Αποτελέσματα Αναζήτησης
15 Νοε 2010 · UPDATE ( SELECT f1.firstfield, f2.anotherfield, f2.something FROM file1 f1 WHERE f1.firstfield like 'BLAH%' INNER JOIN file2 f2 ON substr(f1.firstfield,10,20) = substr(f2.anotherfield,1,10) ) AS my_files(firstfield, anotherfield, something) SET firstfield = ( 'BIT OF TEXT' || something )
17 Νοε 2013 · update order_attributes set value = ( select created_by_name from( select created_by_name, oa.order_id from order_approvals oa left outer join order_attributes ot on oa.order_id = ot.order_id AND OT.ATTRIBUTE_ID = 123 and OT.ORDER_ID in (select ORDER_ID from ORDER_APPROVALS where PROCESS_DT is NULL) ) ORDERS WHERE orders.order_id = order ...
The UPDATE statement updates the values of specified columns in rows of a table, view or nickname, or the underlying tables, nicknames, or views of the specified fullselect.
The UPDATE statement modifies zero or more rows of a table, depending on how many rows satisfy the search condition that you specify in the WHERE clause. You can use an UPDATE or MERGE statement to specify the values that are to be updated in a single row. You can specify constants, host variables, expressions, DEFAULT, or NULL.
This tutorial shows you step by step how to use the Db2 INNER JOIN clause to query data from two or more related tables.
You can retrieve and join column values from two or more tables into a single row. Several different types of joins are supported by Db2 for i: inner join, left outer join, right outer join, left exception join, right exception join, and cross join. Usage notes on join operations. When you join two or more tables, consider the following items:
This tutorial shows you how to use Db2 joins including inner join, left outer join, right outer join, and full outer join to combine rows from two tables.
