What is the use of preceding load in QlikView?
The preceding LOAD feature allows you to load a table in one pass, but still define several successive transformations. Basically, it is a LOAD statement that loads from the LOAD or SELECT statement below, without specifying a source qualifier such as From or Resident that you would normally do.
Can the first load of QlikView be a resident load?
QlikView can load data from tables already existing in its RAM, which is already processed by a script. This requirement arises when you want to create a table deriving data from an already existing table in the same script.
What is optimized and unoptimized load in QlikView?
hello, You can think of an unoptimized load as reading the table one record at a time. Whereas, the optimized load is reading in chunks of records at a time. If your QVDis relatively small you will hardly notice a difference.
What is resident load in QlikView?
In QlikView, Resident Load can be used to load data from a previously loaded table. In Resident Load, we can do a calculation or transformation. It is very simple to load an existing field and table also.
Which is better preceding load or resident load?
In preceding load data fetched from data sources only once and gone through some transformations on the fly in the preceding steps and then finally loaded into RAM. So Data occupy RAM only once and processed once only. In that way Preceding load is better choice than Resident Load.
What is load in QlikView?
The LOAD statement loads fields from a file, from data defined in the script, from a previously loaded table, from a web page, from the result of a subsequent SELECT statement or by generating data automatically.
How do I optimize my qlikview dashboard?
“The usual” techniques include:
- Reducing data volume.
- Pre-calculating most frequently used expressions.
- Pre-aggregating fact tables.
- Merge tables.
- Avoid string comparison.
- Avoid big listboxes or tables boxes.
- Avoid showing too many objects at the same time.
What is optimized QVD in Qliksense?
An optimized QVD load only happens when you load data FROM a qvd file into your application, and there are no data transformations or a single “where exists” clause. This can be seen in the reload progress window.