With a subquery, you can reference tables to determine inclusion of data or, in some cases, return a column that is the result of a subselect. The following example uses two tables: ...

I’ve created a script that monitors a table in a SQL Server database. I’m only interested in one column in the table: TimeStamp. If the maximum (newest) value in TimeStamp is more than 30 ...

How to Create a Table From Query Results in Microsoft SQL. If your business uses relational databases to store data, you may have used a SQL SELECT clause to create new tables from query results.

Put the query in a new query window in SQL Server Management Studio. Looking at the AdventureWords2012 database (available for download from CodePlex), review the uspGetEmployeeManagers stored ...

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...

An easy way to check SQL ... And now all you’ve gotta do is save it in your centralized table and write a simple query because all of ... 10 more do’s and don’ts for faster SQL queries. Sep ...

SQL Basics I: Data Queries—covers database terminology and the four basic query types. SQL Basics: SELECT statement options —covers the SELECT statement in detail and explains aggregate functions.

SQL is the leading language for developing and querying databases, but it has a few quirks.In my last article, I shared 7 SQL mistakes to avoid.Now, let’s take a look at 9 best practices for ...

Effectively, those methods can become just thin wrappers around SQL queries. If you want to play with SQL Server’s JSON support (or the other big new feature in SQL Server 2016, temporal tables), you ...