Microsoft SQL Server PowerPivot for Excel, or PowerPivot for short, is an in-memory business intelligence (BI) engine that enables Excel users to interactively create pivot tables over large data sets ...
- name: example__child_table constraints: - type: primary_key name: pk_example__child_table columns: ["id"] - type: not_null columns: ["id", "name", "parent_id ...
mysql incr - alter table FOREIGN KEY ON DELETE SET NULL ON UPDATE SET NULL, the symbol is differenet
check show create, the symbol is differenet. child_3_ibfk_1 and fk_child_3_1 # src mysql SQL> SHOW CREATE TABLE child_3; child_3 | CREATE TABLE `child_3` ( `id` int(11) DEFAULT NULL, `parent_id` ...
According to the prevailing wisdom in the West, the Ukraine crisis can be blamed almost entirely on Russian aggression. Russian President Vladimir Putin, the argument goes, annexed Crimea out of a ...
I'm working on a web app, and it part of it, there is a very simple database-driven file/document manager. As a file manager, there is the possibility of sub-folders. So in the DB, I have the ...
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