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dbms transaction (psql) Code Example
dbms transaction (psql) 
BEGIN;
UPDATE accounts SET balance = balance - 100.00
    WHERE name = 'Alice';
SAVEPOINT my_savepoint;
UPDATE accounts SET balance = balance + 100.00
    WHERE name = 'Bob';
-- oops ... forget that and use Wally's account
ROLLBACK TO my_savepoint;
UPDATE accounts SET balance = balance + 100.00
    WHERE name = 'Wally';
COMMIT;
Source: www.postgresql.org



Sql

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Type:
 Code Example
Category:
 Coding
Sub Category:
 Code Example
Uploaded by:
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Views:
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