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SQLite - Comparison Operators
Example
Consider COMPANY table with the following records.
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
The following example will show the usage of various SQLite Comparison Operators.
Here, we have used WHERE clause, which will be explained in a separate chapter but for now you can understand that WHERE clause is used to put a conditional statement alongwith SELECT statement.
Following SELECT statement lists down all the records having SALARY greater than 50,000.00.
sqlite> SELECT * FROM COMPANY WHERE SALARY > 50000; ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 4 Mark 25 Rich-Mond 65000.0 5 David 27 Texas 85000.0
Following SELECT statement lists down all the records having SALARY equal to 20,000.00.
sqlite> SELECT * FROM COMPANY WHERE SALARY = 20000; ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 1 Paul 32 California 20000.0 3 Teddy 23 Norway 20000.0
Following SELECT statement lists down all the records having SALARY not equal to 20,000.00.
sqlite> SELECT * FROM COMPANY WHERE SALARY != 20000; ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 2 Allen 25 Texas 15000.0 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
Following SELECT statement lists down all the records having SALARY not equal to 20,000.00.
sqlite> SELECT * FROM COMPANY WHERE SALARY <> 20000; ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 2 Allen 25 Texas 15000.0 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
Following SELECT statement lists down all the records having SALARY greater than or equal to 65,000.00.
sqlite> SELECT * FROM COMPANY WHERE SALARY >= 65000; ID NAME AGE ADDRESS SALARY ---------- ---------- ---------- ---------- ---------- 4 Mark 25 Rich-Mond 65000.0 5 David 27 Texas 85000.0