GLOBAL_VARIABLES
bind_info
columns_priv
db
default_roles
expr_pushdown_blacklist
gc_delete_range
gc_delete_range_done
global_grants
global_priv
help_topic
opt_rule_blacklist
role_edges
schema_index_usage
stats_buckets
stats_extended
stats_feedback
stats_fm_sketch
stats_histograms
stats_meta
stats_top_n
tables_priv
tidb
user