摘要:
查看當(dāng)前會(huì)話時(shí)區(qū) SELECT @@session.time_zone; 設(shè)置當(dāng)前會(huì)話時(shí)區(qū) SET time_zone = 'Europe/Helsinki'; SET time_zone = "+00:00"; 數(shù)據(jù)庫全局時(shí)區(qū)設(shè)置 SELECT @@global.time_zone; 設(shè)置全局時(shí)區(qū)
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摘要:
[JsonConverter(typeof(EnumJsonConverter<DocumentStatus>))] public enum DocumentStatus { None = 0, Rejected = 1, Approved = 2, Published = 3, } public
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摘要:
在 MySQL 的執(zhí)行計(jì)劃中,Using join buffer (Block Nested Loop) 表示在執(zhí)行嵌套循環(huán)連接(Nested Loop Join)時(shí),MySQL 使用了一種稱為塊嵌套循環(huán)(Block Nested Loop)的優(yōu)化策略,這種策略會(huì)用到連接緩沖區(qū)(join buffe
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