【轉】SET SERVEROUTPUT

設定 oracle sqlplus DBMS_OUTPUT.put_line
SET SERVEROUT[PUT] {ON | OFF}
[SIZE {n | UNL[IMITED]}]
[FOR[MAT] {WRA[PPED] | WOR[D_WRAPPED] | TRU[NCATED]}]

1 設定DBMS_OUTPUT.put_line輸出顯示
SET SERVEROUTPUT ON

2 關閉DBMS_OUTPUT.put_line輸出顯示
SET SERVEROUTPUT OFF

3 設定DBMS_OUTPUT緩衝區大小
SET SERVEROUTPUT ON SIZE number（1000）

4 設定格式TRUNCATED: format 設定這個格式以後oracle會根據set linesize 的長度切斷而不再顯示
SCOTT>SET SERVEROUTPUT ON FORMAT TRUNCATED;
SCOTT>SET LINESIZE 10;
SCOTT>BEGIN
2 DBMS_OUTPUT.PUT_LINE('123 456 789 ABC');
3 END;
4 /
123 456 78

PL/SQL procedure successfully completed.

5 設定格式WRAPPED 這個會預設以set linesize 為分割切斷以後在新的一行顯示
SCOTT>SET SERVEROUTPUT ON FORMAT WRAPPED
SCOTT>SET LINESIZE 10;
SCOTT>BEGIN
2 DBMS_OUTPUT.PUT_LINE('123 456 789 ABC');
3 END;
4 /
123 456 78
9 ABC
PL/SQL procedure successfully completed.


6 設定格式WORD_WRAPPED 行的分割以單詞為分割，預設從左到右跳過空格，每行不超過set linesize
SCOTT>SET SERVEROUTPUT ON FORMAT WORD_WRAPPED;
SCOTT>SET LINESIZE 10;
SCOTT>BEGIN
2 DBMS_OUTPUT.PUT_LINE('123 456 789 ABC');
3 END;
4 /
123 456
789 ABC

PL/SQL procedure successfully completed.