Part 3: Data definition language,Check keyword,Implementation in sql.

Speed Of Grades

check keyword, alter table, truncate table, drop column, add column.
#databasemanagementsystem #sqlserver #datadefinitionlanguage
0:25 to 5:40 = check keyword
5:49 to 10:48 = how to add column
10:50 to 12:20 = how to delete/drop column
12:50 to 16:44 = how to change datatype
17:25 to 18:23 = data definition language
19:01 to 22:10 = how to truncate/remove data