oracle-xe

问题 Aside from licensing issues and all the fancy add-on packages, what is the real difference between Oracle XE and SE from an API point of view? My application uses a large number of PL/SQL features/packages, and I am unable to get a definitive list of what works and what doesn't. I already know that, for example, the server-side Java VM is not included, and you have to add some grants to get UTL_FILE. But what about UTL_TCP, UTL_SMTP or UTL_RAW? How about things such as database triggers

问题 Does Oracle have a builtin function to create a date from its individual components (year, month and day) that just returns false on missing data? I'm aware of TO_DATE() but I need to compose a string first and neither the || operator nor the CONCAT() function make it easy to handle missing data: -- my_year NUMBER(4,0) NULL SELECT TO_DATE(my_year || '-01-01', 'YYYY-MM-DD') AS my_date FROM my_table; Whenever my_year is NULL we end up with TO_DATE('-01-01', 'YYYY-MM-DD') and: ORA-01841: (full)

问题 I'm attempting to call a procedure that takes a custom data type of table of numbers as one of the parameters. Here is the definition of the type: create type num_list as table of number; And the definition of the procedure: create or replace procedure my_procedure (listofnumbers num_list, v_value char) is begin update my_table set my_column = v_value where my_row_id in (select column_value from table(listofnumbers)); end; Using ODP.NET and C#, I'm declaring it as follows: var row_ids = new

问题 I am attempting to pick apart a DBF file using the code in THIS AskTom post however I have no clue where I would even go to figure out how the files I'm wanting to pick apart are formatted? How was the original AskTom answer even produced? How do I figure out the dbf Header. How do I know where within the dbf file the data is stored or even how to pull out that data? My goal is to work with the code provided and come up with a solution as others have done but I'm stuck at the very first part.

问题 I am attempting to pick apart a DBF file using the code in THIS AskTom post however I have no clue where I would even go to figure out how the files I'm wanting to pick apart are formatted? How was the original AskTom answer even produced? How do I figure out the dbf Header. How do I know where within the dbf file the data is stored or even how to pull out that data? My goal is to work with the code provided and come up with a solution as others have done but I'm stuck at the very first part.

问题 I have .sql script file with DDL for more than 60 tables. I am trying to copy-paste the script into SQL Developer, connected to a database which is "Oracle Database 11g Express Edition Release 11.2.0.2.0 - 64bit Production". Sample DDL Script: CREATE TABLE UserName."Table_Name" ( "Col1" NUMBER(*,0), "Col2" VARCHAR2(50 BYTE), "Col3" VARCHAR2(50 BYTE) ) SEGMENT CREATION DEFERRED PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING TABLESPACE "USERS" ; Error report - SQL Error: ORA

问题 I registered on http://Oracle.com in order to download 11g R2 Express edition database. But http://Oracle.com offered me download links only for Windows 32bit and for Linux 64bit. Is there somewhere 64bit Windows version of Oracle 11g XE database? Are 64bit versions available only for paid Oracle db? 回答1: There is no Windows 64-bit version of Oracle Express Edition. You'll have to go for Standard/Enterprise editions. 回答2: There is I used this blog post to install it in my machine: http:/

问题 I installed Oracle 10g express. Installation went well, But the home page is not coming up. I can connect using sqlplus but not with Sql Developer. I checked tnsnames.ora and listener.ora everything looks fine. Listener is also started. I can always reinstall and see. But I thought better inquire the cause. Regarding the home page. This is the address that comes up in browser. Localhost:8080 http://127.0.0.1:8080/apex I did a netstat to see whether there is any port conflict for 8080, but

问题 Windows 7 32 bit laptop Local instance of Oracle 11g XE Firstly I have been researching this myself before asking and while there are many references/suggestions around I've not been able to fix the issue for myself. All of a sudden when i try to login into my local hobbyist instance of Oracle 11g XE i am getting the following: SQL> connect Enter user-name: system Enter password: ERROR: ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist Process ID: 0 Session ID: 0

问题 Scope of Platforms Tested: Oracle 11g XE, Oracle APEX Versions 4.0.2 and 4.2.5 I don't like the column headers assigned to my APEX report after I assign my source query or table/view association. How do I change them? Can I add special formatting and embedded codes (e.g. HTML hex, decimal or short codes)? Additional Question: How do I keep these formatting codes out of the text values that are exported when I run a "download" or "save to csv" operation? 回答1: Conditional and Special Formatting