Interested to Buy Any Domain ? << Click Here >> for more details...
What is regex (lookup)? When you should use it?
- 3 Answers
- 15667 Views
- HCL, I also Faced
- E-Mail Answers
Answer Posted / rajat singh
In a regex lookup operation, each record in the lookup file must contain a regular expression in the format described in “Regular expressions in DML functions”. The regex key specifier of a regex lookup file identifies the record field to interpret as a regular expression.
A lookup function such as lookup (file_label , expression) tests the value of its second argument against the regular expression field in each record of the lookup file, until the function finds a match.
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
How transaction file different from that of a sort file?
What is m_dump?
How does the bre work with the co>operating system?
Describe the elements you would review to ensure multiple scheduled batch jobs do not collide with each other?
what is the difference between i)public ii)private iii)common and client projects?
What are differences between different gde versions(1.10,1.11,1.12,1.13and 1.15)?what are differences between different versions of co-op?
How can you SORT an already partitioned (round-robin) data ? How to use in abinitio graph? 3. How internally partition by key decides which key to send in which partition ? How to use in abinitio graph? 4. What is PDL ? Give him a shell type parameter and ask him to convert it to PDL. How to use in abinitio graph? 5. As shell type parameters are not supported by EME, then how you can use shell type parameter (If you don't want to use PDL) without hampering lineage diagram ? How to use in abinitio graph? 6.How you can generate dml from a COBOL copy book ? How to use in abinitio graph? 7. How you can convert from ebcdic to packed decimal ? How to use in abinitio graph?
Describe the process steps you would perform when defragmenting a data table. This table contains mission critical data?
What is the architecture of abinitio?
What is the use of aggregation when we have rollup as we know rollup component in abinitio is used to summarize a group of data record? Then where we will use aggregation?
What is the core of co> operating system?
Have you used the rollup component? Describe how?
How to replace last 4 digits of an input column with XXXX given input column has 12 digits?
What is the max core of a component?
What are the fundamental blocks of co> operating system of ab initio?
