SELECT & ALTER Statements in SQL

This tutorial has the knowledge transfer sessions of SELECT and ALTER Statements in SQL. The following set of queries is used for hands on CREATE TABLE football( SNO INT, PLAYER_NAME VARCHAR(25), TOTAL_WEALTH INT) INSERT INTO football VALUES(1,'WAYNE ROONEY', 112000) INSERT INTO football VALUES(2,'ZLATAN' ,212000) INSERT INTO football VALUES(3,'NEYMAR', 312000) INSERT INTO football VALUES(4,'CHRISTIANO RONALDO', 412000) INSERT INTO football VALUES(5,'LIONEL MESSI', 512000) SELECT * FROM football SELECT PLAYER_NAME FROM football SELECT TOTAL_WEALTH , PLAYER_NAME FROM football SELECT * FROM football ORDER BY PLAYER_NAME DESC SELECT TOP 3 * FROM football SELECT TOP 3 TOTAL_WEALTH FROM FOOTBALL ALTER TABLE FOOTBALL ADD COUNTRY VARCHAR(50) SELECT * FROM football ALTER TABLE FOOTBALL ALTER COLUMN PLAYER_NAME NCHAR(50) ALTER TABle FOOTBALL DROP COLUMN COUNTRY