DROP

From SQLZOO
Jump to navigation Jump to search

DROP

The table games shows the year and the city hosting the Olympic Games.

games
yrcity
2000Sydney
2004Athens
2008Beijing
2012London
schema:scott
 DROP TABLE games
 CREATE TABLE games(
  yr INTEGER PRIMARY KEY,
  city VARCHAR(20));
INSERT INTO games VALUES (2000,'Sydney');
INSERT INTO games VALUES (2004,'Athens');
INSERT INTO games VALUES (2008,'Beijing');
INSERT INTO games VALUES (2012,'London');

You can drop a table, a view or an index. The data will be lost.

DROP VIEW old_games;
DROP INDEX gamesIdx ON scott.games;
DROP VIEW old_games;
DROP INDEX gamesIdx ON games;

See also

DataWars, Data Science Practice Projects - LogoDataWars: Practice Data Science/Analysis with +100 Real Life Projects