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Oracle Apex Practical Note Series 1-oracle Apex Debugging Tips

1. Understanding Oracle Apex URL SyntaxAn Oracle Apex URL example looks like this:http://myhost.mycompany.com/myservice/f?p=1023:1:220883404335693447Divided into several parts Myhost.mycompany.com is the server URL MyService is a database service f?p= is the Apex URL prefix section 1023 is Application ID 1 is the page ID 2208834043356

Apex OS toward Open source _os

Apex OS toward Open source I am the designer and developer of Apex, apex in the initial operation of the start-up, I plan to open the Apex OS, and long engaged in the development of Apex OS, hope that through my efforts and the help of all sectors of society, in China, this

Install oracle11g and open Apex installation

Knowledge Point review: 1 entering Oracle requires a user name and password2 Oracle Default has 2 user sys and system3 SYS and system have very high administrative privileges, but SYS is 4 larger than system permissions. You can use the Create USER statement to create users 5 you must give the Create session permission before you can log in Oracle6 Under the SYS user, you can assign the user you created (such as BI) the Create session3. Enable apex-o

Oracle Apex Utility Note Series 0

As I understand it, Oracle Application Express (APEX) is a set of web rapid development frameworks that are produced by Oracle and rely on Oracle databases. Oracle Apex is a tool used by the author in the actual development work. The author found that although its English resources and many, but probably because the domestic is not very common, Chinese resources are not many. In the actual work, there are s

Oracle Apex practical notes Series 2, oracleapex

Oracle Apex practical notes Series 2, oracleapex1. Page Design Page A has several region, one of which is used for file list management (including display, download, and delete) and. There is A button on page A. Clicking it will call page B. Page B is responsible for file upload, and page B is responsible for file upload. Figure Figure B 2. Database Table Design File FILE_ID Number,FILE_DESC Varchar2 (256 ),CONTENT Blob,Mime_type va

Oracle Apex Utility Note Series 2-File Upload management

Tags: des io ar using java SP for file data1. Page DesignPage A has several region, one region for file list management (including display, download, delete), A. In page A There is a button, click it will invoke page B, page B is responsible for file upload, B.Figure AFigure B2. database table Design File FILE_ID number,File_desc VARCHAR2 (256),CONTENT Blob,Mime_type VARCHAR2 (256),Char_set VARCHAR2 (256),Last_update date,file_name VARCHAR2 (256) 3.

Oracle Apex Useful Note Series 2-File Upload management

1. Page DesignPage A has several region, one region for file list management (contains display, download. Delete). A.In page A There is a button, click it will invoke page B, page B is responsible for file upload. B.Figure AFigure B2. database table Design File FILE_ID number,File_desc VARCHAR2 (256),CONTENT Blob,Mime_type VARCHAR2 (256),Char_set VARCHAR2 (256),Last_update date,file_name VARCHAR2 (256) 3. Apex

Enable apex in Oracle 11g

The prerequisite for Oracle's information lifecycle management tool Ilma is Apex.Apex is installed by default in Oracle 11g Release 2. It is not enabled after installation. You can use the following method to enable it.SQL> show userUser is "sys"SQL> spool apexView the details of the installed apex.SQL> select * From dba_registry where comp_id = 'apex '; ApexOracle Application Express3.2.1.00.10 valid 02-apr-2010 14:20:27Server sysApex_030200Validate_

Enable Apex in Oracle 11g

The prerequisite for ORACLE's information lifecycle management tool ILMA is Apex.Apex is installed by default in oracle 11g Release 2. It is not enabled after installation. You can use the following method to enable it.SQL> show userUSER is "SYS"SQL> spool apexView the details of the installed Apex.SQL> select * from dba_registry where comp_id = 'apex ';APEXOracle Application Express3.2.1.00.10 VALID 02-APR-2010 14:20:27SERVER SYSAPEX_030200VALIDATE_A

Oracle Application Express (APEX 4.2) for ajax calls, apexajax

Oracle Application Express (APEX 4.2) for ajax calls, apexajax Oracle Application Express 4.2 (APEX 4.2) is a quick web Application development tool. Ajax requests are sometimes used during web page development. How to create an ajax request: 1. Create background processing: Step 1 Step 2 Step 3 In this way, the background processing is completed. 2. Compile js on the frontend: Function ajaxTest () {

Ajax calling in Oracle Application Express (APEX 4.2)

Ajax calling in Oracle Application Express (APEX 4.2) Oracle Application Express 4.2 (APEX 4.2) is a quick Web Application development tool. Ajax requests are sometimes used during web page development. How to create an ajax request: 1. Create background processing: Step 1 Step 2 Step 3 In this way, the background processing is completed. 2. Compile js on the frontend: Function ajaxTest (){

Oracle Apex Utility Note Series 3-component read-only

1. Common componentsFor Apex various components (page, Region, item, button, etc.) can be set to read-only under certain conditions. Their settings are similar, and the following are also read as examples.In the component view (Component view)1. Click a region2. Click the Read Only tab3. Select a condition type, there are many options. Simple can be an expression that is not null or two expressions (not) equal. The author often uses PL/SQL Expression

Ajax calls in Oracle application Express (APEX 4.2)

The Oracle Application Express 4.2 (APEX 4.2) is a fast Web application development tool. Ajax requests are sometimes used in the process of developing Web pages.How to create an AJAX request:1. Set up the background processing:Step 1Step 2Step 3This completes the creation of the background processing.2. Compile JS at the front desk:function ajaxtest () { apex.server.process (' TEST ',/// Background processing name, case sensitive {},// The

How to import the csv file to the Clob field of the database in Apex and then to the corresponding column

1. the user data needs to exist in the csv file. Because Apex does not allow uploading of more than 44 columns of data (more than 90 columns in this case), you must first import all columns to a clob field, then, use the stored procedure to export the data to the corresponding column. 2. solution 1) create a table with the clob field CREATETABLETABLE3 (CONTENTCLOB); 2 1. the user data needs to exist in the csv file. Because

2015 in the run: Chapter One: the apex of IT technology

When I think of this topic, my mood is rather depressed, because I met a more embarrassing problem. A man who was over 30 years old, in a high-toed, C*o-headed leader, defied the way: "Why are you an engineer at this age?" "I almost want to jumping, or drag his collar, or point to his nose scold:" Do you know technology? Does it technology have the apex? ”I remember a couple of years ago I read a Japanese comic book, "Hot-blooded college," although th

Apex latest progress report

Since January 20 home, the progress of these days is not satisfactory, read more than 100 pages of ATA-2 English documents, also began to write more complex hard drive, but every day is a person at home, I am bored and bored. No one can talk and chat all day. It's almost the same as getting in jail. When I go out, I find myself dizzy and have no spirit. in addition, the data cable of the USB flash disk is lost, and it is difficult to paste the Code and articles of the hard disk recently written

Oracle Apex Useful Note Series 6-Editable interactive reports Editable Interactive report

As far as I know. Apex 4.x is not provided with an editable interactive reporting component. This needs to be implemented manually.In fact, this is not very complicated, just a few simple steps.1. Create a interactive report based on the wizard. Query statements can be as follows. Select Apex_item.hidden (1,e.id) | | E.name as Staff, Apex_item.select_list_from_lov (p_idx=>2,p_value=>e.department_id,p_lov=> ' lov_department ') as depart

Oracle Http://127.0.0.1:8080/apex cannot access solution __oracle

Most of the reasons for the lack of access are due to changes in the configuration of TNS in Oracle. The cause of TNS configuration problems may be: 1. Computer Name 2 was modified. Modified the IP The default Oraclexe launches Oraclexetnslistener and oracleservicexe two services. Oraclexetnslistener is Oracle's listening service, without which it will not be able to access the database, can not access the Http://127.0.0.1:8080/apex Once

Oracle APEX 5.1 with ords-in Tomcat 9–error tips: Requests cannot be mapped to any database. Make sure the request URL is correct and that the URL-to-database mapping is correctly configured

A murder caused by an accidental shutdown1. Reboot to open Tomcat 9, everything is OK2, Open ords, abnormal error:404 Not Found The request could not be mapped to any database. Make sure the request URL is correct and that the URL-to-database mapping is correctly configured Oracle APEX 5.1 with ords-in Tomcat 9–error tips: Requests cannot be mapped to any database. Make sure the request URL is correct and that the URL-to-database mapping is cor

Oracle Apex Utility Note Series 6-Editable interactive reports Editable Interactive report

Label:As far as I know, Apex 4.x does not provide an editable interactive reporting component. This requires our manual implementation. In fact, this is not very complicated, just a few simple steps.1. Create a interactive report according to the wizard. The query statement can be as follows. Select Apex_item.hidden (1,e.id) | | E.name as Staff, Apex_item.select_list_from_lov (p_idx=>2,p_value=>e.department_id,p_lov=> ' lov_department

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