Syntax:		CREATE DATABASE database_name;
Example:	CREATE DATABASE abc;

Syntax:		DROP DATABASE database_name;
Example: 	DROP DATABASE abc;

Syntax:		SHOW DATABASES;
Example: 	SHOW DATABASES;

Syntax:		USE database_name;
Example: 	USE abc;

Syntax:		CREATE TABLE table_name
			(
			column_name1 data_type(size),
			column_name2 data_type(size),
			column_name3 data_type(size),
			....,
			PRIMARY KEY (column_name)
			);
Example: 	CREATE TABLE aaa
			(
			col1 int,
			col2 float,
			col3 char(8),
			PRIMARY KEY (col1)
			);

Syntax:		DROP TABLE table_name;
Example:	DROP TABLE aaa;

Syntax:		SHOW TABLES;
Example: 	SHOW TABLES;

Syntax:		CREATE INDEX index_name
			ON table_name (column_name);
Example: 	CREATE INDEX aaacol1 
			ON aaa (col1);

Syntax:		DROP INDEX index_name;
Example:	DROP INDEX aaacol1;

Syntax:		INSERT INTO table_name
			VALUES (value1, value2, value3, ...);
Example: 	INSERT INTO aaa
			VALUES (111, 222.2, 'xyz');

Syntax:		SELECT * FROM table_name
			WHERE column1 = value1
			and column2 = value2
			and ...;
Example:	SELECT * FROM aaa
			WHERE col1 = 111;

Syntax:		DELETE FROM table_name 
			WHERE column1 = value1
			and column2 = value2
			and ...;
Example:	DELETE FROM aaa
			WHERE col1 = 111;

Syntax:		UPDATE table_name
			SET column1 = value1, column2 = value2, ...
			WHERE column1 = value1
			and column2 = value2
			and ...;
Example:	UPDATE aaa
			SET col2 = 555.5
			WHERE col1 = 1;

Syntax:		HELP;
Example: 	HELP;

Syntax:		EXIT
			or
			QUIT
Example:	EXIT
			or
			QUIT

Syntax:		EXEC file_name;
Example: 	EXEC input.txt;