Oracle数据库SQLPLUS中几个常用set语句.doc

Oracle数据库SQLPLUS中几个常用set语句 SQL set echo on—————————————————设置运行命令是是否显示语句 SQL set feedback on———————————————-设置显示“已选择XX行” SQL set colsep | —————————————————设置列与列之间的分割符号 SQL set pagesize 10———————————————–设置每一页的行数 SQL SET SERVEROUTPUT ON——————————-设置允许显示输出类似dbms_output.putline SQL set heading on————————————————设置显示列名 SQL set timing on————————————————–设置显示“已用时间：XXXX” SQL set time on—————————————————–设置显示当前时间 SQL set autotrace on———————————————–设置允许对执行的sql进行分析 00:38:28 SQL set echo on 00:38:37 SQL @E:echo.sql 00:38:41 SQL select status from v$datafile where rownum6; STATUS SYSTEM ONLINE ONLINE ONLINE ONLINE 已选择5行。 已用时间: 00: 00: 01.08 00:38:43 SQL set echo off 00:38:58 SQL @E:echo.sql STATUS ——- SYSTEM ONLINE ONLINE ONLINE ONLINE 已选择5行。 已用时间: 00: 00: 01.09 00:39:08 SQL SQL set feedback on SQL set colsep |SQL set pagesize 10 SQL set serveroutput onSQL set heading on SQL set timing on SQL set time on00:54:11 SQL SELECT FILE#, STATUS, ENABLED FROM V$DATAFILE; FILE#|STATUS |ENABLED———-|——-|———- 1|SYSTEM |READ WRITE 2|ONLINE |READ WRITE 3|ONLINE |READ WRITE 4|ONLINE |READ WRITE 5|ONLINE |READ WRITE 6|ONLINE |READ WRITE 7|ONLINE |READ WRITE FILE#|STATUS |ENABLED———-|——-|———- 9|ONLINE |READ WRITE 10|ONLINE |READ WRITE 11|ONLINE |READ WRITE 12|ONLINE |READ WRITE11 rows selected. Elapsed: 00:00:01.0700:54:34 SQL DECLARE 00:55:00 2 BEGIN 00:55:00 3 DBMS_OUTPUT.PUT_LINE(’===This is dbms_output.put_line!===’); 00:55:00 4 END; 00:55:02 5 / ===This is dbms_output.put_line!=== PL/SQL procedure successfully completed. Elapsed: 00:00:00.0200:55:05 SQL SQL set autotrace on SQL SELECT E.LAST_NAME, D.DEPARTMENT_NAME, D.LOCATION_ID 2 FROM HR.EMPLOYEES E 3 JOIN HR.DEPARTMENTS D 4 USING (DEPARTMENT_ID); LAST_NAME DEPARTMENT_NAME LOCATION_ID ————————- —————————— ———– King Executive 1700 Kochhar Executive 1700 De Haan Executive 1700 Hunold IT 1400 Ernst IT 1400…… 106 rows selected. Execution Plan ———————————————————- 0