Αποτελέσματα Αναζήτησης
15 Μαρ 2010 · If you have lots of records to update, use join, so something like: update (select bonus from employee_bonus b inner join employees e on b.employee_id = e.employee_id where e.bonus_eligible = 'N') t set t.bonus = 0;
18 Ιουν 2011 · UPDATE sample_table2 a SET R1_TOT_AVAIL = (select count(b.plan) from sample_table1 b where b.plan = a.plan and b.brand = a.brand and trim(b.reason) = 'nonbillable' group by b.plan, b.brand) R1_TOT_DURATION = (select sum(b.duration) from sample_table1 b where b.plan = a.plan and b.brand = a.brand and trim(b.reason) = 'nonbillable' group by b ...
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 ...
19 Φεβ 2015 · UPDATE CONTACT SET PHONE = p.PHONE, FAX = p.FAX. 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. ) However select brings back the records : SELECT * FROM PERSON p.
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 ...
20 Μαΐ 2023 · Syntax: Simply writing about the syntax structure, we have the following command for the update query with JOIN clauses: UPDATE G1, G2, {INNER JOIN | LEFT JOIN} G1 ON G1.C1 = G2.C2 SET G1.C2 = G2.C2, G2.C3 = expre WHERE conditional expressional; Let us explain in detail the above-used syntax:
This statement updates the value of a single column, FLIGHT_NUMBER, in a particular row. The row to be updated is specified using a WHERE clause. After the update operation, a SELECT statement displays the data in the FLIGHTS table. Verify that the specified column was updated.
