summary of basic SQL
All you need to know about this course, please add more if you guys find others
Union (union all) -- combine rows from different tables Join (inner, left, right) -- combine columns from different tabls Insect into Values(), Delete From-- add or delete rows in table Update - Set -- update colunms' value Alter Table - Add, Drop, Rename --- add or delete or rename colunms Creat Table tablename ( name varchar(50) ID int Primary KEY(ID). )
How do I generate a list with <N> unique elements randomly selected from another (already existing) list?
Given three integer matrices A(m*n),B(m*n) and C(m*n) . Print the one with more zero elements. beside code
I'm coding this for hours & can't make the value of the 5 random numbers round off to 2 decimal places like in the examples
Overloading + operator
1. Write a program that asks the user for their name and how many times to print it. The program should print out the user’s nam