Q
Problem solve Get help with specific problems with your technologies, process and projects.

# The current anniversary year (part 1)

My database is SQL Server 2000. I am writing a SQL statement to find the number of Sick days taken for this year....

My issue is that the Anniversary date is the Hiredate. I just need to know the number of the days taken for this year.

Your problem took some effort to understand, but that's okay, because shorter questions are usually better than longer ones. Without going into all the possible scenarios that you might actually have meant, let's assume that:

1. the number of days taken refers to the number of sick days taken, which are recorded in a table somewhere, and since each employee can have multiple sick days, there must be multiple rows for each employee, perhaps like:

``` Sickdays emplID sickDate
```

so the query needs merely to count the number of rows by emplID for which the sickDate falls within the appropriate range of dates

2. this year refers to the employee's "anniversary year" which runs from the anniversary date in one calendar year, across the calendar year boundary into the next calendar year, up to the day before that year's anniversary date

The employee's current anniversary year must include today, the current date, but there are actually two possibilities, which are best understood with timeline diagrams.

The first possibility is that the current anniversary year started this year and extends into next year:

``` <----- this year -----> <----- next year -----> J F M A M J J A S O N D J F M A M J J A S O N D <---- "anniv year" ----> | today
```

The other possibility is that the current anniversary year started last year and extends into this year:

``` <----- last year -----> <----- this year -----> J F M A M J J A S O N D J F M A M J J A S O N D <---- "anniv year" ----> | today
```

At this point, you are probably starting to get concerned about how complex the SQL is going to be. We have the current calendar year, the last calendar year, the next calendar year, the employee's anniversary year, and the current date. Whew!

We know we have to count sick days within the current anniversary year, from the start of the anniversary year up to today, no matter which calendar year those days happen to be in. (Thank goodness we don't also have to count sick days within the anniversary year after the current date! Please email me if it isn't obvious why.)

Actually, now that we have completed our analysis, the problem is pretty easy. All we need is the date that the current anniversary year started.

Please see The current anniversary year (part 2).

This was last published in August 2004

## Content

Find more PRO+ content and other member only offers, here.

#### Have a question for an expert?

Get answers from a TechTarget expert on whatever's puzzling you.

You will be able to add details on the next page.

#### Start the conversation

Send me notifications when other members comment.

## SearchDataManagement

• ### Apache Hadoop 3.0 goes GA, adds hooks for cloud and GPUs

Is this the post-Hadoop era? Not in the eyes of Hadoop 3.0 backers, who see the latest update to the big data framework ...

• ### Expert: For BI, you must know the data integration process

Understanding the data integration process is central to self-service BI and data architecture design, consultant Rick Sherman ...

• ### Graph technology rivals take Amazon Neptune database in stride

Amazon's Neptune database may change the status quo in the graph technology world. But it could also introduce a wider base of ...

• ### Predictive analytics projects can bolster business decisions

Blind faith in predictive models can result in flawed business decisions. Analytics teams need to manage predictive processes ...

• ### How predictive analytics techniques and processes work

Predictive analytics is no longer confined to data scientists and other highly skilled analysts. But other users need to ...

• ### Hyper engine aims to give enterprise Tableau analytics a boost

The Hyper in-memory data engine added in Tableau 10.5 could make Tableau analytics capabilities more expansive, enabling the ...

## SearchSAP

• ### SAP S/4HANA Cloud and indirect access will dominate 2018

Industry experts say SAP S/4HANA Cloud migrations, Leonardo and Cloud Platform are the technology issues for SAP in 2018; on the ...

When a Dutch energy grid provider needed to develop new business apps on top of SAP ERP, it turned to the Mendix RAD platform to ...

• ### SAP's Timo Elliott on enterprise chatbot AI technology

The SAP global innovation evangelist expects AI to affect businesses in three ways: human-computer interaction, automation of ...

## SearchSQLServer

• ### Meltdown and Spectre fixes eyed for SQL Server performance issues

Microsoft has responded to the Spectre and Meltdown chip vulnerabilities with patches and other fixes. But IT teams need to sort ...

• ### Five SQL Server maintenance steps you should take -- ASAP

Putting off SQL Server administration tasks can lead to database problems. Enact these often-neglected maintenance items to help ...

• ### Microsoft Cosmos DB takes Azure databases to a higher level

Azure Cosmos DB brings a new element to the database lineup of Microsoft's cloud platform, offering multiple data models and a ...

## TheServerSide.com

• ### Spring creator Rod Johnson releases API for implementing DevOps

Find out about Rod Johnson's latest project, which promises to simplify the process of implementing DevOps and streamlining the ...

• ### What Java developers need to know about TypeScript syntax

For Java developers transitioning into JavaScript frameworks, like React and Angular, this TypeScript tutorial on syntax will ...

• ### AWS Cloud9 IDE threatens Microsoft developer base

With its Cloud9 IDE, AWS challenges Microsoft where it matters most -- with the developer community, where Microsoft has ...

## SearchDataCenter

• ### Three requirements for a hybrid cloud computing deployment

As the hybrid cloud computing approach gains steam, organizations will need to pay close attention to cross-cloud connectivity ...

• ### Five debunked myths about SSD issues

Solid-state drives are mature now, and the technology has eclipsed hard disk drives with superior performance, manageability and ...

• ### Future data center trends hinge on the edge, cloud and staffing

Edge computing, colocation, cloud and IT staffing issues lead the way as industry analysts make their predictions for the future ...

## SearchContentManagement

• ### Intelligent information management the next wave for ECM

In a 2018 upgrade, M-Files allows users to search for content in multiple repositories, while also being able to automatically ...

• ### SharePoint integration and implementation best practices

Here are some expert advice and tips, as well common definitions, to help make your SharePoint integration and implementation a ...

• ### SharePoint branding capabilities get a facelift

Since Microsoft Ignite last September, SharePoint Online is getting new branding capabilities that have been on the wish lists of...

## SearchFinancialApplications

• ### Finance IT case study: Reporting secrets of Derek Rose

CEO Sacha Rose says specialist reporting tools have saved the company thousands by avoiding unnecessary mistakes.

• ### WestJet turns to gamification to help its Oracle ERP users soar

WestJet's initial gamification project focuses on expense reporting.

• ### The Transformation of HR is Underway

HR is being transformed while we watch.

Close