DDA/DDE. Database. Direct Database Export (DDE) 7/30/10

Transcription

1 DDA/DDE PowerSchool Database PowerSchool data is stored in a relational database of tables. Each table contains an unlimited number of fields. When you use DDA or DDE, you directly access a table in the relational database. Direct Database Export (DDE) Create an export file or report from information in the tables. Can export all records from a table or filter the information to export specific records. Can export all fields or specific fields. Can change information through Student Field Value. 1

2 Direct Database Access (DDA) Same as DDE with differences. Modify/delete records. Select all fields to export. Tables and Fields Download Document #57629 from PowerSource ps6x_data_dictionary_tbl. LOTS of good information. This url doesn t work in (PowerSource says it is being researched): ac=structure gives a complete list of PowerSchool tables and fields. Table Example 2

3 Data Types String 20 text with maximum of 20 characters Text up to 256 characters Integer number before the decimal point Real number including after decimal point BLOB binary large object (photo) Boolean check marks Date DDE System > Direct Direct Database Export May need to filter several times to get the information you need. DDA If you don t put the slash after usm, it takes you to a different page when you click on Select or Search. 3

4 DDE/DDA Search Use the pop-up menu to select a field. Choose a field from the first pop-up menu. Choose an operator from the second pop-up menu. Equals (=) Greater than or equal to (>=) Less than (<) Does not equal (#) Greater than (>) Contains (contains) Less than or equal to (<=) Does not contain (!Contain) Enter the value for the field in the last field. Click Export Records. Select fields from pop-up menu. Can only do one at a time. DDE Export Click Export Records. Can click Use All Fields. Delete fields you don t want to export. DDA Export 4

5 Exporting with a Template Setting up templates to export data on searches you do on a regular basis is a time saver. You can export information from the following tables: Students Courses Student Schedules Staff Historical Grades Create an Export Template Start Page > Special Functions > Importing and Exporting > Templates for Exporting. Click New and enter template name. Choose a table, check Put column titles on first row, and click Submit. Click on the 0 under #Columns for your template. Click New to add fields to be exported. If the data is from a different table, you must specify the table name with []. Ex: [Courses]course_name DDA Modify Be VERY sure you know what you are doing!!! Use pop-up menu to select field to modify. Enter the value in the field. Click Modify Selected Records. 5

6 DDA Delete Be VERY, VERY sure you know what you are doing!!! Check box Check here to verify a delete command Click Delete Selected Records. Student Field Value Another way to modify records. In DDE or search, select students. Go to Start Page > Current Selection In functions, select student field value. Student Field Value Enter the field name you want to modify. Enter the field value. Click submit. Check the information before you click submit. Click Back then Resend. 6

7 Layered Search In DDE, select a table (ex: Teachers) Choose Status = 1 (current) Choose GradebookType = 1 Click Search all records [x] in this table Choose TeacherLoginPW = test Click Search within the current [x] records only Click Export Records Select fields to export and click submit Match Selection Using two different tables In DDE, select the Students table Choose Enroll_Status = 0 Choose Genter = M Click Search all [x] records in this table Select the Log table Click Select All [x] records in this table Click Match Selection Choose Students from the menu Click Proceed to match selection Click Export Records Select fields to export Check Surround fields in case a field may have paragraphs, and click submit Warning! You must be EXTRA careful when using DDE/DDA and Student Field Value. 7

8 Questions? Sharon Van Cleave PowerSchool Consultant Contact Information Home: Cell: Skype Account: scleave AIM Account: vancleaves