS JOIN TABLE2;