Tags » SQL

A Color Box. Lost in Translation

It was that time again.

The Chief Engineer had rebuilt the technical room from scratch. Each piece of heavy equipment had a new place, each pipe and wire was reborn in a new incarnation (German… 713 more words

Science And Technology

On this post, a brief explanation about SQL INSERT (INSERT INTO), DELETE and UPDATE statements and the example queries will be shared.

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How Streak built a graph database on Cloud Spanner to wrangle billions of emails

Streak makes a CRM add-on for Gmail, and recently adopted Cloud Spanner to take advantage of its scalability and SQL capabilities to implement a graph data model. 30 more words


Cursors in SQL server

Cursors in SQL server

In this article we will learn following topics:

  • What is cursor?
  • Implicit cursor.
  • Explicit cursor.


Cursor is a temporary memory that is allocated by database server at the time of data manipulation operations are performing by the user on table. 276 more words

SQL Server

How to Aggregate an Archive Log's Deltas into a Snapshot with SQL

A customer of my popular SQL training (which you should book!) has recently challenged me to optimise a hierarchical query that merges an archive log’s deltas in order to obtain a snapshot of some record at a given point in time. 1,766 more words