Oracle SQL 语句收集

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--返回当前日期年度的第一天

select trunc(sysdate,'year') from dual;

--返回当前日期月份的第一天

select trunc(sysdate,'month') from dual;

--上月最后一天

select last_day(add_months(sysdate, -1)) from dual;

--给定日期后最近星期几的日期

select next_day(to_date('2009-12-01', 'yyyy-mm-dd'), '星期一') next_day from dual;

--查找表中多余的重复记录，重复记录是根据单个字段（peopleId）来判断

select * from people
where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)

--删除表中多余的重复记录，重复记录是根据单个字段（peopleId）来判断，只留有rowid最小的记录

delete from people
where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)
and rowid not in (select min(rowid) from people group by peopleId having count(peopleId)>1)

--查找表中多余的重复记录（多个字段）

select * from vitae a where (a.peopleId,a.seq) in (select peopleId,seq from vitae group by peopleId,seq having count(*) > 1)

--删除表中多余的重复记录（多个字段），只留有rowid最小的记录

delete from vitae a
where (a.peopleId,a.seq) in (select peopleId,seq from vitae group by peopleId,seq having count(*) > 1)
and rowid not in (select min(rowid) from vitae group by peopleId,seq having count(*)>1)

--得到当前时间的前一分钟

select to_char(Sysdate-1/21/60,'HH24:MI:SS')from dual; 

--得到当前时间的后一分钟

select to_char(Sysdate+1/21/60,'HH24:MI:SS')from dual; 

--得到当前时间的前一小时

select to_char(Sysdate-1/24,'HH24:MI:SS')from dual; 

--得到当前时间的后一小时

select to_char(Sysdate+1/24,'HH24:MI:SS')from dual; 

--得到当前时间的后一天

select to_char(Sysdate+1,'YYYY-MM-DD')from dual; 

--列出本月所有日期

SELECT TO_CHAR(sysdate,'yyyyMM')
    ||lpad(level,2,'0') ymd
  FROM dual
    CONNECT BY 1=1
  AND level    <= to_number(TO_CHAR(last_day(sysdate),'dd'))

--得到当前日期的Julian Date(即数字)

select to_char(to_date('2011-1-1','yyyy-MM-dd'),'J') from dual;

--判断当前日期是否为周末

DECLARE
  l_day  VARCHAR2(10);
BEGIN
  l_day := TRIM(TO_CHAR(SYSDATE, 'DAY'));

  IF l_day IN ('SATURDAY', 'SUNDAY') THEN
    DBMS_OUTPUT.put_line('It''s the weekend!');
  ELSE
    DBMS_OUTPUT.put_line('It''s not the weekend yet!');
  END IF;
END;

--根据出生年月日获得年龄

select trunc(months_between(sysdate,to_date('1983-01-30','yyyy-MM-dd'))/12) from dual;

--查看正在运行的sql

SELECT sess.program,
  sess.sid,
  sess.serial#,
  sess.username,
  sess.osuser,
  p.spid OSProcessID,
  sa.sql_text
FROM v$session sess,
  v$process p,
  v$sqlarea sa
WHERE sess.paddr=p.addr AND sess.sql_hash_value=sa.hash_value AND sess.username IS NOT NULL and sess.sql_id is not null  order by username,sid;

--查看各个表空间的自由空间

select tablespace_name,sum(bytes)/1024/1024 free_Mbytes
from dba_free_space
GROUP BY tablespace_name
order by free_Mbytes

--查看表所处的表空间

SELECT TABLE_NAME,TABLESPACE_NAME FROM all_tables WHERE table_name = 'TEST';

--逻辑快速删除表中的字段

ALTER TABLE TEST SET UNUSED (COLUMN1,COLUMN2,COLUMN3);
alter table TEST  drop unused columns checkpoint 1000;

--查看共享池中缓存的SQL

SELECT SQL_TEXT,HASH_VALUE,PARSE_CALLS FROM V$SQLAREA WHERE SQL_TEXT LIKE 'INSERT INTO PRE_TEST_TABLE VALUES%';

SELECT    
  W_OPTY_DS.PAR_INTEGRATION_ID,
  W_OPTY_DS.ACCNT_ST_ADDRESS,  
  W_OPTY_DS.ACCNT_ZIPCODE,  
  CASE WHEN G11.VAL IS NULL THEN W_OPTY_DS.APPL_OWNER_TYPE ELSE G11.VAL END AS APPL_OWNER_TYPE, 
  CASE WHEN G11.NAME IS NULL THEN W_OPTY_DS.APPL_OWNER_TYPE ELSE G11.NAME END AS APPL_OWNER_TYPE_I,
  W_OPTY_DS.CURR_SSTAGE_ID,  
  CASE WHEN G6.VAL IS NULL THEN W_OPTY_DS.DEAL_HORIZON ELSE G6.VAL END AS DEAL_HORIZON,  
  CASE WHEN G6.NAME IS NULL THEN W_OPTY_DS.DEAL_HORIZON ELSE G6.NAME END AS DEAL_HORIZON_I,  
  CASE WHEN G5.VAL IS NULL THEN W_OPTY_DS.DECISION_LVL ELSE G5.VAL END AS DECISION_LVL,  
  CASE WHEN G5.NAME IS NULL THEN W_OPTY_DS.DECISION_LVL ELSE G5.NAME END AS DECISION_LVL_I,  
  W_OPTY_DS.DESC_TEXT,  
  W_OPTY_DS.EXEC_PRIORITY_FLG,  
  W_OPTY_DS.EXIST_CUST_FLG,  
  W_OPTY_DS.FCST_CLS_DT,  
  CASE WHEN G2.VAL IS NULL THEN W_OPTY_DS.LEAD_QUALITY_CD ELSE G2.VAL END AS LEAD_QUALITY_CD,
  CASE WHEN G2.NAME IS NULL THEN W_OPTY_DS.LEAD_QUALITY_CD ELSE G2.NAME END AS LEAD_QUALITY_CD_I,
  W_OPTY_DS.MAX_DAYS_IN_STG,  
  W_OPTY_DS.METHOD_ID,  
  MD.ROW_WID AS MINI_WID,  
  W_OPTY_DS.REVN_PROB,  
  CASE WHEN G7.VAL IS NULL THEN W_OPTY_DS.RISK ELSE G7.VAL END AS RISK,  
  CASE WHEN G7.NAME IS NULL THEN W_OPTY_DS.RISK ELSE G7.NAME END AS RISK_I,  
  CASE WHEN G13.VAL IS NULL THEN W_OPTY_DS.WIN_PROB_MODE ELSE G13.VAL END AS WIN_PROB_MODE,
  CASE WHEN G13.NAME IS NULL THEN W_OPTY_DS.WIN_PROB_MODE ELSE G13.NAME END AS WIN_PROB_MODE_I,
W_OPTY_DS.X_REL_TIER
FROM    W_OPTY_DS
LEFT OUTER JOIN W_LOV_G G1 ON W_OPTY_DS.STG_STATUS_CD = G1.NAMEVAL AND G1.R_TYPE = 'SALES_STAGE_STATUS' 
LEFT OUTER JOIN W_LOV_G G2 ON W_OPTY_DS.LEAD_QUALITY_CD = G2.NAMEVAL AND G2.R_TYPE = 'LEAD_QUALITY' 
LEFT OUTER JOIN W_LOV_G G3 ON W_OPTY_DS.REASON_WL_CD = G3.NAMEVAL AND G3.R_TYPE = 'REASON_WON_LOST' 
LEFT OUTER JOIN W_LOV_G G4 ON W_OPTY_DS.CHANNEL_TYPE = G4.NAMEVAL AND G4.R_TYPE = 'OPTY_CHANNEL_TYPE' 
LEFT OUTER JOIN W_LOV_G G5 ON W_OPTY_DS.DECISION_LVL  = G5.NAMEVAL AND G5.R_TYPE = 'DECISION_LVL' 
LEFT OUTER JOIN W_LOV_G G6 ON W_OPTY_DS.DEAL_HORIZON = G6.NAMEVAL AND G6.R_TYPE = 'DEAL_HORIZON' 
LEFT OUTER JOIN W_LOV_G G7 ON W_OPTY_DS.RISK = G7.NAMEVAL AND G7.R_TYPE = 'RISK' 
LEFT OUTER JOIN W_LOV_G G8 ON W_OPTY_DS.STRATEGIC = G8.NAMEVAL AND G8.R_TYPE = 'STRATEGIC' 
LEFT OUTER JOIN W_LOV_G G9 ON W_OPTY_DS.REVENUE_CLASS = G9.NAMEVAL AND G9.R_TYPE = 'REVENUE_CLASS' 
LEFT OUTER JOIN W_LOV_G G10 ON W_OPTY_DS.OPTY_STATUS_CD = G10.NAMEVAL AND G10.R_TYPE = 'OPTY_STATUS' 
LEFT OUTER JOIN W_LOV_G G11 ON W_OPTY_DS.APPL_OWNER_TYPE = G11.NAMEVAL AND G11.R_TYPE = 'FINS_APPL_OWNERSHIP_TYPE_MLOV' 
LEFT OUTER JOIN W_LOV_G G12 ON W_OPTY_DS.OPTY_TYPE = G12.NAMEVAL AND G12.R_TYPE = 'REVENUE_TYPE' 
LEFT OUTER JOIN W_LOV_G G13 ON W_OPTY_DS.WIN_PROB_MODE = G13.NAMEVAL AND G13.R_TYPE = 'SALES_METHOD_MODE_TYPE' 

INNER JOIN W_OPTY_MD MD ON 
(CASE WHEN G1.NAME IS NULL   THEN W_OPTY_DS.STG_STATUS_CD ELSE G1.NAME END) = MD.STG_STATUS_I AND 
(CASE WHEN G2.NAME IS NULL   THEN W_OPTY_DS.LEAD_QUALITY_CD ELSE G2.NAME END) = MD.LEAD_QUALITY_I AND 
(CASE WHEN G3.NAME IS NULL   THEN W_OPTY_DS.REASON_WL_CD ELSE G3.NAME END) = MD.REASON_WL_I AND 
(CASE WHEN G4.NAME IS NULL   THEN W_OPTY_DS.CHANNEL_TYPE ELSE G4.NAME END) = MD.CHANNEL_TYPE_I AND 
(CASE WHEN G5.NAME IS NULL   THEN W_OPTY_DS.DECISION_LVL ELSE G5.NAME END) = MD.DECISION_LVL_I AND 
(CASE WHEN G6.NAME IS NULL   THEN W_OPTY_DS.DEAL_HORIZON ELSE G6.NAME END) = MD.DEAL_HORIZON_I AND 
(CASE WHEN G7.NAME IS NULL   THEN W_OPTY_DS.RISK ELSE G7.NAME END) = MD.RISK_I AND 
(CASE WHEN G8.NAME IS NULL   THEN W_OPTY_DS.STRATEGIC ELSE G8.NAME END) = MD.STRATEGIC_I AND 
(CASE WHEN G9.NAME IS NULL   THEN W_OPTY_DS.REVENUE_CLASS ELSE G9.NAME END) = MD.REVENUE_CLASS_I AND 
(CASE WHEN G10.NAME IS NULL THEN W_OPTY_DS.OPTY_STATUS_CD ELSE G10.NAME END) = MD.OPTY_STATUS_CD_I AND 
(W_OPTY_DS.OPTY_REVN_CAT_I) = MD.OPTY_REVN_CAT_I AND 
(W_OPTY_DS.CURR_SSTAGE) = MD.CURR_SSTAGE AND 
(W_OPTY_DS.CHAMPION_FLG) = MD.CHAMPION_FLG AND 
(W_OPTY_DS.BUDGETED_FLG) = MD.BUDGETED_FLG AND
(W_OPTY_DS.EXIST_CUST_FLG) = MD.EXIST_CUST_FLG AND 
W_OPTY_DS.COMMITTED_FLG = MD.COMMITTED_FLG; 

更改用户密码:

ALTER USER username IDENTIFIED BY new_pass replace old_pass;

查看数据库默认TimeZone:

select DBTIMEZONE from dual;

查看当前Session TimeZone:

select SESSIONTIMEZONE from dual;

赋予包的执行权限

grant execute on custprofile.CUST_INTERESTS_WS_PKG to mdm_xml_user;