Should I use flat tables or a normalized database?
Dec 1, 2010 · Should I keep the database normalized with everything pooled into relational tables with foreign keys (indexes, etc) or should I construct flat tables for every new form that a user …
database - flattened out vs. normalized - Stack Overflow
Jan 19, 2011 · "Flattened out" typically refers to a database where you have a single (or few) very large tables. "Normalized" refers to whether the data has been organized into well structured, …
What is a flat table? - SQLServerCentral Forums
Jan 24, 2012 · Now, as an Excel sheet, this is referred to as a flat file (as Celko pointed out), but when you import the data "as is" into an Access / SQL / Oracle database and if you leave it as …
Data Warehousing - Star Schema vs Flat Table - Stack Overflow
Jun 13, 2017 · Why is it better to design your DW Data Mart as a star schema rather than a single flat table? Surely having no joins between facts and attributes/dimensions is faster and simpler …
Import CSV (flat file) using SQL Server Management Studio in …
Oct 5, 2021 · Here, select "Flat File Source" as the data source. Click the "Browse" button to locate and select the CSV file you want to import. Configure Data Source Settings: Depending …
database - When is a flat DB design acceptable - Stack Overflow
Dec 22, 2012 · Closed 2 years ago. When is it OK to abandon the wisdom of relational database design and revert back a flat table structure that incorporates no links, adding extra columns to …
What is the most efficient way to parse a flat table into a tree?
I usually prefer a design called Closure Table (aka "Adjacency Relation") for storing tree-structured data. It requires another table, but then querying trees is pretty easy. I cover …
Flattening relational tables into a single flat table
Nov 21, 2018 · TRUNCATE FLAT_TABLE_2 FLAT_TABLE_1 + TBL5 ---MERGE JOIN---> FLAT_TABLE_2 My final thought was to simply use TSQL scripts and write directly to the flat …
How can I load a large flat file into a database table using SSIS?
Create an OLE DB connection pointing to the SQL Server database. Create a flat file connection as shown in screenshots # 3 and # 4. Flat File Connection Columns section contains column …
amazon redshift - Data modeling in columnar database vs multi ...
Sep 30, 2020 · In my way of learning Redshift (my first columnar database), I am struggling to figure out the approach for designing the model. Columnar database does promote flat table …