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Snippet Name: SELECT: Select For Update

Description: The Select For Update statement allows you to lock the records in the cursor result set. You are not required to make changes to the records in order to use this statement. The record locks are released when the next commit or rollback statement is issued.

Also see:
» TABLE - Using Select Statement With D...
» SELECT: Case insensitive search
» SELECT: Partition Select
» 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 from a SELECT statement
» Inserting into SELECT statement
» INSERT with Select

Comment: (none)

Language: PL/SQL
Highlight Mode: PLSQL
Last Modified: March 05th, 2009

SELECT <column_name_list)
FROM <table_name_list>
FOR UPDATE;
 
-- and:
 
CURSOR cursor_name
IS
   select_statement
   FOR UPDATE [OF column_list] [NOWAIT];
 
 
-- for example: 
CURSOR c1
IS
SELECT course_number, instructor
FROM courses_tbl
FOR UPDATE OF instructor;


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