Why cursor with fetch is not thrown many exceptions of line

CREATE TABLE plch_memes

(

meme_id INTEGER,

title VARCHAR2 (100),

Description VARCHAR2 (4000)

)

/

BEGIN

INSERT INTO plch_memes

VALUES)

1,

"Cats doing somersaults."

"When only the cat returns, the world turns with her.');

INSERT INTO plch_memes

VALUES)

1,

"The cats being the boss,"

"That really 'own' who?');

COMMIT;

END;

/

(Plch_meme_title) CREATE or REPLACE FUNCTION

meme_id_in IN plch_memes.meme_id%TYPE)

RETURN VARCHAR2

IS

CURSOR title_cur

IS

SELECT title

OF plch_memes

-WHERE meme_id = meme_id_in

;

l_return plch_memes.title%TYPE;

BEGIN

OPEN title_cur.

SEEK title_cur INTO l_return;

CLOSE Title_cur;

RETURN l_return;

END;

/

BEGIN

Dbms_output.put_Line (plch_meme_title (1));

END;

/

The function call should throw two many line exception?. Why search is not throw it away

Your extraction to retrieve the first row of the cursor.

However, your cursor is based on a select statement that has no order, so the 'first' record will be whatever happens to come first, and that could be one of the records in the table.

Tags: Database

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