Αποτελέσματα Αναζήτησης
update TABLEB set VALUE = ( select VALUE from TableA where ID = '1' and TABLEB.AS_OF_DATE < TABLEA.ADD_TIME ) where TABLEB.AS_OF_DATE < (select ADD_TIME from TABLEA where ID = '1')
The syntax for the Oracle UPDATE statement when updating one table with data from another table is: UPDATE table1 SET column1 = (SELECT expression1 FROM table2 WHERE conditions) [WHERE conditions];
UPDATE (SELECT tt.id, tt.code, tt.description, st.code AS st_code, st.description AS st_description FROM dest_tab tt, source_tab st WHERE tt.id = st.id AND st.id = 2500) ilv SET ilv.code = ilv.st_code, ilv.description = ilv.st_description; -- Rows limited by the WHERE clause of the UPDATE.
Use the UPDATE statement to change existing values in a table or in the base table of a view or the master table of a materialized view.
2 Ιουν 2023 · Basic Update Statement. To update data in a table, we can run an UPDATE statement. The syntax of an update statement is this: UPDATE table SET column = value WHERE condition; You can specify one table and one or more pairs of columns and values. You can also specify a condition in the WHERE clause so that only matching rows are updated.
This article shows how the WITH clause can be used to reduce repetition and simplify complex SQL statements. I'm not suggesting the following queries are the best way to retrieve the required information. They merely demonstrate the use of the WITH clause.
Syntax. { UPDATE table-Name [[AS] correlation-Name] SET column-Name = Value . [ , column-Name = Value} ]* [WHERE clause] |. UPDATE table-Name . SET column-Name = Value . [ , column-Name = Value ]* WHERE CURRENT OF . } where Value is defined as follows: Expression | DEFAULT.
