I am a new feature of the nosql concept, so when I started to learn PouchDB, I found this conversion diagram. My confusion is, if I say that I have multiple tables, how Dealing with PouchDB, does t
Tag: structure
NOSQL – Cassandra file structure – How is the file used?
When trying to use Cassandra, I found that Cassandra will write the following files:
/…/cassandra/ commitlog/CommitLog-.log
/…/cassandra/data/Keyspace1/Standard1-1-Data.db
/…/cassandra/
PostgreSQL – Postgres hierarchy – counting of sub-level, sorted by subkey or grandson
I want to know how to write a postgres subquery so that the following example will output what I need.
id parent_id postdate
1 -1 2015-03-10
2 1 2015-03-11 (child level 1)
3 1 2015
DDL operation table structure
DDL operation table structure: CRUD One, C (create) create 1, create table create table table name(
Column name 1 data type 1,
Column name 2 data type 2,
Column name 3 data type 3,
Embedded – What is the common structure of firmware files?
I have a total of n00b in embedded programming. Suppose I am using a compiler to build the firmware. The result of this operation is a file that will flash to (I guess) the MCU (such as ARM or AVR)
Algorithm – Quick filtering data structure (DELPHI)?
I am optimizing a part of a Delphi application, where the list of objects is often filtered using different criteria. The objects are stored in the TObjectList structure, and each filter is usually