information_schema.key_caches.*

show items implemented by
relation column mysqlmariadbtidbpostgrescockroachdbmssql
key_caches  
block_size unsupported BIGINT NOT NULL: NULL: unsupported unsupported unsupported unsupported
dirty_blocks unsupported BIGINT NOT NULL: NULL: unsupported unsupported unsupported unsupported
full_size unsupported BIGINT NOT NULL: NULL: unsupported unsupported unsupported unsupported
key_cache_name unsupported VARCHAR NOT NULL: NULL: unsupported unsupported unsupported unsupported
read_requests unsupported BIGINT NOT NULL: NULL: unsupported unsupported unsupported unsupported
reads unsupported BIGINT NOT NULL: NULL: unsupported unsupported unsupported unsupported
segment_number unsupported NULL: unsupported unsupported unsupported unsupported
segments unsupported NULL: unsupported unsupported unsupported unsupported
unused_blocks unsupported BIGINT NOT NULL: NULL: unsupported unsupported unsupported unsupported
used_blocks unsupported BIGINT NOT NULL: NULL: unsupported unsupported unsupported unsupported
write_requests unsupported BIGINT NOT NULL: NULL: unsupported unsupported unsupported unsupported
writes unsupported BIGINT NOT NULL: NULL: unsupported unsupported unsupported unsupported