Fusion of single table
Hi allI am using the command merge onto a single table. I want to check some values in the table, if they already exist I just update, thing that I want to insert.
For this I use the following code:
MERGE INTO my_table OLD_VAL
NEW_VAL in ASSISTANCE from (SELECT L_field1, L_field2, L_field3, DOUBLE L_field4)
WE (OLD_VAL.field1 = NEW_VAL. L_field1
AND OLD_VAL.field2 = NEW_VAL. L_field2
AND OLD_VAL.field3 = NEW_VAL. L_field3
)
WHEN MATCHED THEN
UPDATE SET OLD_VAL.field4 = NEW_VAL. L_field4
WHEN NOT MATCHED THEN
INSERT (Field1, Field2, field3, field4, sphere5)
VALUES (NEW_VAL. L_field1, NEW_VAL. L_field2, NEW_VAL. L_field3, NEW_VAL. L_field4, SYSDATE);
Fields starting with L_ here is my local variables inside my procedure.
It is giving error as ORA-00904: "NEW_VAL. "" L_field3 ": invalid identifier
Thank you all.
SELECT L_field1, L_field2, L_field3, DOUBLE L_field4
1. you r select all values here?
2. try to give alias for all columns
Tags: Database
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