Overview of DML Operations – SQL Delete
This article on the SQL Delete is a part of the SQL essential series on key statements, functions and operations...
2018-12-03
376 reads
PowerSQL By Prashanth Jayaram
Overview of the SQL Insert statement
This article on the SQL Insert statement is part of a series on string manipulation functions, operators and techniques. The...
2018-10-26
374 reads
SQL Pivot and Unpivot relational operatots
In this article, we’ll walk-through the SQL Pivot and SQL Unpivot operators and how they can be useful to transpose...
2018-10-15
265 reads
Overview of the SQL Update statement
In this article, we’ll walk-through the SQL update statement to modify one or more existing rows in the table. After reading...
2018-10-08
302 reads
Overview of SQL UNION
This article will provide a deep dive into the SQL UNION operator, describing its many uses along with examples and...
2018-09-27
773 reads
Overview of SQL Joins in SQL Server
The ability to combine results from related rows from multiple tables is an important part of relational database system design. In SQL...
2018-09-19
620 reads
SQL Substring function in SQL Server
The requirement of data refactoring is very common and vital in data mining operations. In the previous article, you’ll learn...
2018-09-17
270 reads
SQL Server string functions for Data Munging (Wrangling)
In this article, you’ll learn the tips for getting started using SQL string functions for data munging with SQL Server....
2018-09-13
355 reads
Getting started with SQL Server Tools
This article is part of the SQL Server Tools series, aimed at giving you an idea of the available tools and techniques...
2018-09-04
639 reads
Experimenting SysTools SQL Database Repair Tool by SQL MVP Shashank
Author Bio: Shashank is a TechNet Wiki Ninja who loves to work on SQL Server. He lives in Mumbai and...
2018-08-24
347 reads
Blogs
T-SQL Tuesday #198–Change Detection
By Steve Jones
This month we have a new host, Meagan Longoria, who graciously agreed to help...
Redgate and Rome
By Steve Jones
I’m at the UK Redgate office today, meeting with senior leaders in all areas...
Quick Tip: Check Most DTU Expensive Queries in Azure SQL Database
Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding...
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Creating a JSON Document IV
Comments posted to this topic are about the item Creating a JSON Document IV
Question of the Day
Creating a JSON Document IV
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers