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Question 28/47
Examine the structure of the TEST_DETAILS table: Name Null? Type
TEST_ID NUMBER DESCRIPTION CLOB DESCRIPTION data was entered earlier and saved for TEST_ID 12.
You execute this PL/SQL block to add data to the end of the existing data in the DESCRIPTION
column for TEST_ID 12:
DECLARE
clob_loc CLOB;
buf CHAR(12);
BEGIN
SELECT description INTO clob_loc FROM test_details WHERE test_id = 12 ;
buf := '0123456789';
DBMS_LOB.WRITEAPPEND(clob_loc,DBMS_LOB.GETLENGTH(buf), buf);
COMMIT;
END;
/
It generates an error on execution.
What correction should you do to achieve the required result?
TEST_ID NUMBER DESCRIPTION CLOB DESCRIPTION data was entered earlier and saved for TEST_ID 12.
You execute this PL/SQL block to add data to the end of the existing data in the DESCRIPTION
column for TEST_ID 12:
DECLARE
clob_loc CLOB;
buf CHAR(12);
BEGIN
SELECT description INTO clob_loc FROM test_details WHERE test_id = 12 ;
buf := '0123456789';
DBMS_LOB.WRITEAPPEND(clob_loc,DBMS_LOB.GETLENGTH(buf), buf);
COMMIT;
END;
/
It generates an error on execution.
What correction should you do to achieve the required result?
