代码改变世界

阅读排行榜

How about xlogs are missing and xlogs are deleted

2016-02-04 17:02 by DataBases, 499 阅读, 收藏,
摘要: How about xlogs are missing and Postgres starts 阅读全文

Hive 日期函数

2020-06-01 16:19 by DataBases, 498 阅读, 收藏,
摘要: Hive date函数hive没有专门的日期类型,使用字符串(string)来存储日期类型,比如 '2012-12-29', '2012-12-29 10:00:00'。形如 'yyyy-mm-dd' 的数据为 date类型数据,形如 'yyyy-mm-dd HH:MM:SS'的数据为time类型数 阅读全文

configs for postgresql restart and postgresql reload

2016-05-11 17:33 by DataBases, 491 阅读, 收藏,
摘要: postgres=# select name, setting, contextpostgres-# from pg_settings where context = 'postmaster'; name | setting | context + + allow_system_table_mods 阅读全文

PostgreSQL Errors and Messages

2015-12-06 22:09 by DataBases, 491 阅读, 收藏,
摘要: 使用RAISE语句来报告消息并抛出错误RAISE [ level ] ’format’ [, expression [, ... ]] [ USING option = expression [, ... ] ];RAISE [ level ] condition_name [ USING opti... 阅读全文

PostgreSQL Replication之第五章 设置同步复制(2)

2015-08-19 21:48 by DataBases, 489 阅读, 收藏,
摘要: PostgreSQL Replication 阅读全文
上一页 1 ··· 37 38 39 40 41 42 43 44 45 ··· 80 下一页