SELECT distinct c.CUSTOMER_ID , initcap(C.CUST_FIRST_NAME || ' ' || C.CUST_LAST_NAME) Name, o.ORDER_ID, O.ORDER_TOTAL
FROM DEMO_CUSTOMERS C, DEMO_ORDERS O, DEMO_ORDER_ITEMS I
where C.CUSTOMER_ID = O.CUSTOMER_ID and
I.ORDER_ID = O.ORDER_ID
------------------------------------------------------
* SQL SELECT DISTINCT Statement
In a table, a column may contain many duplicate values; and sometimes you only want to list the different (distinct) values.
The DISTINCT keyword can be used to return only distinct (different) values.
No. | Subject | Author | Date | Views |
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21 | UPDATE PROCESS | admin | 2016.04.28 | 167 |
» | SQL SELECT DISTINCT Statement | admin | 2016.04.29 | 161 |
19 | INSERT PROCESS | admin | 2016.04.28 | 160 |
18 | DELETE PROCESS | admin | 2016.04.28 | 158 |
17 | MAX | admin | 2016.04.28 | 155 |
16 | PHONE NUMBER | admin | 2016.04.28 | 153 |
15 | NVL | admin | 2016.05.19 | 152 |
14 | CREATE (INSERT) PROCESS | admin | 2016.04.28 | 151 |
13 | Field Showing | admin | 2016.04.01 | 149 |
12 | Outer Join with Oracle SQL | admin | 2016.04.29 | 148 |
11 | COUNT | admin | 2016.04.28 | 146 |
10 | How to Update Oracle XE | admin | 2018.04.25 | 139 |
9 | HEAD TITLE (제목)을 조건에 따라 바꾸기 | admin | 2016.05.03 | 133 |
8 | Global & Custom Serach | admin | 2016.04.28 | 128 |
7 | LIST OF VALUE (DYNAMIC) | admin | 2016.04.28 | 127 |
6 | Oracle SQL Developer: Online Migration 3.1 | admin | 2018.04.25 | 121 |
5 | Display Value, Return Value | admin | 2016.05.10 | 116 |
4 | EMPLOYEE_LEVEL_ID | admin | 2016.05.03 | 89 |
3 | STARTUP | admin | 2022.09.01 | 84 |
2 | LOOP TABLE UPDATE | admin | 2023.05.19 | 52 |