 DROP TABLE IF EXISTS `airline`;
CREATE TABLE `airline` (
  `AIRLINEID` varchar(3) NOT NULL,
  `AL_NAME` varchar(50) DEFAULT NULL,
  `THREE_DIGIT_CODE` varchar(3) DEFAULT NULL,
  PRIMARY KEY (`AIRLINEID`)
) ENGINE=InnoDB;

--
-- Dumping data for table `airline`
--

INSERT INTO `airline` VALUES ('9W','Jet Airways','589'),('AA','American Airlines','001'),('AI','Air India Limited','098'),('BA','British Airways','125'),('EK','Emirates','176'),('EY','Ethiad Airways','607'),('LH','Lufthansa','220'),('QR','Qatar Airways','157');

--
-- Table structure for table `airport`
--

DROP TABLE IF EXISTS `airport`;
CREATE TABLE `airport` (
  `AP_NAME` varchar(100) NOT NULL,
  `STATE` varchar(15) DEFAULT NULL,
  `COUNTRY` varchar(30) DEFAULT NULL,
  `CNAME` varchar(15) DEFAULT NULL,
  PRIMARY KEY (`AP_NAME`),
  KEY `CNAME` (`CNAME`),
  CONSTRAINT `airport_ibfk_1` FOREIGN KEY (`CNAME`) REFERENCES `city` (`CNAME`) ON DELETE CASCADE
) ENGINE=InnoDB;

--
-- Dumping data for table `airport`
--


INSERT INTO `airport` VALUES ('Chandigarh International Airport','Chandigarh','India','Chandigarh'),('Chhatrapati Shivaji International Airport','Maharashtra','India','Mumbai'),('Dallas/Fort Worth International Airport','Texas','United States','Fort Worth'),('Frankfurt Airport','Hesse','Germany','Frankfurt'),('George Bush Intercontinental Airport','Texas','United States','Houston'),('Indira GandhiInternational Airport','Delhi','India','Delhi'),('John F. Kennedy International Airport','New York','United States','New York City'),('Louisville International Airport','Kentucky','United States','Louisville'),('San Francisco International Airport','California','United States','San Francisco'),('Tampa International Airport','Florida','United States','Tampa');

--
-- Table structure for table `city`
--

DROP TABLE IF EXISTS `city`;
CREATE TABLE `city` (
  `CNAME` varchar(15) NOT NULL,
  `STATE` varchar(15) DEFAULT NULL,
  `COUNTRY` varchar(30) DEFAULT NULL,
  PRIMARY KEY (`CNAME`)
) ENGINE=InnoDB;

--
-- Dumping data for table `city`
--


INSERT INTO `city` VALUES ('Chandigarh','Chandigarh','India'),('Delhi','Delhi','India'),('Fort Worth','Texas','United States'),('Frankfurt','Hesse','Germany'),('Houston','Texas','United States'),('Louisville','Kentucky','United States'),('Mumbai','Maharashtra','India'),('New York City','New York','United States'),('San Francisco','California','United States'),('Tampa','Florida','United States');

--
-- Table structure for table `contains`
--

DROP TABLE IF EXISTS `contains`;
CREATE TABLE `contains` (
  `AIRLINEID` varchar(3) NOT NULL,
  `AP_NAME` varchar(100) NOT NULL,
  PRIMARY KEY (`AIRLINEID`,`AP_NAME`),
  KEY `AP_NAME` (`AP_NAME`),
  CONSTRAINT `contains_ibfk_1` FOREIGN KEY (`AIRLINEID`) REFERENCES `airline` (`AIRLINEID`) ON DELETE CASCADE,
  CONSTRAINT `contains_ibfk_2` FOREIGN KEY (`AP_NAME`) REFERENCES `airport` (`AP_NAME`) ON DELETE CASCADE
) ENGINE=InnoDB;

--
-- Dumping data for table `contains`
--

INSERT INTO `contains` VALUES ('AI','Chandigarh International Airport'),('BA','Chandigarh International Airport'),('AI','Chhatrapati Shivaji International Airport'),('BA','Chhatrapati Shivaji International Airport'),('LH','Chhatrapati Shivaji International Airport'),('QR','Chhatrapati Shivaji International Airport'),('AI','Dallas/Fort Worth International Airport'),('LH','Dallas/Fort Worth International Airport'),('QR','Dallas/Fort Worth International Airport'),('BA','Frankfurt Airport'),('LH','Frankfurt Airport'),('AA','George Bush Intercontinental Airport'),('AI','George Bush Intercontinental Airport'),('AI','Indira GandhiInternational Airport'),('AA','John F. Kennedy International Airport'),('BA','John F. Kennedy International Airport'),('LH','John F. Kennedy International Airport'),('QR','John F. Kennedy International Airport'),('AA','Louisville International Airport'),('QR','Louisville International Airport'),('AA','San Francisco International Airport'),('BA','San Francisco International Airport'),('LH','San Francisco International Airport'),('AA','Tampa International Airport'),('QR','Tampa International Airport');


--
-- Table structure for table `employee1`
--

DROP TABLE IF EXISTS `employee1`;
CREATE TABLE `employee1` (
  `SSN` int NOT NULL,
  `FNAME` varchar(20) DEFAULT NULL,
  `M` varchar(1) DEFAULT NULL,
  `LNAME` varchar(20) DEFAULT NULL,
  `ADDRESS` varchar(100) DEFAULT NULL,
  `PHONE` bigint DEFAULT NULL,
  `AGE` int DEFAULT NULL,
  `*****` varchar(1) DEFAULT NULL,
  `JOBTYPE` varchar(30) DEFAULT NULL,
  `ASTYPE` varchar(30) DEFAULT NULL,
  `ETYPE` varchar(30) DEFAULT NULL,
  `SHIFT` varchar(20) DEFAULT NULL,
  `POSITION` varchar(30) DEFAULT NULL,
  `AP_NAME` varchar(100) DEFAULT NULL,
  PRIMARY KEY (`SSN`),
  KEY `AP_NAME` (`AP_NAME`),
  CONSTRAINT `employee1_ibfk_1` FOREIGN KEY (`AP_NAME`) REFERENCES `airport` (`AP_NAME`) ON DELETE CASCADE
) ENGINE=InnoDB;

--
-- Dumping data for table `employee1`
--

INSERT INTO `employee1` VALUES (123456789,'LINDA','M','GOODMAN','731 Fondren, Houston, TX',4356789345,35,'F','ADMINISTRATIVE SUPPORT','RECEPTIONIST','','','','Louisville International Airport'),(125478909,'PRATIK','T','GOMES','334 VITRUVIAN PARK, ALBANY, NY',4444678903,56,'M','TRAFFIC MONITOR','','DAY','','','John F. Kennedy International Airport'),(324567897,'ADIT','P','DESAI','987 SOMNATH, CHANDIGARH, INDIA',2244658909,36,'M','TRAFFIC MONITOR','','DAY','','','Chandigarh International Airport'),(333445555,'JOHNY','N','PAUL','638 Voss, Houston, TX',9834561995,40,'M','ADMINISTRATIVE SUPPORT','SECRETARY','','','','Louisville International Airport'),(453453453,'RAJ','B','SHARMA','345 FLOYDS, MUMBAI,INDIA',4326789031,35,'M','AIRPORT AUTHORITY','','','','MANAGER','Chhatrapati Shivaji International Airport'),(666884444,'SHELDON','A','COOPER','345 CHERRY PARK, HESSE,GERMANY',1254678903,55,'M','TRAFFIC MONITOR','','NIGHT','','','Frankfurt Airport'),(888665555,'SHUBHAM','R','GUPTA','567 CHANDANI CHOWK, DELHI, INDIA',8566778890,39,'M','ADMINISTRATIVE SUPPORT','DATA ENTRY WORKER','','','','Indira GandhiInternational Airport'),(987654321,'SHERLOCK','A','HOLMES','123 TOP HILL, SAN Francisco,CA',8089654321,47,'M','TRAFFIC MONITOR','','','DAY','','San Francisco International Airport'),(987987987,'NIKITA','C','PAUL','110 SYNERGY PARK, DALLAS,TX',5678904325,33,'F','ENGINEER','','AIRPORT CIVIL ENGINEER','','','Dallas/Fort Worth International Airport'),(999887777,'JAMES','P','BOND','3321 Castle, Spring, TX',9834666995,50,'M','ENGINEER','','RADIO ENGINEER','','','Louisville International Airport');


--
-- Table structure for table `employee2`
--

DROP TABLE IF EXISTS `employee2`;
CREATE TABLE `employee2` (
  `JOBTYPE` varchar(30) NOT NULL,
  `SALARY` int DEFAULT NULL,
  PRIMARY KEY (`JOBTYPE`)
) ENGINE=InnoDB;

--
-- Dumping data for table `employee2`
--

INSERT INTO `employee2` VALUES ('ADMINISTRATIVE SUPPORT',50000),('AIRPORT AUTHORITY',90000),('ENGINEER',70000),('TRAFFIC MONITOR',80000);

--
-- Table structure for table `flight`
--

DROP TABLE IF EXISTS `flight`;
CREATE TABLE `flight` (
  `FLIGHT_CODE` varchar(10) NOT NULL,
  `SOURCE` varchar(3) DEFAULT NULL,
  `DESTINATION` varchar(3) DEFAULT NULL,
  `ARRIVAL` varchar(10) DEFAULT NULL,
  `DEPARTURE` varchar(10) DEFAULT NULL,
  `STATUS` varchar(10) DEFAULT NULL,
  `DURATION` varchar(30) DEFAULT NULL,
  `FLIGHTTYPE` varchar(10) DEFAULT NULL,
  `LAYOVER_TIME` varchar(30) DEFAULT NULL,
  `NO_OF_STOPS` int DEFAULT NULL,
  `AIRLINEID` varchar(3) DEFAULT NULL,
  PRIMARY KEY (`FLIGHT_CODE`),
  KEY `AIRLINEID` (`AIRLINEID`),
  CONSTRAINT `flight_ibfk_1` FOREIGN KEY (`AIRLINEID`) REFERENCES `airline` (`AIRLINEID`) ON DELETE CASCADE
) ENGINE=InnoDB;

--
-- Dumping data for table `flight`
--


INSERT INTO `flight` VALUES ('9W2334','IAH','DEL','23:00','13:45','On-time','23hrs','Direct','0',0,'9W'),('AA4367','SFO','FRA','18:10','18:55','On-time','21hrs','Non-stop','0',0,'AA'),('AI127','BOM','DFW','02:10','03:15','Delayed','24hr','Connecting','3',1,'AI'),('AI2014','BOM','DFW','02:10','03:15','On-time','24hr','Connecting','3',1,'AI'),('BA1689','FRA','DEL','10:20','10:55','On-time','14hrs','Non-stop','0',0,'BA'),('BA3056','BOM','DFW','02:15','02:55','On-time','29hrs','Connecting','3',1,'BA'),('EK3456','BOM','SFO','18:50','19:40','On-time','30hrs','Non-stop','0',0,'EK'),('EY1234','JFK','TPA','19:20','20:05','On-time','16hrs','Connecting','5',2,'EY'),('LH9876','JFK','BOM','05:50','06:35','On-time','18hrs','Non-stop','0',0,'LH'),('QR1902','IXC','IAH','22:00','22:50','Delayed','28hrs','Non-stop','5',1,'QR'),('QR2305','BOM','DFW','13:00','13:55','Delayed','21hr','Non-stop','0',0,'QR');


--
-- Table structure for table `passenger1`
--

DROP TABLE IF EXISTS `passenger1`;
CREATE TABLE `passenger1` (
  `PID` int NOT NULL,
  `PASSPORTNO` varchar(10) NOT NULL,
  PRIMARY KEY (`PID`,`PASSPORTNO`)
) ENGINE=InnoDB;

--
-- Dumping data for table `passenger1`
--


INSERT INTO `passenger1` VALUES (1,'A1234568'),(2,'B9876541'),(3,'C2345698'),(4,'D1002004'),(5,'X9324666'),(6,'B8765430'),(7,'J9801235'),(8,'A1122334'),(9,'Q1243567'),(10,'S1243269'),(11,'E3277889'),(12,'K3212322'),(13,'P3452390'),(14,'W7543336'),(15,'R8990566');


--
-- Table structure for table `passenger2`
--

DROP TABLE IF EXISTS `passenger2`;
CREATE TABLE `passenger2` (
  `PASSPORTNO` varchar(10) NOT NULL,
  `FNAME` varchar(20) DEFAULT NULL,
  `M` varchar(1) DEFAULT NULL,
  `LNAME` varchar(20) DEFAULT NULL,
  `ADDRESS` varchar(100) DEFAULT NULL,
  `PHONE` bigint DEFAULT NULL,
  `AGE` int DEFAULT NULL,
  `*****` varchar(1) DEFAULT NULL,
  PRIMARY KEY (`PASSPORTNO`)
) ENGINE=InnoDB;

--
-- Dumping data for table `passenger2`
--


INSERT INTO `passenger2` VALUES ('A1122334','MANAN','S','LAKHANI','5589 CHTHAM REFLECTIONS, APT 349 HOUSTON, TX',9004335126,25,'F'),('A1234568','ALEN','M','SMITH','2230 NORTHSIDE, APT 11, ALBANY, NY',8080367290,30,'M'),('B8765430','LAKSHMI','P','SHARMA','1110 FIR HILLS, APT 903, AKRON, OH',7666190505,30,'F'),('B9876541','ANKITA','V','AHIR','3456 VIKAS APTS, APT 102,DOMBIVLI, INDIA',8080367280,26,'F'),('C2345698','KHYATI','A','MISHRA','7820 MCCALLUM COURTS, APT 234, AKRON, OH',8082267280,30,'F'),('D1002004','ANKITA','S','PATIL','7720 MCCALLUM BLVD, APT 1082, DALLAS, TX',9080367266,23,'F'),('E3277889','John','A','GATES','1234 BAKER APTS, APT 59, HESSE, GERMANY',9724569986,10,'M'),('J9801235','AKHILESH','D','JOSHI','345 CHATHAM COURTS, APT 678, MUMBAI, INDIA',9080369290,29,'M'),('K3212322','SARA','B','GOMES','6785 SPLITSVILLA, APT 34, MIAMI, FL',9024569226,15,'F'),('P3452390','ALIA','V','BHAT','548 MARKET PLACE, SAN Francisco, CA',9734567800,10,'F'),('Q1243567','KARAN','M','MOTANI','4444 FRANKFORD VILLA, APT 77, GUILDERLAND, NY',9727626643,22,'M'),('R8990566','RIA','T','GUPTA','3355 PALENCIA, APT 2065, MUMBAI, INDIA',4724512343,10,'M'),('S1243269','ROM','A','SOLANKI','7720 MCCALLUM BLVD, APT 2087, DALLAS, TX',9004568903,60,'M'),('W7543336','JOHN','P','SMITH','6666 ROCK HILL, APT 2902, TAMPA, FL',4624569986,55,'M'),('X9324666','TEJASHREE','B','PANDIT','9082 ESTAES OF RICHARDSON, RICHARDSON, TX',9004360125,28,'F');


--
-- Table structure for table `passenger3`
--

DROP TABLE IF EXISTS `passenger3`;
CREATE TABLE `passenger3` (
  `PID` int NOT NULL,
  `FLIGHT_CODE` varchar(10) DEFAULT NULL,
  PRIMARY KEY (`PID`),
  KEY `FLIGHT_CODE` (`FLIGHT_CODE`),
  CONSTRAINT `passenger3_ibfk_1` FOREIGN KEY (`FLIGHT_CODE`) REFERENCES `flight` (`FLIGHT_CODE`) ON DELETE CASCADE
) ENGINE=InnoDB;

--
-- Dumping data for table `passenger3`
--


INSERT INTO `passenger3` VALUES (3,'9W2334'),(7,'9W2334'),(8,'AA4367'),(1,'AI2014'),(13,'AI2014'),(11,'BA1689'),(14,'BA1689'),(6,'BA3056'),(10,'EK3456'),(5,'EY1234'),(2,'LH9876'),(4,'QR1902'),(9,'QR1902'),(12,'QR1902'),(15,'QR2305');


--
-- Table structure for table `serves`
--

DROP TABLE IF EXISTS `serves`;
CREATE TABLE `serves` (
  `SSN` int NOT NULL,
  `PID` int NOT NULL,
  `PASSPORTNO` varchar(10) NOT NULL,
  PRIMARY KEY (`SSN`,`PID`,`PASSPORTNO`),
  KEY `PID` (`PID`,`PASSPORTNO`),
  CONSTRAINT `serves_ibfk_1` FOREIGN KEY (`SSN`) REFERENCES `employee1` (`SSN`) ON DELETE CASCADE,
  CONSTRAINT `serves_ibfk_2` FOREIGN KEY (`PID`, `PASSPORTNO`) REFERENCES `passenger1` (`PID`, `PASSPORTNO`) ON DELETE CASCADE
) ENGINE=InnoDB;

--
-- Dumping data for table `serves`
--


INSERT INTO `serves` VALUES (123456789,1,'A1234568'),(888665555,4,'D1002004'),(123456789,7,'J9801235'),(888665555,7,'J9801235'),(123456789,9,'Q1243567'),(333445555,10,'S1243269'),(333445555,12,'K3212322'),(888665555,12,'K3212322'),(888665555,13,'P3452390'),(123456789,15,'R8990566');


--
-- Table structure for table `ticket1`
--

DROP TABLE IF EXISTS `ticket1`;

CREATE TABLE `ticket1` (
  `TICKET_NUMBER` bigint NOT NULL,
  `SOURCE` varchar(3) DEFAULT NULL,
  `DESTINATION` varchar(3) DEFAULT NULL,
  `DATE_OF_BOOKING` date DEFAULT NULL,
  `DATE_OF_TRAVEL` date DEFAULT NULL,
  `SEATNO` varchar(5) DEFAULT NULL,
  `CLASS` varchar(15) DEFAULT NULL,
  `DATE_OF_CANCELLATION` date DEFAULT '0000-00-00',
  `PID` int DEFAULT NULL,
  `PASSPORTNO` varchar(10) DEFAULT NULL,
  KEY `PID` (`PID`,`PASSPORTNO`),
  CONSTRAINT `ticket1_ibfk_1` FOREIGN KEY (`PID`, `PASSPORTNO`) REFERENCES `passenger1` (`PID`, `PASSPORTNO`) ON DELETE CASCADE
) ENGINE=InnoDB;

--
-- Dumping data for table `ticket1`
--


INSERT INTO `ticket1` VALUES (11234111122,'BOM','DFW','2016-05-11','2016-12-15','32A','ECONOMY',NULL,1,'A1234568'),(984567222299,'JFK','BOM','2016-06-11','2016-12-20','45D','ECONOMY','2016-12-10',2,'B9876541'),(1768901333273,'IAH','DEL','2016-08-21','2016-12-25','1A','BUSINESS',NULL,3,'C2345698'),(5890987441464,'IXC','IAH','2016-08-10','2017-01-12','20C','FIRST-CLASS',NULL,4,'D1002004'),(1577654664266,'JFK','TPA','2016-06-13','2016-12-10','54E','ECONOMY',NULL,5,'X9324666'),(2206543545545,'BOM','DFW','2016-11-11','2017-02-12','43B','ECONOMY',NULL,6,'B8765430'),(7064321779737,'IAH','DEL','2016-11-15','2016-12-25','27B','FIRST-CLASS',NULL,7,'J9801235'),(1571357215116,'SFO','FRA','2016-08-15','2016-12-18','34E','ECONOMY',NULL,8,'A1122334'),(1570864987655,'IXC','IAH','2016-11-12','2016-12-30','54C','ECONOMY',NULL,9,'Q1243567'),(1579283997799,'BOM','SFO','2016-01-22','2016-12-15','38A','ECONOMY',NULL,10,'S1243269'),(1255701876107,'FRA','DEL','2017-10-19','2016-12-31','57F','ECONOMY',NULL,11,'E3277889'),(1251334499699,'IXC','IAH','2016-11-20','2017-01-12','45D','ECONOMY',NULL,12,'K3212322'),(1258776199490,'BOM','DFW','2016-05-13','2016-12-15','37C','ECONOMY','2016-05-25',13,'P3452390'),(5891155114477,'FRA','DEL','2016-07-27','2016-12-23','55C','ECONOMY',NULL,14,'W7543336'),(5893069766787,'BOM','DFW','2015-03-16','2015-09-22','33F','ECONOMY',NULL,15,'R8990566');


--
-- Table structure for table `ticket2`
--

DROP TABLE IF EXISTS `ticket2`;
CREATE TABLE `ticket2` (
  `DATE_OF_BOOKING` date NOT NULL,
  `SOURCE` varchar(3) NOT NULL,
  `DESTINATION` varchar(3) NOT NULL,
  `CLASS` varchar(15) NOT NULL,
  `PRICE` int DEFAULT NULL,
  PRIMARY KEY (`DATE_OF_BOOKING`,`SOURCE`,`DESTINATION`,`CLASS`)
) ENGINE=InnoDB;

--
-- Dumping data for table `ticket2`
--


INSERT INTO `ticket2` VALUES ('2016-01-22','BOM','SFO','ECONOMY',45000),('2016-05-11','BOM','DFW','ECONOMY',95000),('2016-05-13','BOM','DFW','ECONOMY',65000),('2016-05-21','IAH','DEL','BUSINESS',200000),('2016-06-11','JFK','BOM','ECONOMY',100000),('2016-06-16','JFK','TPA','ECONOMY',98000),('2016-06-26','FRA','DEL','ECONOMY',80000),('2016-08-10','IXC','IAH','FIRST-CLASS',150000),('2016-08-11','BOM','DFW','ECONOMY',98000),('2016-10-15','SFO','FRA','ECONOMY',170000),('2016-10-19','FRA','DEL','ECONOMY',100000),('2016-11-11','BOM','DFW','ECONOMY',125000),('2016-11-12','IXC','IAH','ECONOMY',140000),('2016-11-15','IAH','DEL','FIRST-CLASS',195000),('2016-11-20','IXC','IAH','ECONOMY',120000);


--
-- Table structure for table `ticket3`
--

DROP TABLE IF EXISTS `ticket3`;
CREATE TABLE `ticket3` (
  `DATE_OF_CANCELLATION` date NOT NULL,
  `SURCHARGE` int DEFAULT NULL,
  PRIMARY KEY (`DATE_OF_CANCELLATION`)
) ENGINE=InnoDB;

--
-- Dumping data for table `ticket3`
--


INSERT INTO `ticket3` VALUES ('2016-05-25',25000),('2016-12-10',75000);


--
-- Dumping events for database 'airport'
--

--
-- Dumping routines for database 'airport'

created 3 years ago

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;