SELECT
column_name as '名',
column_comment as '注释',
column_type as '类型',
IF(column_key='PRI','TRUE','FALSE') AS '主键唯一',
IF(is_nullable='NO','TRUE','FALSE') AS '非空'
FROM
INFORMATION_SCHEMA.COLUMNS
WHERE
table_name = '数据表名'
SELECT
column_name as '名',
column_comment as '注释',
column_type as '类型',
IF(column_key='PRI','TRUE','FALSE') AS '主键唯一',
IF(is_nullable='NO','TRUE','FALSE') AS '非空'
FROM
INFORMATION_SCHEMA.COLUMNS
WHERE
table_name = '数据表名'
01 背 景 播放鏈路是愛奇藝最重要的業務,鏈路穩定性極其重要,隨着愛奇藝用戶的不斷增長和熱播劇集的推廣,播放鏈路往往面臨着難以預估的用戶流量的突增,考