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Oracle max_seq_calc

2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >

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DECLARE

TYPE seq_st_tt IS TABLE OF INT

Seq_st seq_st_tt: = seq_st_tt (20 meme, 10 lime5, 5 lime3, 5, 4, 4, 2, 7, 40)

Tmpsum INT: = 0

Maxval INT: = seq_st (1)

Spos INT: = 1

Epos INT: = 1

Nspos INT: = 1

Nepos INT: = 1

BEGIN

FOR i IN 1..seq_st.count LOOP

Tmpsum: = tmpsum + seq_st (I)

IF (tmpsum

< 0) THEN nspos := i + 1; nepos := i + 1; tmpsum := 0; ELSIF(tmpsum >

= maxval) THEN

Spos: = nspos

Epos: = nepos

Nepos: = nepos + 1

Maxval: = tmpsum

ELSE

Nepos: = nepos + 1

END IF

END LOOP

Dbms_output.put_line ('the max linear sequence from' | | spos | |'to'| | epos | |'is'| | maxval)

END

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