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Creating Dynamic Reports

Creating Dynamic Reports

You can create dynamic reports, and pass variables to scripts by sending iSQL*Plus a request to run a script from a Uniform Resource Identifier (URI). The script must be available through HTTP. iSQL*Plus executes the script, using any HTML form field values as parameters, and returns the results in a new browser window.

You will not be prompted for undefined variables. You should take care that there are no variables that have not been DEFINEd in your script, or explicitly passed as parameters.

You can also include username and password information in the request. You should carefully consider the security implications of including usernames and passwords in HTML files. If you do not include a username or password, iSQL*Plus prompts you to enter login information when you run the script.

Example 4–1 Creating a Dynamic Report

Create and save the following script to a file called script.sql on your Oracle HTTP Server.

SET PAGESIZE 200 SELECT *

FROM EMP_DETAILS_VIEW

ORDER BY LAST_NAME, EMPLOYEE_ID

/

Create an HTML file which contains:

<HTML>

<HEAD>

<TITLE>iSQL*Plus Dynamic Report</TITLE> </HEAD>

<BODY>

<H1>iSQL*Plus Report</H1>

<A HREF="http://host.domain/isqlplus?script=http://host.domain/script.sql"> Run Employee Report</A>

</BODY>

</HTML>

Replace host.domain with the host and domain names of your Oracle HTTP Server. Save the HTML file on your Oracle HTTP Server.

Load the HTML file in your web browser and click on "Run Employee Report". iSQL*Plus requests your username and password. Log in to iSQL*Plus. iSQL*Plus executes the script and displays the results in your web browser.

4-6 iSQL*Plus User’s Guide and Reference

Creating Dynamic Reports

Example 4–2 Creating a Dynamic Report with Parameters

Create and save the following script to a file called employee_name.sql on your Oracle HTTP Server.

SET VERIFY OFF

SET PAGESIZE 200

SET FEEDBACK OFF

SET MARKUP HTML ENTMAP OFF

PROMPT <H1>Employee Details for Employee(s) with Last Name like &last_name%</H1> SET MARKUP HTML ENTMAP ON

SELECT *

FROM EMPLOYEES

WHERE UPPER(last_name) LIKE UPPER(’&last_name%’)

/

Create an HTML file which contains:

<HTML>

<HEAD>

<TITLE>iSQL*Plus Dynamic Report</TITLE> </HEAD>

<BODY>

<H1>iSQL*Plus Report</H1> <H2>Query by Last Name</H2>

<FORM METHOD=get ACTION="http://host.domain/isqlplus">

<INPUT TYPE="hidden" NAME="script" VALUE="http://host.domain/employee_name.sql"> Enter last name of employee: <INPUT TYPE="text" NAME="last_name" SIZE="20"> <INPUT TYPE="submit" VALUE="Run Report">

</FORM>

</BODY>

</HTML>

The name of the INPUT TYPE should be the same as either a column or substitution variable in your script, for example

<INPUT TYPE="text" NAME="last_name" SIZE="20">

maps to the substitution variable &last_name in the employee_name.sql script.

Replace host.domain with the host and domain names of your Oracle HTTP Server. Save the HTML file on your Oracle HTTP Server.

Load the HTML file in your web browser. Enter a name or partial name in the text field, for example, "Fay". Click the Run Report button. iSQL*Plus executes the script and displays the results in your web browser.

Using iSQL*Plus 4-7

Creating Dynamic Reports

Example 4–3 Creating a Dynamic Script with Parameters and Login Details

Create and save the following script to a file called employee_id.sql on your Oracle HTTP Server.

SET VERIFY OFF

SET PAGESIZE 200

SET MARKUP HTML ENTMAP OFF

PROMPT <H1>Employee Details for Employee Number &eid</H1> SET MARKUP HTML ENTMAP ON

SELECT *

FROM EMPLOYEES

WHERE EMPLOYEE_ID = &eid

/

Create an HTML file which contains:

<HTML>

<HEAD>

<TITLE>iSQL*Plus Dynamic Report</TITLE> </HEAD>

<BODY>

<H1>iSQL*Plus Report</H1> <H2>Query by Employee ID</H2>

<FORM METHOD=get ACTION="http://host.domain/isqlplus">

<INPUT TYPE="hidden" NAME="userid" VALUE="hr/your_secret_password">

<INPUT TYPE="hidden" NAME="script" VALUE="http://host.domain/employee_id.sql"> Enter employee identification number: <INPUT TYPE="text" NAME="eid" SIZE="10"> <INPUT TYPE="submit" VALUE="Run Report">

</FORM>

</BODY>

</HTML>

Replace host.domain with the host and domain names of your Oracle HTTP Server, and hr/your_secret_password with a valid userid and password. Save the HTML file on your Oracle HTTP Server.

Load the HTML file in your web browser. Enter an employee identification number in the text field, for example, "105". Click the Run Report button. iSQL*Plus executes the script and displays the results in your web browser.

4-8 iSQL*Plus User’s Guide and Reference

Exiting iSQL*Plus

Using SET and COLUMN Commands

iSQL*Plus remembers the state of your current SET command variables from one execution to the next. If you use the Back button on your web browser and then re-execute scripts, iSQL*Plus may display the results differently, according to any commands executed since the original script was executed. For example, a new SET PAGESIZE command may set column headings to appear in different positions.

The COLUMN command, and the SET LINESIZE and SET WRAP commands have an effect on the buffer sizes used by iSQL*Plus. If words in your query output include unexpected white spaces or are truncated, make sure the column size is large enough to accommodate the word, and that word wrapping is set to ON.

Getting Help

The online iSQL*Plus User’s Guide and Reference provides help and syntax specific to iSQL*Plus. Click the Help button to access the iSQL*Plus User’s Guide and Reference. The iSQL*Plus User’s Guide and Reference is displayed in a new browser window.

Exiting iSQL*Plus

To exit iSQL*Plus, click the Log Out button. It is recommended that you always use the Log Out button to exit iSQL*Plus to free up system and server resources.

Using iSQL*Plus 4-9

Exiting iSQL*Plus

4-10 iSQL*Plus User’s Guide and Reference

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