sqlite> select 20+30;
20+30 = 50
sqlite> select 20-30;
20-30 = -10
sqlite> select 20*30;
20*30 = 600
sqlite> select 20/30;
20/30 = 0
sqlite> select 20%30;
20%30 = 20
sqlite>
sqlite> .mode column
sqlite> select * from company;
id name age address salary
---------- ---------- ---------- ---------- ----------
1 Paul 32 California 20000.0
2 Allen 25 Texas 15000.0
3 Teddy 23 Norway 20000.0
4 Mark 25 Rich-Mond 65000.0
5 David 27 Texas 85000.0
6 Kim 22 South-Hall 45000.0
7 James 24 Houston 10000.0
sqlite> select * from company where salary > 60000;
id name age address salary
---------- ---------- ---------- ---------- ----------
4 Mark 25 Rich-Mond 65000.0
5 David 27 Texas 85000.0
sqlite> select * from company where salary = 15000;
id name age address salary
---------- ---------- ---------- ---------- ----------
2 Allen 25 Texas 15000.0
sqlite> select * from company where salary !=85000;
id name age address salary
---------- ---------- ---------- ---------- ----------
1 Paul 32 California 20000.0
2 Allen 25 Texas 15000.0
3 Teddy 23 Norway 20000.0
4 Mark 25 Rich-Mond 65000.0
6 Kim 22 South-Hall 45000.0
7 James 24 Houston 10000.0
sqlite> select * from company where salary >= 45000;
id name age address salary
---------- ---------- ---------- ---------- ----------
4 Mark 25 Rich-Mond 65000.0
5 David 27 Texas 85000.0
6 Kim 22 South-Hall 45000.0
sqlite>
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