sql compare strings
SELECT * FROM table WHERE Column = 'test'; -- can use index
SELECT * FROM table WHERE Column LIKE '%test%'; -- can't use index
SELECT * FROM table WHERE CONTAINS(Column, 'test'); -- faster with full text indexsql compare strings
SELECT * FROM table WHERE Column = 'test'; -- can use index
SELECT * FROM table WHERE Column LIKE '%test%'; -- can't use index
SELECT * FROM table WHERE CONTAINS(Column, 'test'); -- faster with full text indexhow 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;compare strings lexicographically in sql
'ball' < 'water'
if you are looking for solving the question from HyperSkills/expressions then this is what you need(don't forget to use Select statement) :DCopyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
