In a previous article about creating a SQL Server Agent job with T-SQL, I demonstrated how to create a job with a single step.
In this article, I’ll show you how to create a job with multiple steps.
Continue readingIn a previous article about creating a SQL Server Agent job with T-SQL, I demonstrated how to create a job with a single step.
In this article, I’ll show you how to create a job with multiple steps.
Continue readingA LEFT SEMI JOIN
is kind of a half-join. It returns any distinct values that are returned by both the query on the left and right sides of the query.
However, when using T-SQL in SQL Server, if you try to explicitly use LEFT SEMI JOIN
in your query, you’ll probably get the following error:
A LEFT ANTI SEMI JOIN
is a type of join that returns only those distinct rows in the left rowset that have no matching row in the right rowset.
But when using T-SQL in SQL Server, if you try to explicitly use LEFT ANTI SEMI JOIN
in your query, you’ll probably get the following error:
This article presents 5 ways to return the milliseconds portion from a Date object in MongoDB.
Continue readingThis article presents 5 ways to return the seconds portion from a Date object in MongoDB.
Continue readingThis article presents 5 ways to return the minutes portion from a Date object in MongoDB.
Continue readingMongoDB provides a good range of aggregation pipeline operators for working with dates, including operators that extract certain parts of dates, such as the year, month, day, hours, minutes, etc.
There are also a couple of MongoDB methods that enable you to iterate through a cursor, and apply a JavaScript function. You can therefore use JavaScript to extract date values and date parts, etc from a field as required.
This article presents 5 ways to return the hour portion from a Date object in MongoDB.
Continue readingIn MongoDB, you can use the $push
operator to append a value to an array.
This operator can be used with various modifiers, one of which is the $position
modifier. The $position
modifier allows you to specify the position within the array that you want to insert the new value.
If you’ve ever queried the sysjobhistory
table in the msdb
database, you’ll probably know that the datetime and duration columns are stored as integers.
In particular, when you query this table, the run_date
, run_time
, and duration
columns are returned as integers, which can make it difficult to read.
Below is a query you can use to return this data in an easier to read format.
Continue readingMongoDB provides various options for extracting date parts from a date.
This article presents 3 ways to return the week portion from a date in MongoDB.
Continue reading