oracle11g

问题 I have a database table that looks like this: | ID | TITLE | VERSION | | 1 | file1 | 1 | | 2 | file2 | 1 | | 3 | file1 | 2 | | 4 | file2 | 2 | I need an SQL query that will return rows 3 and 4 because they are the latest versions of file1 and file 2. If I run the query on a table that looks like this: | ID | TITLE | VERSION | | 1 | file1 | 1 | | 2 | file2 | 1 | | 3 | file1 | 2 | | 4 | file2 | 2 | | 5 | file3 | 1 | It should return rows 3,4 and 5 because "file3" version1 is the latest version

问题 I am running this query in Oracle 11g with no problem: select (case when seqnum = 1 then '1' when seqnum = cnt then '0' end) as value1, (case when seqnum = 1 then t.BEGIN_DT when seqnum = cnt then t.END_DT end) as TIME1, t4.UNIT1 || '.SUBBATCH_TRIGGER' TAG from (select t.*, row_number() over(partition by t.BATCH_ID, t.plant_unit, t3.ID2 order by t.BEGIN_DT) as seqnum, count(*) over(partition by t.BATCH_ID, t.plant_unit, t3.ID2) as cnt from SCH2.tb_pg_unit_stap t join (select ID1,batch_id from

问题 Unable to trim blank space in below data in my table. column data type is VARCHAR2(650 CHAR). I tried trim function to eliminate blank space. but that is not working for me. DATA in my table: 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ' 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ' 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14 ' I want trim the data like below 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14' 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14' 'xxxxxxxxxx yyyyyyyyy - 12/7/14 - 12/13/14' Could

问题 This is my attempt in creating a cursor in a stored procedure --Second Stored Procedure-- CREATE OR REPLACE PROCEDURE sp_GetDiscountedRate (DiscountCode IN VARCHAR2,Percentage IN NUMBER, ReserveDate IN DATE) IS --Code declaration section-- --variables to store column values returned from select into pPassengerID VARCHAR2(10); pFirst VARCHAR2(20); pMiddle VARCHAR2(20); pLast VARCHAR2(20); pPassengerType CHAR (1); uUSMilitaryID VARCHAR (8); uMilitaryBranch VARCHAR2 (20); uMilitaryDiscountCode

问题 I have a table Orders(id_trip, id_order), table Trip(id_hotel, id_bus, id_type_of_trip) and table Hotel(id_hotel, name). I would like to get name of the most frequent hotel in table Orders. SELECT hotel.name from Orders JOIN Trip on Orders.id_trip = Trip.id_hotel JOIN hotel on trip.id_hotel = hotel.id_hotel FROM (SELECT hotel.name, rank() over (order by cnt desc) rnk FROM (SELECT hotel.name, count(*) cnt FROM Orders GROUP BY hotel.name)) WHERE rnk = 1; 回答1: The "most frequently occurring

问题 Is there any utility that returns java.text.SimpleDateFormat pattern from Oracle to_char format pattern? create or replace type type_sample as object ( f_id number, f_name varchar2(100), f_start_date date, f_end_date date ) / SET SERVEROUTPUT ON DECLARE xmltype1 SYS.XMLType; message type_sample; BEGIN message := new type_sample(1, 'Manohar', current_date, sysdate); xmltype1 := XMLtype.createXML(message); DBMS_OUTPUT.PUT_LINE('out_errm : '|| xmltype1.getStringVal()); END; / <TYPE_SAMPLE><F_ID

问题 I want to make a new table in my database (Oracle 11g but the Express Edition for Ubuntu 16.04) using Python and Flask framework with the SQLAlchemy module. The first field of the table it's and ID, is an Integer field and I want it to autoincrement, but Oracle database don't support the autoincrement. I have a form to add a new comment, but when I try to add a new record it reports a error: sqlalchemy.exc.IntegrityError: (cx_Oracle.IntegrityError) ORA-01400: cannot insert NULL into ("WIKTOR"

问题 I have parameter :prmtr and what I wanted is to use a select statement based on the parameter input. I tried this: if :prmtr= 'A' then select * from tblA; else select * from tblB; end if; But it wont work. Is there some other way to do this? 回答1: You may try something like this with a CURSOR variable and PRINT command. This works in SQL* plus and in SQL developer or TOAD when run as script. VARIABLE prmtr VARCHAR2 EXEC :PRMTR := 'A' -- SET values of parameter VARIABLE x refcursor -- a cursor

问题 I am running a file via batch file Batch File: sqlplus admin/admin@SERVER @abc.sql > output.txt SQL File abc.sql: set PAGESIZE 1000 set LINESIZE 550 set echo off set head off set FEEDBACK OFF select * from S_ABC exit; Output.txt: Connected To: Oracle Database 11g................................ . . . DATA . . Disconnected from Oracle Database 11g ....... . . Please help me remove the extra data, in the starting and end of output.txt file. 回答1: -S seems to be what you're looking for; sqlplus

问题 I'm trying to build a quartz scheduler ejb app and have it deployed on JBOSS EAP 6.4. Additionally, I'm trying to do so using quartz JDBC jobstore using an Oracle 11g database. Now, the problem is that whenever I try to schedule a job, I get this exception : 18:45:01,024 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 50) MSC000001: Failed to start service jboss.deployment.unit."com.hp.heimdall.jar".component.QuartzBootstraper.START: org.jboss.msc.service.StartException in