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Restrictions in a READ ONLY Transaction in Oracle
What Are the Restrictions in a READ ONLY Transaction in Oracle?
✍: FYIcenter.com
There are lots of restrictions in a READ ONLY transaction:
The tutorial exercise below shows you some of the restrictions:
SQL> connect HR/fyicenter SQL> SET TRANSACTION READ ONLY; Transaction set. SQL> SET TRANSACTION READ WRITE; ORA-01453: SET TRANSACTION must be first statement of transaction SQL> INSERT INTO fyi_links (url, id) 2 VALUES ('sql.com', 113); ORA-01456: may not perform insert/delete/update operation inside a READ ONLY transaction SQL> DELETE FROM fyi_links where id = 110; ORA-01456: may not perform insert/delete/update operation inside a READ ONLY transaction SQL> SELECT * FROM fyi_links; ID URL NOTES COUNTS CREATED ------- ---------------- ---------- ---------- --------- 101 FYICENTER.COM 07-MAY-06 110 CENTERFYI.COM 07-MAY-06
⇒ General Rules on Data Consistency in Oracle
⇐ Set a READ ONLY Transaction in Oracle
2019-08-19, 1402👍, 0💬
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