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Snippet Name: UPDATE: Update from a SELECT statement

Description: Update based on results of a SELECT statement.

Also see:
» TABLE - Using Select Statement With D...
» Perl SQL Update Example
» SELECT: Case insensitive search
» SELECT: Partition Select
» SELECT: Select For Update
» SELECT: Using Functions
» SELECT: Get DISTINCT / UNIQUE values
» SELECT: Get UNIQUE / DISTINCT values
» SELECT: Scalar Select
» SELECT with HAVING Clause
» SELECT with GROUP BY Clause
» SELECT with WHERE Clause
» SELECT with SAMPLE clause
» SELECT placement
» SELECT into a table
» SELECT name columns
» SELECT
» UPDATE: Update a partitioned table
» UPDATE: Update based on a record
» UPDATE: Update Object Table
» UPDATE: with RETURNING clause
» UPDATE: Nested Table Update example
» UPDATE: Correlated Update
» UPDATE: Update from a SELECT statement
» UPDATE: based on multiple returned val...
» UPDATE: Update based on a query
» UPDATE: Update multiple rows
» UPDATE: update a specific record
» UPDATE: Single row
» Inserting into SELECT statement

Comment: Be warned: it's amazing how much damage you can do with this kind of update when it goes wrong.

Language: PL/SQL
Highlight Mode: PLSQL
Last Modified: March 04th, 2009

UPDATE (<SELECT Statement>)
SET <column_name> = <value>
WHERE <column_name> <condition> <value>;
 
SELECT *
FROM my_table
WHERE table_name LIKE '%FOO%';
 
SELECT *
FROM my_table
WHERE table_name NOT LIKE '%FOO%';
 
UPDATE (
  SELECT *
  FROM my_table
  WHERE table_name NOT LIKE '%FOO%')
SET extent_management = 'Unknown'
WHERE table_name NOT LIKE '%FOO%';
 
SELECT * FROM my_table;


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