2025-03-17
485 reads
Alter table
2023-08-14
405 reads
2023-04-17
443 reads
2023-04-03
556 reads
2023-03-01
511 reads
Implementing Reporting Application Enhancements with No Downtime
The purpose of this article is to detail steps that would help implement an enhancement to reporting application that uses SQL Server Database (or any other database) in backend without causing downtime to reporting application.
2020-04-09
69,023 reads
Create a view to Alter a Table and Add three Columns
I am teaching a database class at Queens College. The project entails the truncation of all of the data and loading new data into the existing database "BIClass" from a single of the flattened data. One of the tasks of the project was to add these three additional columns to each of the tables (AlterTableAddColumnsUserAuthorizationKeyAndTwoTimeStamps): […]
2019-11-18 (first published: 2019-11-10)
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2019-09-24
987 reads
2018-08-16
903 reads
2018-08-02
928 reads
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Question of the Day
Locking Hierarchies
You have a table [dbo].[orders] without a Clustered Index (Heap). The table does not have any other nonclustered indexes! You rund the following command in Read Committed Isolation Level:
SELECTo_orderdate,
o_orderkey,
o_custkey,
o_storekey
FROMdbo.orders
WHEREo_orderkey = 3877;