Αποτελέσματα Αναζήτησης
15 Μαρ 2010 · You can do this: UPDATE table1 SET table1.value = (SELECT table2.CODE. FROM table2 . WHERE table1.value = table2.DESC) WHERE table1.UPDATETYPE='blah'
19 Φεβ 2015 · SELECT * FROM PERSON p. INNER JOIN CONTACT on CONTACT.PERSON_ID = p.PERSON_ID. WHERE CONTACT.CURRENT_YEAR_ID = (. SELECT CURRENT_YEAR_ID FROM CURRENT_YEAR WHERE DEFAULT_YEAR = 1. ); Tried another variant : UPDATE CONTACT. SET CONTACT.PHONE = p.PHONE, CONTACT.FAX = p.FAX.
27 Δεκ 2023 · Before diving into complex examples, let's understand the basic syntax of an update with a join operation in Oracle: sql UPDATE table1 SET table1.target_column = (SELECT table2.source_column FROM table2 WHERE table1.join_column = table2.join_column) WHERE EXISTS (SELECT 1 FROM table2 WHERE table1.join_column = table2.join_column); In the above ...
24 Μαΐ 2017 · Usually, when you need to join multiple tables in an UPDATE, MERGE is the solution. merge into address a1 using ( select p.address_fk, ta2.tempaddress1 from premise p join account ac on (ac.id = p.account_fk) join tempaddresstable ta2 on (ac.ext_ref = ta2.tempextref) ) ta1 on (a1.id = ta1.address_fk) when matched then update set a1.address1 ...
24 Μαΐ 2004 · My understanding from the manuals is that I can use FOR UPDATE with a join cursor and potentially update columns in each table in the join. But in practice I have not been able to make it work. Here's a sample script: set serveroutput on. create table t_dave1. mykey number. primary key, myvalue varchar2(30) create table t_dave2. mykey number.
The following statement updates three columns, FLIGHT_NUMBER, FLIGHT_DURATION, and OPERATING_CARRIER_CODE, in a single row of the FLIGHTS table. The row to be updated is identified using the WEHERE clause. A SELECT statement displays the updated content for the FLIGHTS table for verification.
29 Αυγ 2013 · SELECT b.date_key, b.day_name_of_week, a.name, SUM(a.tot) FROM Dim_Date b JOIN. (SELECT c.name, nvl(sa.total_sales,0) AS tot, sa.date_key. FROM Fact_Prod_Sales_By_Cat sa. LEFT JOIN Dim_Prod_Cat c ON sa.prod_cat_key = c.prod_cat_key. GROUP BY sa.date_key) a. ON a.date_key = b.date_key. GROUP BY a.name,b.date_key;
