Design a script and integrate procedures, PL-SQL Programming

Initial thought process: Design a script which was simple and user friendly. Integrate procedures/functions to extract data under the hood. I focused on giving the user the option to retrieve information based on a time period, meaning using start date and end date to define a search constraint. For example, if a user wants information from 1-MAR-12 to 8-MAR-12, he or she can plug those dates in as search parameters.

Queries: I designed the queries to answer the project questions.

Scripts: pop_fact_table.sql, which means populate fact table, receives 2 parameters type, DATE, uses the dateas conditions within a select statement to create a cursor.These parameters are used to set a time period boundary. Also the order_items idsare extracted because they are unique and I used them as a condition to get theoi.movie_id, dml.distributor_id, store_id, o.total_payment, o.tax, number_of_itemsdata from multiple tables. I used order_completed_date because I felt it was importantto extract information for orders completed instead of just using the ordering date.Ordering date does not mean the order was completed. Also I fed this date intoa function which could build my time dimension table and return the time_id to insert into the facts table. Finally, the information gathered from order_items were inserted in the facts table.

• Fill_time_dim.sql receives a parameter type, DATE, from pop_fact_table.sql, analyzes the date, then determines the month, quarter and year in which it belongs. Finally it uses this data and a generated time_id from sequence to populate the time dimension table.

• Star_schema_table.sl drops and creates the shell for the 4 dimensions tables and the fact table.

• Add_constraints.sql sets the 4 dimension primary keys as primary and foreign keys on the facts table.

• User_interface.sql is used to simulate a user's terminal requesting information. Initially, it builds the table shells and adds constraints. Once the user determines his/her search time period, data is etracted from the operational database and is placed in the facts table.

Posted Date: 3/12/2013 2:11:20 AM | Location : United States







Related Discussions:- Design a script and integrate procedures, Assignment Help, Ask Question on Design a script and integrate procedures, Get Answer, Expert's Help, Design a script and integrate procedures Discussions

Write discussion on Design a script and integrate procedures
Your posts are moderated
Related Questions
heap sort program in pl/sql

Identifiers You use identifiers to name the PL/SQL program items and units that include constants, variables, cursors, exceptions, cursor variables, subprograms, and packages.

JOIN and AND in SQL In this Section is all about one operator, JOIN. SQL's closest counterpart, NATURAL JOIN, has already been covered. Here we look at several other "join" op

Project Description: I want to rebuild it and add better content to it It will include up to 5 forms The data will be saved on SQL server and the data access layer could b

Use Object Types and Collections The Collection types and object types increase your efficiency by allowing for the realistic data modeling. The Complex real-world entities an

Use the PLS_INTEGER Datatype When you require to declare an integer variable, use the datatype PLS_INTEGER that is the most efficient numeric type. That is as the PLS_INTEGER

Disjunction (OR, ∨) Again we have nine rows instead of just four and again, when unknown is not involved, the rows are as for 2VL. Also, when anything is paired with true, t

Parameter and Keyword Description: package_name: This construct identifies the package. AUTHID Clause: This determine whether all the packaged subprograms impleme

Effects of NULL for UNIQUE Specification When a UNIQUE specification u for base table t includes a column c that is not subject to a NOT NULL constraint, the appearance of sev

Keyword and Parameter Description: table_reference: This specifies a table or view that should be accessible when you execute the DELETE statement, and for that you must