A free graphical user interface, Oracle SQL Developer allows database users and administrators to do their database tasks in fewer clicks and keystrokes. A productivity tool, SQL Developer's main objective is to help the end user save time and maximize the return on investment in the Oracle Da...
This article will show how triggers, indexes, constraints and foreign keys will replicate in snapshot and after snapshot in SQL Server replication. Merge replication is used to replicate data from a publisher to a subscriber database and vice versa. Recently someone at our workplace came to ...
SQL Server Replication of any type (transactional, merge, snapshot, and so on). Distributed availability groups. Log shipping where the target database is in the contained AG. Log shipping with the source database in the contained AG is supported....
A free graphical user interface, Oracle SQL Developer allows database users and administrators to do their database tasks in fewer clicks and keystrokes. A productivity tool, SQL Developer's main objective is to help the end user save time and maximize the return on investment in the Oracle Da...
虽然大家都是叫它 LSM 树,听着很像是一个树状的数据结构,但严格意义上,它是一种存储结构,全称Log-Structured-Merge-Tree,即日志结构合并树 很多NoSQL存储都是采用 LSM 树进行支撑的,如HBase、LevelDB、RocksDB 等 它的核心其实是牺牲部分读性能(存储分层设计),追求更好的写性能(顺序写) ...
Using the Log Retention Days property, you can specify how long historical data is retained. For more information, see Member Revision History (Master Data Services). Merge Conflicts If you try to publish data that has been changed by another user, the publish will fail with a conflict error...
Metadata review dialog: Add merge comments action Bug fixes Kobo driver: Fix viewing of KEPUB files from the device view in calibre not working Fix a regression in 8.1 that broke displaying of the debug log when running in debug mode E-book viewer: Fix a regression in 8.0 that caused...
Additionally, you can set the IDE to resolve conflicts in import statements automatically in Settings/Preferences | Tools | Diff & Merge. Tags in the Version Control widget We’ve given tags a dedicated node in the Version Control widget, making it easier to check them out. The node is ...
Table 2: Field3|Field4===ABC1|ABC2NULL|DEF2 DEF4|DEF3 is there a way I can perform a selection on the tables to get the following Table: Field1|Field2|Field3|Field4===ABC|NULL|ABC1|ABC2 NULL|DEF|NULL| DEF2 NULL | NULL |DEF4| DEF3 Thanks SELECT...
排序操作也可以在多个worker并行完成,leader只需要做汇总的mergesort即可 以TPC-H Q11为例 TPC-H Q11: EXPLAIN format=tree SELECT ps_partkey, sum(ps_supplycost * ps_availqty) as value FROM partsupp, supplier, nation WHERE ps_suppkey = s_suppkey and s_nationkey = n_nationkey and n_name =...