SELECT pg_size_pretty( pg_database_size('test_db1') ) as db_size; 以下为推送内容设定 调度及推送设置 推送结果 实践:取得各 Schema 的数据使用情况 以下为 SQL 内容 SELECT schema_name, pg_size_pretty(sum(table_size)) as schema_size, cast((sum(table
typeId=1188双查询结果用法当我们需要在select后在外面在包一层select,代码如下 var getAll = db.Queryable<Order>() .Select(it => new Order { Id = * 2, Name = }) .MergeTable()//将上面的操作变成一个表 mergetable .GroupBy(it => )//对表mergetable进行分组 .Select(it =>new{ id= }).To...
sizeof("Some text\n")应该总是返回10 (正如我所期望的)? 浏览9提问于2020-10-06得票数 1 回答已采纳 1回答 在一个PHP函数中实现2个MySQL查询 、 我有两个函数,我使用两个不同的查询。我需要创建一个函数来检索项目的视图数量。下面是两个函数: $this->db->select('*'); $query = $this->db->...
db01=#select * from db01.schema01.t1; #某个数据库下面的shema的对象id--- 1(1 row) 查看schema \dn; 查看表,索引的大小 selectpg_size_pretty(pg_relation_size('cdp_order_item')); #查看表的大小selectpg_size_pretty(pg_indexes_size('cdp_order_item')); #查看索引的大小 查看表对应的索引...
(两款数据库不同Query下的耗时,越小越好) 根据TPC-H的测试结果来看,OushuDB综合性能比Postgres快了30倍以上。虽然Postgres是一款很多企业都在使用的十分优秀的数据库,但是在面对海量数据的查询这样的需求时,比OushuDB差的挺远的。由此我们也看到国产数据库这两年的巨大进步,同时国产数据库的崛起也在很多领域打破了国...
lrwxrwxrwx 1 postgres dba 32 Jul 26 07:21 check_postgres_custom_query -> /usr/local/bin/check_postgres.pl lrwxrwxrwx 1 postgres dba 32 Jul 26 07:21 check_postgres_database_size -> /usr/local/bin/check_postgres.pl lrwxrwxrwx 1 postgres dba 32 Jul 26 07:21 check_postgres_dbstats...
3.6.24 2024-12-16 49469 Simplify CTID_TABLE_BLOCK_SIZE query for Postgres integration 3.6.23 2024-11-13 #48482 Convert large integer typed using NUMERIC(X, 0) into a BigInteger. l 3.6.22 2024-10-02 46900 Fixed a bug where source docs won't render on Airbyte 1.1 ...
All done! Fast Gel client libraries, network protocol, and the query language are designed for performance. DB / backend latency:300us1ms10ms 0 100 200 300 400 500 600 700 Requests per second. More is better.
6. dbForge Studio for PostgreSQL by Devart The dgForge Studio for PostgreSQL Migration Tool is your go-to solution for quickly and easily relocating your workloads and data to new storage and processing systems. It features an intuitive GUI packed with advanced options, making data migration a ...
lrwxrwxrwx 1 postgres dba 32 Jul 26 07:21 check_postgres_custom_query -> /usr/local/bin/check_postgres.pl lrwxrwxrwx 1 postgres dba 32 Jul 26 07:21 check_postgres_database_size -> /usr/local/bin/check_postgres.pl lrwxrwxrwx 1 postgres dba 32 Jul 26 07:21 check_postgres_dbstats...