The Join and Keep prefixes can be preceded by the prefix right.
If used before join it specifies that a right join should be used. The resulting table will only contain combinations of field values from the raw data tables where the linking field values are represented in the second table. If used before keep, it specifies that the first raw data table should be reduced to its common intersection with the second table, before being stored in Qlik Sense.
Syntax:
Right (Join | Keep) [(tablename)](loadstatement |selectstatement )
Arguments:
| Argument | Description |
|---|---|
| tablename | The named table to be compared to the loaded table. |
| loadstatement or selectstatement | The LOAD or SELECT statement for the loaded table. |
Examples:
|
Table1 |
|
|
A |
B |
|
1 |
aa |
|
2 |
cc |
|
3 |
ee |
|
Table2 |
|
|
A |
C |
|
1 |
xx |
|
4 |
yy |
QVTable:
SQL SELECT * from table1;
right join SQL SELECT * from table2;
|
QVTable |
|
|
|
A |
B |
C |
|
1 |
aa |
xx |
|
4 |
- |
yy |
QVTab1:
SQL SELECT * from Table1;
QVTab2:
right keep SQL SELECT * from Table2;
|
QVTab1 |
|
|
A |
B |
|
1 |
aa |
|
QVTab2 |
|
|
A |
C |
|
1 |
xx |
|
4 |
yy |
The two tables in the keep example are, of course, associated via A.
tab1:
LOAD * from file1.csv;
tab2:
LOAD * from file2.csv;
.. .. ..
right keep (tab1) LOAD * from file3.csv;
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