EAR-Database.md

@@ -76,6 +76,23 @@ Additionally, if EAR was compiled in a system with GPUs (or with the GPU flag ma
 
 ## Updating from previous versions
 
+### From EAR 4.2 to 4.3
+
+> **NOTE** This change only applies to the databases that have been created with the extended application signature (i.e. they have the FLOPS, instructions and cycles counters in their signatures).
+
+Three new fields corresponding to L1, L2 and L3 cache misses have been added to the signatures.
+```
+ALTER TABLE Signatures
+ADD COLUMN L1_misses BIGINT UNSIGNED AFTER perc_MPI,
+ADD COLUMN L2_misses BIGINT UNSIGNED AFTER L1_misses,
+ADD COLUMN L3_misses BIGINT UNSIGNED AFTER L2_misses;
+```
+```
+ALTER TABLE Learning_signatures
+ADD COLUMN L1_misses BIGINT UNSIGNED AFTER perc_MPI,
+ADD COLUMN L2_misses BIGINT UNSIGNED AFTER L1_misses,
+ADD COLUMN L3_misses BIGINT UNSIGNED AFTER L2_misses;
+```
 ### From EAR 4.1 to 4.2
 
 A field in the Events table had its name changed to be more generic. One can do that with EITHER of the following commands: