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一些 schema 的常用脚本归类介绍

2024-07-21 02:35:33
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  getcode.sql --获得某个存储过程、包、函数代码脚本
  set feedback off
  set heading off
  set termout off
  set linesize 1000
  set trimspool on
  set verify off
  spool &1..sql
  PRompt set define off
  select decode( type'-'to_char(line,'fm99999'),
          'PACKAGE BODY-1', '/'chr(10),
          null)
      decode(line,1,'create or replace ', '' )
      text text
   from user_source
  where name = upper('&&1')
  order by type, line;
  prompt /
  prompt set define on
  spool off
  set feedback on
  set heading on
  set termout on
  set linesize 100
  
  ############################################################
              getallcode.sql --获得所以存储过程、包、函数代码脚本
  set termout off
  set heading off
  set feedback off
  set linesize 50
  spool xtmpx.sql
  select '@getcode ' object_name
  from user_objects
  where object_type in ( 'PROCEDURE', 'FUNCTION', 'PACKAGE' )
  /
  spool off
  spool getallcode_INSTALL.sql
  select '@' object_name
  from user_objects
  where object_type in ( 'PROCEDURE', 'FUNCTION', 'PACKAGE' )
  /
  spool off
  set heading on
  set feedback on
  set linesize 130
  set termout on
  @xtmpx.sql
  ############################################################
              getaview.sql --获得某个视图脚本
  set heading off
  set feedback off
  set linesize 1000
  set trimspool on
  set verify off
  set termout off
  set embedded on
  set long 50000
  
  column column_name format a1000
  column text format a1000
  
  spool &1..sql
  prompt create or replace view &1 (
  select decode(column_id,1,'',',') column_name column_name
  from user_tab_columns
  where table_name = upper('&1')
  order by column_id
  /
  prompt ) as
  select text
  from user_views
  where view_name = upper('&1')
  /
  prompt /
  spool off
  
  set heading on
  set feedback on
  set verify on
  set termout on
  
  ############################################################
              getallview.sql --获得所有视图脚本
  set heading off
  set feedback off
  set linesize 1000
  set trimspool on
  set verify off
  set termout off
  set embedded on
  
  spool tmp.sql
  select '@getaview ' view_name
  from user_views
  /
  spool off
  
  set termout on
  set heading on
  set feedback on
  set verify on
  @tmp
  
  
  ##########################################################
              gettrig.sql --获得触发器脚本
  set heading off
  set feedback off
  set linesize 1000
  set trimspool on
  set verify off
  set termout off
  set embedded on
  
  spool &1..sql
  select
  'create or replace trigger "'
            trigger_name'"'chr(10)
            decode(substr(trigger_type,1,1),
            'A','AFTER','B',BEFORE','I','INSTEAD OF')
            CHR(10)
        triggering_eventchr(10)
        'ON"'table_owner'"."'
        table_name'"'chr(10)
        decode(instr(trigger_type,'EACH ROW'),0,null,
                     'FOR EACH ROW')chr(10),
   trigger_body
  from user_triggers
  where trigger_name = upper('&1')
  /
  prompt /
  
  spool off
  set verify on
  set feedback on
  set termout on
  set heading on
  
  #################################################################
                      analyze.sql --分析某用户下的表及索引(大表将以评估的方式分析)
                      
  set serveroutput on size 100000
  declare
   v_per number(3);
   v_start number := dbms_utility.get_time;
   v_end  number;
  begin
  
  for rec in (select segment_name,segment_type,ceil(sum(bytes)/1024/1024) segment_size
   from user_segments group by segment_name,segment_type)
  loop
  
    if rec.segment_type = 'INDEX' then
       dbms_stats.gather_index_stats(ownname=>'?
??', --自己改一下
                      INDNAME=>rec.segment_name
                     );
  
  --    dbms_output.put_line(rec.segment_name' 'rec.segment_size'm 'ceil((dbms_utility.get_time - v_start)/100)'s');
       v_start := dbms_utility.get_time;
  
    elsif rec.segment_type = 'TABLE' then
      case when rec.segment_size < 32 then
        v_per := 100;
         when rec.segment_size < 320 then
        v_per := 10;
      else
        v_per := 1;
      end case;
         dbms_stats.gather_table_stats(OWNNAME=>'???',
            TABNAME=>rec.segment_name,
            ESTIMATE_PERCENT=>v_per,
            METHOD_OPT=>'FOR ALL INDEXED COLUMNS');
  
  --     dbms_output.put_line(rec.segment_name' 'rec.segment_size'm 'ceil((dbms_utility.get_time - v_start)/100)'s');
       v_start := dbms_utility.get_time;
  
    end if;
  end loop;
  end;
  /                    
  
  ###############################################################
               print_table --纵向显示一行
              
              
  create or replace
  procedure print_table( p_query in varchar2 )
  AUTHID CURRENT_USER
  is
    l_theCursor   integer default dbms_sql.open_cursor;
    l_columnValue  varchar2(4000);
    l_status    integer;
    l_descTbl    dbms_sql.desc_tab;
    l_colCnt    number;
  begin
    dbms_sql.parse( l_theCursor, p_query, dbms_sql.native );
    dbms_sql.describe_columns( l_theCursor, l_colCnt, l_descTbl);
  
    for i in 1 .. l_colCnt loop
      dbms_sql.define_column(l_theCursor, i, l_columnValue, 4000);
    end loop;
  
    l_status := dbms_sql.execute(l_theCursor);
  
    while ( dbms_sql.fetch_rows(l_theCursor) > 0 ) loop
      for i in 1 .. l_colCnt loop
        dbms_sql.column_value( l_theCursor, i, l_columnValue );
        dbms_output.put_line( rpad( l_descTbl(i).col_name, 30 )
                    ': '
                   l_columnValue );
      end loop;
      dbms_output.put_line( '-----------------' ); --注重假如输出的行比较多的话,要加大dbms_output.enable(值)
    end loop;
  exception
    when others then
      dbms_sql.close_cursor( l_theCursor );
      RAISE;
  end;
  /
  
  grant execute on print_table to public;
  
  --该脚本是实现横向改成纵向显示
  例如:
  一行记录显示如下:
  ADMIN_MEMBER_ID        : dealeXPress
  VIEW_NAME           : Deal Express
  BUSINESS_TYPE         : 5
  FIRST_NAME          : Tim
  LAST_NAME           : Horton
  JOB_TITLE           :
  PROVINCE           : Wisconsin
  COUNTRY            : US
  PHONE_COUNTRY         : 1920
  PHONE_AREA          : 623

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