变量名

值类型

类型

autocommit

boolean

SESSION

big_tables

boolean

SESSION

binlog_cache_size

numeric

GLOBAL

bulk_insert_buffer_size

numeric

GLOBAL | SESSION

character_set_client

string

GLOBAL | SESSION

character_set_connection

string

GLOBAL | SESSION

character_set_results

string

GLOBAL | SESSION

character_set_server

string

GLOBAL | SESSION

collation_connection

string

GLOBAL | SESSION

collation_server

string

GLOBAL | SESSION

completion_type

numeric

GLOBAL | SESSION

concurrent_insert

boolean

GLOBAL

connect_timeout

numeric

GLOBAL

convert_character_set

string

GLOBAL | SESSION

default_week_format

numeric

GLOBAL | SESSION

delay_key_write

OFF | ON | ALL

GLOBAL

delayed_insert_limit

numeric

GLOBAL

delayed_insert_timeout

numeric

GLOBAL

delayed_queue_size

numeric

GLOBAL

div_precision_increment

numeric

GLOBAL | SESSION

engine_condition_pushdown

boolean

GLOBAL | SESSION

error_count

numeric

SESSION

expire_logs_days

numeric

GLOBAL

flush

boolean

GLOBAL

flush_time

numeric

GLOBAL

foreign_key_checks

boolean

SESSION

ft_boolean_syntax

numeric

GLOBAL

group_concat_max_len

numeric

GLOBAL | SESSION

identity

numeric

SESSION

innodb_autoextend_increment

numeric

GLOBAL

innodb_concurrency_tickets

numeric

GLOBAL

innodb_max_dirty_pages_pct

numeric

GLOBAL

innodb_max_purge_lag

numeric

GLOBAL

innodb_support_xa

boolean

GLOBAL | SESSION

innodb_sync_spin_loops

numeric

GLOBAL

innodb_table_locks

boolean

GLOBAL | SESSION

innodb_thread_concurrency

numeric GLOBAL

innodb_thread_sleep_delay

numeric GLOBAL

insert_id

boolean

SESSION

interactive_timeout

numeric

GLOBAL | SESSION

join_buffer_size

numeric

GLOBAL | SESSION

key_buffer_size

numeric

GLOBAL

last_insert_id

numeric

SESSION

local_infile

boolean

GLOBAL

log_warnings

numeric

GLOBAL

long_query_time

numeric

GLOBAL | SESSION

low_priority_updates

boolean

GLOBAL | SESSION

max_allowed_packet

numeric

GLOBAL | SESSION

max_binlog_cache_size

numeric

GLOBAL

max_binlog_size

numeric

GLOBAL

max_connect_errors

numeric

GLOBAL

max_connections

numeric

GLOBAL

max_delayed_threads

numeric

GLOBAL

max_error_count

numeric

GLOBAL | SESSION

max_heap_table_size

numeric

GLOBAL | SESSION

max_insert_delayed_threads

numeric

GLOBAL

max_join_size

numeric

GLOBAL | SESSION

max_relay_log_size

numeric

GLOBAL

max_seeks_for_key

numeric

GLOBAL | SESSION

max_sort_length

numeric

GLOBAL | SESSION

max_tmp_tables

numeric

GLOBAL | SESSION

max_user_connections

numeric

GLOBAL

max_write_lock_count

numeric

GLOBAL

myisam_stats_method

enum

GLOBAL | SESSION

multi_read_range

numeric

GLOBAL | SESSION

myisam_data_pointer_size

numeric

GLOBAL

log_bin_trust_routine_creators

boolean

GLOBAL

myisam_max_sort_file_size

numeric

GLOBAL | SESSION

myisam_repair_threads

numeric

GLOBAL | SESSION

myisam_sort_buffer_size

numeric

GLOBAL | SESSION

net_buffer_length

numeric

GLOBAL | SESSION

net_read_timeout

numeric

GLOBAL | SESSION

net_retry_count

numeric

GLOBAL | SESSION

net_write_timeout

numeric

GLOBAL | SESSION

old_passwords

numeric

GLOBAL | SESSION

optimizer_prune_level

numeric

GLOBAL | SESSION

optimizer_search_depth

numeric

GLOBAL | SESSION

preload_buffer_size

numeric

GLOBAL | SESSION

query_alloc_block_size

numeric

GLOBAL | SESSION

query_cache_limit

numeric

GLOBAL

query_cache_size

numeric

GLOBAL

query_cache_type

enumeration

GLOBAL | SESSION

query_cache_wlock_invalidate

boolean

GLOBAL | SESSION

query_prealloc_size

numeric

GLOBAL | SESSION

range_alloc_block_size

numeric

GLOBAL | SESSION

read_buffer_size

numeric

GLOBAL | SESSION

read_only

numeric

GLOBAL

read_rnd_buffer_size

numeric

GLOBAL | SESSION

rpl_recovery_rank

numeric

GLOBAL

safe_show_database

boolean

GLOBAL

secure_auth

boolean

GLOBAL

server_id

numeric

GLOBAL

slave_compressed_protocol

boolean

GLOBAL

slave_net_timeout

numeric

GLOBAL

slave_transaction_retries

numeric

GLOBAL

slow_launch_time

numeric

GLOBAL

sort_buffer_size

numeric

GLOBAL | SESSION

sql_auto_is_null

boolean

SESSION

sql_big_selects

boolean

SESSION

sql_big_tables

boolean

SESSION

sql_buffer_result

boolean

SESSION

sql_log_bin

boolean

SESSION

sql_log_off

boolean

SESSION

sql_log_update

boolean

SESSION

sql_low_priority_updates

boolean

GLOBAL | SESSION

sql_max_join_size

numeric

GLOBAL | SESSION

sql_mode

enumeration

GLOBAL | SESSION

sql_notes

boolean

SESSION

sql_quote_show_create

boolean

SESSION

sql_safe_updates

boolean

SESSION

sql_select_limit

numeric

SESSION

sql_slave_skip_counter

numeric

GLOBAL

updatable_views_with_limit

enumeration

GLOBAL | SESSION

sql_warnings

boolean

SESSION

sync_binlog

numeric

GLOBAL

sync_frm

boolean

GLOBAL

storage_engine

enumeration

GLOBAL | SESSION

table_cache

numeric

GLOBAL

table_type

enumeration

GLOBAL | SESSION

thread_cache_size

numeric

GLOBAL

time_zone

string

GLOBAL | SESSION

timestamp

boolean

SESSION

tmp_table_size

enumeration

GLOBAL | SESSION

transaction_alloc_block_size

numeric

GLOBAL | SESSION

transaction_prealloc_size

numeric

GLOBAL | SESSION

tx_isolation

enumeration

GLOBAL | SESSION

unique_checks

boolean

SESSION

wait_timeout

numeric

GLOBAL | SESSION

warning_count

numeric

SESSION