oracle11g

问题 I have a table with the following columns OrderID Number ProductID Number Order_date Datetime Qty number How can I get average number of orders placed per day for a range of dates. I want to know the average orders placed per day between October 31st to November 4th both days included. Thanks in advance. 回答1: Your question is a little contradictory, it fisrt asks for the average number of orders per day and then asks for the average orders (wich suggests you want the average quantity, not the

问题 I have the following Oracle 11g R2 hierarchical table definition: Table Name: TECH_VALUES: ID, GROUP_ID, LINK_ID PARENT_GROUP_ID, TECH_TYPE Based on the above hierarchical table definition, some sample data might look like this: ID GROUP_ID LINK_ID PARENT_GROUP_ID TECH_TYPE ------- ------------- ------------ -------------------- -------------- 1 100 LETTER_A 0 2 200 LETTER_B 0 3 300 LETTER_C 0 4 400 LETTER_A1 100 A 5 500 LETTER_A2 100 A 6 600 LETTER_A3 100 A 7 700 LETTER_AA1 400 B 8 800

问题 I have the following java code for inserting values to the database When i try the code below it works st.executeUpdate("INSERT INTO USERT " + "VALUES ('1', 'Simpson', 'Mr', 'Springfield', '2001')"); But when i try the code below i get an error java.sql.SQLSyntaxErrorException: ORA-00911: invalid character st.executeUpdate("INSERT INTO USERT (`USERID`, `FIRSTNAME`,`LASTNAME`,`EMAIL`,`PHONE`) VALUES ('2', 'james', 'john', 'myemail', 'myphone')"); Most of the answers provided here at stack

问题 In a Tomcat 8.5.15 environment using an Oracle 11 database, I want to implement a data source that handles encrypted passwords in the context.xml. I'm having troubles with that, as described in this StackOverflow question. In hopes of determining the underlying problem, I simplified the scenario. First, I verified that the C3p0 resource specification worked fine. <Resource auth="Container" description="MyDataSource" driverClass="oracle.jdbc.OracleDriver" maxPoolSize="100" minPoolSize="10"

问题 I have got a requirement to split the data based on the level into 3 different columns. In the below table SU_DC_1 is the top level based on SETTLEUNIT column I need to add the level. Parent : TOPSETTLUNIT Child : SETTLEUNIT Based on Child I need to create 3 additional columns In the above hierarchy is mentioned as Output: I am finding it difficult to write the query for it. Could you please help . 回答1: Something like: SELECT topsettlunit, settleunit, CONNECT_BY_ROOT( topsettlunit ) AS level1

问题 I have a trigger like this: (Basically on update of a column in table1, I update a column in table 2) CREATE OR REPLACE TRIGGER AAA AFTER UPDATE ON TABLE_1 REFERENCING NEW AS NEWROW OLD AS OLDROW FOR EACH ROW WHEN ( NEWROW.DELETED ='Y' AND NEWROW.ID IN (41,43) AND OLDROW.DELETED = 'N' ) DECLARE id_1 number; id_2 number; id_3 number; BEGIN select id_1, id_2,id_3 into id_1,id_2,id_3 from table_1 where id_1 = :NEWROW.id1 and id2 = some_other_row.id2; if id_1 is null then update table2 set

问题 How can I subtract a number of months from a date, to produce a different date? var date_A = 24-06-2016 var date_B = 24-01-2016 var x = 5 Please how can I use the value in x (number of months) to calculate the value for date_B, from the value date_A? 回答1: You can use the add_months() function: select add_months(to_date('24-06-2016', 'DD-MM-YYYY'), -5) from dual; ADD_MONTHS(TO_DATE('24-06-2016','DD-MM-YYYY'),-6) ------------------------------------------------- 2015-12-24 With SQL*Plus or SQL

问题 Object deserialization is failing for BLOB datatype in our application, after upgrading jdbc driver for Oracle database. In our application, we have been using the ojdbc14 for the last couple of years without any issues. However recently we have decided to upgrde it to the ojdbc6. After upgrading to this new version, we are getting the below mentioned error, when ever we try to read(deserialize) BLOB objects from the database. These objects were serialized and saved in the databse with the

问题 I'm developing Oracle custom authentication plugin(OAM 11g) using maven dependencies.I've followed all the steps listed in Oracle documentation to add maven dependencies: 1)Created account with OTN and accepted the licence 2)Created my setting file and POM file and added the following: <server> <id>maven.oracle.com</id> <username>myemail@gmail.com</username> <password>*******</password> <configuration> <basicAuthScope> <host>ANY</host> <port>ANY</port> <realm>OAM 11g</realm> </basicAuthScope>

问题 In Oracle, I want to get specific intervals. Consider, sysdate is 10-dec-2016 10:15:23 (dd-mon-yyyy hh24:mi:ss). I want to get a date period like 10-dec-2016 09:00:00 to 10-dec-2016 10:00:00 How to get this date period through query. If you have observed this date period is 1hr back from current HH24 format and rounded to 00:00. The query should work for whatever I set. Above date period is for 1hr. I should be able to set for any number of hours like 2hrs,3hrs etc. 回答1: Something like: