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Top Forums Shell Programming and Scripting Migration unit testing process Post 302241065 by onesuri on Sunday 28th of September 2008 06:49:56 AM
Old 09-28-2008
Migration unit testing process

Hi,
We are doing migration from DB2 to Teradata.
There are couple of things involving in the project.

Please see below following order

Autosys-Jil script
Profile script
Category1
Teradata script
Data stage job script
Tera data script
Export files script..


Like that we have 10000 jobs....

We are planning to migrate all the scipts. We did lot of atomization to change all the scripts,,, like search and replace the string....


Now the challenging task is UNIT TESTING.
I suggested the client two ways:

1. We deploy all the existing code in to one schema.....
Another schema we will deploy the latest code....
We will compare with the counts in the tables.
The output counts should be matched.

Advantages:
1. Improve the quality of testing
2. Work flow is understandable.
Disadvantages:
1. Investing llot of cost on resources.
2. Client is not accepting to spend that much money on additional resource


2. First deploy the existing code then load the data into tables. Then take the back up of the tables and deploy the new code and trigger the load.
Compare the two tables.
The counts should be match.

Advantages:
1. Save the amount of resource cost.

Disadvantages:
1. Re work process is more if the output is not correct.

Please advise me any other solution.

We have very less time to do on unit testing. Help me on advises and automise the unit testing process.

Thanks
Suri...
 

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DB2_TABLE_PRIVILEGES(3) 						 1						   DB2_TABLE_PRIVILEGES(3)

db2_table_privileges - Returns a result set listing the tables and associated privileges in a database

SYNOPSIS
resource db2_table_privileges (resource $connection, [string $qualifier], [string $schema], [string $table_name]) DESCRIPTION
Returns a result set listing the tables and associated privileges in a database. PARAMETERS
o $connection - A valid connection to an IBM DB2, Cloudscape, or Apache Derby database. o $qualifier - A qualifier for DB2 databases running on OS/390 or z/OS servers. For other databases, pass NULL or an empty string. o $schema - The schema which contains the tables. This parameter accepts a search pattern containing _ and % as wildcards. o $table_name - The name of the table. This parameter accepts a search pattern containing _ and % as wildcards. RETURN VALUES
Returns a statement resource with a result set containing rows describing the privileges for the tables that match the specified parame- ters. The rows are composed of the following columns: +-------------+---------------------------------------------------+ |Column name | | | | | | | Description | | | | +-------------+---------------------------------------------------+ | TABLE_CAT | | | | | | | The catalog that contains the table. The value is | | | NULL if this table does not have catalogs. | | | | |TABLE_SCHEM | | | | | | | Name of the schema that contains the table. | | | | | TABLE_NAME | | | | | | | Name of the table. | | | | | GRANTOR | | | | | | | Authorization ID of the user who granted the | | | privilege. | | | | | GRANTEE | | | | | | | Authorization ID of the user to whom the privi- | | | lege was granted. | | | | | PRIVILEGE | | | | | | | The privilege that has been granted. This can be | | | one of ALTER, CONTROL, DELETE, INDEX, INSERT, | | | REFERENCES, SELECT, or UPDATE. | | | | |IS_GRANTABLE | | | | | | | A string value of "YES" or "NO" indicating | | | whether the grantee can grant the privilege to | | | other users. | | | | +-------------+---------------------------------------------------+ SEE ALSO
db2_column_privileges(3), db2_columns(3), db2_foreign_keys(3), db2_primary_keys(3), db2_procedure_columns(3), db2_procedures(3), db2_spe- cial_columns(3), db2_statistics(3), db2_tables(3). PHP Documentation Group DB2_TABLE_PRIVILEGES(3)
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