sql difference between tables
-- Oracle
-- Example
SELECT *
FROM Table1 -- the table containing extra records
MINUS
SELECT *
FROM Table2;
-- Syntax
SELECT *
FROM <table-1> -- the table containing extra records
MINUS
SELECT *
FROM <table-2>;how to compare in sql
(Between) operator same as ">= <="
For example:
Select * From Employees Where salary Between 4000 AND 6000;
(NOT) operator excluding given
For example:
Select last_name, job_id From Employees
Where "Not" job_id = 'ABC';
(IN) operator in sql like "OR" operator
For example:
Select * From employees
Where department_id "IN" (60,90);
(Like) Operator for partial searches using wildcard '%' and '_'
For Example:
Select * From Employees
Where last_name LIKE '_a%';
(Top N results)
Select * From Employees Where ROWNUM <=5;
(NVL) replaces NULL values with same type default
value provided.
For Example =
Select NVL(commission_percentage, 0)
From Employees;Copyright © 2021 Codeinu
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