336x280(권장), 300x250(권장), 250x250, 200x200 크기의 광고 코드만 넣을 수 있습니다.
A database transaction consist of one of the following:
- DML statements that constitute one consistent change to the data
- One DDL statement
- One data control language(DCL) statement
- Begin when the first DML SQL statements is executed.
- End with one of the following events;
- A COMMIT or ROLLBACK statement is issued
- A DDL or DCL statement executes (automatic commit)
- The user exits iSQL plus
- The system crashes.
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