data RAW(…)
…
INSERT INTO Student VALUES(‘zhangsan’, 20 , empty_blob() );
…
ii.更新该纪录的Blob。
…
SELECT Picture INTO bufferBlob FROM Student WHERE Name=’zhangsan’ FOR UPDATE;
DBMS_LOB.OPEN(bufferBlob , dbms_lob.lob_readwrite);
dbms_lob.write(bufferBlob , utl_raw.length(data) , data);
…
(待续)
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