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SQL Server blogs from Wise Owl (page 1 of 9)
Showing blogs 1-20 (out of 167)
You can now use AT TIME ZONE to access different time zones in SQL
Posted by Andy Brown on 25 November 2019
If you're working with different time zones, the AT TIME ZONE keywords introduced in SQL Server 2016 will make your life much easier - this blog explains how they work.
A comparison of SQL Server Reporting Services and Power BI
Posted by Andy Brown on 18 October 2019
Power BI improves with each monthly update. Will it reach a point where SSRS (SQL Server Reporting Services) becomes redundant? This detailed blog compares the two products, and considers the future of SSRS.
Introducing three new functions in SQL to make concatenating text easier
Posted by Andy Brown on 20 September 2019
The CONCAT function makes it much easier to join columns together, while the STRING_AGG and CONCAT_WS functions make it easier to create things like comma-delimited lists.
Congratulations to Shaun Rowark for his suggestion for a new acronym for SFWGHO!
Posted by Andy Brown on 14 August 2019
We're always on the look-out for a new acronym for the order of SQL commands, and are pleased to award a gift voucher to another worthy winner of our competition.
A table-valued function in SQL to split a comma-delimited list
Posted by Andy Brown on 11 June 2019
If you're creating Reporting Services reports using multivalue parameters and stored procedures, you'll find this function to split a list of values into a single-table column useful.
Wise Owl have found one SQL structure which slows down code more than any other
Posted by Andy Brown on 13 May 2019
If your stored procedures or SQL queries are running slowly, don't bother looking at correlated subqueries, cursors, functions or any of the other usual culprits. There's one SQL syntax which Wise Owl have found to be an order of magnitude worse than any other, as this blog shows.
Changes that BI developers can expect from SQL Server 2019
Posted by Andy Brown on 08 May 2019
SQL Server 2019 is not out yet (it's scheduled for release in the second half of 2019), but this blog shows what changes you can expect to see.
Mapping stored procedure parameters to SSRS parameters
Posted by Andy Brown on 02 May 2019
This blog explains why you might want to use the PARAMETERS tab in the Dataset Properties dialog box in SSRS.
A new acronym for the order of SQL keywords
Posted by Andy Brown on 29 March 2019
Someone has finally won our competition to think of a better acronym for the order of keywords in SQL, we're pleased to announce.
A way to get 32-bit and 64-bit drivers to co-exist on the same computer
Posted by Andy Brown on 21 September 2018
A (very) short blog containing a link to an article showing how you can import data from Access using SSAS or SSIS on a 64-bit computer
Five methods for creating partitions of SSAS Tabular tables programmatically
Posted by Andy Brown on 23 July 2018
Need to generate a partition for a fact table for each year, product or region? This blog gives five approaches, so that you can choose which method is for you.
Using partitions/processing to load a large fact table into a tabular data model
Posted by Andy Brown on 23 July 2018
This blog shows how you can load the empty structure of a large fact table into an Analysis Services tabular data model, then use partitions to bring in the data bit by bit.
Using MERGE and MATCHED in SQL
Posted by Sam Lowrie on 21 June 2018
Learn how to MERGE rows from two tables into one combined table, and how to remove unwanted data from both tables.
Resolving a problem with SSRS and a Windows 10 update
Posted by David Wakefield on 18 June 2018
After installing Windows 10 our laptops started returning a 503 error in Web Portal - this blog shows how to resolve this.
How to get rid of lots of blank rows in a Report Builder table
Posted by Andy Brown on 16 February 2018
There seems to be an occasional bug in Report Builder which fills a table with blank rows. Here's one owl's way to get round it.
Which should you learn: Report Builder or Reporting Services?
Posted by Andy Brown on 16 February 2018
Report Builder and SQL Server Reporting Services are almost identical - which makes the small but important differences even harder to explain.
Did you know there was an IIF function in SQL to test conditions? We didn't!
Posted by Andy Brown on 16 February 2018
You can use the IIF function in SQL as an alternative to the CASE WHEN statement. We thought we would share this new (for us) discovery with the world!
What's new in SQL Server 2017? For SSAS Tabular, lots, it transpires.
Posted by Andy Brown on 23 January 2018
This blog summarises the main new features of SQL Server for non-administrators (that is, most of us). Most parts of SQL Server get minor changes at best, but SSAS Tabular 2017 gets a host of major improvements.
Create your own snippets of SQL code, and insert them into your queries
Posted by Andy Brown on 23 November 2017
With SQL Server 2012 came the power not just to use pre-defined code snippets, but also to create your own - this blog explains how.
This blog shows a clever way to annotate expression constraints in SSIS
Posted by Andy Brown on 27 April 2017
If you've added an expression constraint to control flow in a package in Integration Services, this blog will show you how to display what the constraint does automatically.