oracle10g

问题 This question already has answers here : Fetch a record on maximum date of every month (3 answers) Closed last month . I have a table that keeps track of changes in customer profiles. Here's a simplified version: CREATE TABLE HISTORY ( CUSTOMER_ID NUMBER(9,0), DATE_CHANGED DATE, ACCOUNT_TYPE VARCHAR2(20), CONSTRAINT HISTORY_PK PRIMARY KEY (CUSTOMER_ID, DATE_CHANGED) ); INSERT INTO HISTORY (CUSTOMER_ID, DATE_CHANGED, ACCOUNT_TYPE) VALUES (200, TO_DATE('05/01/2013 00:00:00','DD/MM/RRRR HH24:MI

问题 I have designed a C# application to connect to Oracle Database and change schema users passwords. My reference assembly is System.Data.OracleClient from the location: "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework.NETFramework\v4.5\System.Data.OracleClient.dll" The platform that I used to design/test the application looks like this: 1. 64 bit Windows 7 platform. 2. 32 bit .Net Frameworkv4.5 3. 32 bit Oracle 10g Client. I need this application to run for 64 bit Oracle Client

问题 I have designed a C# application to connect to Oracle Database and change schema users passwords. My reference assembly is System.Data.OracleClient from the location: "C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework.NETFramework\v4.5\System.Data.OracleClient.dll" The platform that I used to design/test the application looks like this: 1. 64 bit Windows 7 platform. 2. 32 bit .Net Frameworkv4.5 3. 32 bit Oracle 10g Client. I need this application to run for 64 bit Oracle Client

问题 I want to get milliseconds from date field of oracle for date "01-01-9999". I have created below block to achieve the same. set serveroutput on; declare base_point constant timestamp := to_timestamp_tz('01-JAN-1970 00:00:00.000+00:00', 'DD-Mon-RR HH24:MI:SS.FFTZH:TZM') AT TIME ZONE 'UTC'; now timestamp := to_timestamp_tz('01-01-2099 00:00:00.000+00:00', 'DD-MM-RR HH24:MI:SS.FFTZH:TZM') AT TIME ZONE 'UTC'; -- now constant timestamp := systimestamp AT TIME ZONE 'UTC' ; n number; begin select to

问题 hi I have following function for string aggregation in oracle CREATE OR REPLACE FUNCTION STRING_AGGREGATE(i_query VARCHAR2, i_seperator VARCHAR2 DEFAULT ',') RETURN VARCHAR2 AS l_return CLOB:=''; l_temp VARCHAR(32000); TYPE r_cursor is REF CURSOR; rc r_cursor; BEGIN OPEN rc FOR i_query; LOOP FETCH rc INTO L_TEMP; EXIT WHEN RC%NOTFOUND; l_return:=l_return||L_TEMP||i_seperator; END LOOP; RETURN RTRIM(l_return,i_seperator); END; when i call this function it show like this SELECT STRING_AGGREGATE

问题 I have 2 tables. 1) car table: 2) param table: I need to fetch duplicate cars have owner params match and do NOT differ in insurance (that's it must be either the same or is absent for both ). I'm successfully executing my query with LEFT JOIN in ANSI-syntax: SELECT owner.name, owner.value, COALESCE (insur.name, 'insurance'), insur.value, count(*) FROM car INNER JOIN param owner ON car.id = owner.car_id LEFT JOIN param insur ON car.id = insur.car_id AND insur.name = 'insur' WHERE owner.name =

问题 I am having problem regarding to scan a value in a pl/sql procedure. When I have execute the procedure, it ignores the a:='&a'; . Procedure Body create or replace PROCEDURE Testing IS a VARCHAR2(3); BEGIN DBMS_OUTPUT.PUT_LINE('Enter a : '); a:='&a'; END Testing; Procedure Calling SET SERVEROUTPUT ON; cl scr; Execute Testing; Output PL/SQL procedure successfully completed. Enter a : Can anybody help me, please!? 回答1: In SQL*Plus we have the prompt and accept syntax, but there is no direct way

问题 I have over 1000 views and I want to run a search which will display the names of the views containing the string abc in its SQL. How do I search all stored procedures/SQL including that of my views? When I run the command: SELECT * FROM all_source WHERE text LIKE '%abc%' it returns me source code in which the string abc is present. But this does not include views. 回答1: This gets easier in 12c, where you can use select * from all_views v where lower(v.text_vc) like '%abc%'; This assumes the

问题 I need a lot of partition table from one of my col table and dataType is long so I don't think can do it with hardcode in Sql syntax , now my question is what can i do for partition tables with range of long and automatic keyword in oracle database 19c? Edit : I have Timestamp formated in long and I don't want to change it date type timestamp so I need every month split to separate partition I will convert all timestamp to long and store in database (because i need to reformat my timestamp to

问题 I am struggling with a query that tried few days back with a suggestion of one of SO user and got it work with the following: WITH your_table(ID,STOREDATE,VALUE,INFO) AS ( SELECT 1122,'1/1/2020',2,'DONE' UNION ALL SELECT 1122,'1/2/2020',1,'DONE' UNION ALL SELECT 1122,'1/3/2020',7,'DONE' UNION ALL SELECT 1122,'1/4/2020',8,'DONE' ), CTE AS ( SELECT ID, STOREDATE, VALUE, CASE WHEN VALUE = 8 THEN 0 WHEN VALUE + LAG(VALUE) OVER(ORDER BY STOREDATE) = 8 THEN 0 WHEN VALUE + LEAD(VALUE) OVER(ORDER BY