Making the use of the index keywords also automatically implies that the UNIQUE constraint is applied internally on that particular column so that all the rows of the table contain a different unique value in that column which helps in indexing and accessing individual-specific rows. Here, we don...
A clustered index reorders the way records are stored. A non clustered index is in which the logical order of the index does not match the physical stored order of the rows on disk... Sql server - What is Unique Index? Unique index is the index that is applied to any column of uniq...
In this infographic find out what is the main difference between a clustered index and a non-clustered index and how they help you in your SQL query searches. Learn More at →Start a FREE Trial of SQL Diagnostic Manager Contact IDERA: Contact Sales Products...
Let’s look at another GUID function available in SQL Server – NEWSEQUENTIALID. This function creates a GUID that is greater than any GUID previously created by this function on the same machine since Windows started. This mechanism of generating continuously higher values is a great fit when GU...
SQL Server 2019 Analysis Services GA (Generally Available) Tabular model compatibility level This release introduces the 1500 compatibility level for tabular models. Query interleaving Query interleaving is a tabular mode system configuration that can improve user query response times in high-concurr...
This behavior is on by default in all databases (including tempdb) starting with SQL Server 2019 (15.x). Scheduler worker migration Worker migration allows an idle scheduler to migrate a worker from the runnable queue of another scheduler on the same NUMA node and immediately resume the task ...
I should first address the definition of NoSQL. It’s become a bit of a ubiquitous and possibly overused term. The term is used to encompass data storage mechanisms that aren’t relational and therefore don’t require using SQL for accessing their data. In his blog post, “Addressing the ...
Storage Optimized tiers (L1 and L2) also have more capacity. L1 and L2 customers must create a new service to benefit from the higher capacity. There's no in-place upgrade at this time. Extra capacity is now available inmore regions: Germany North, Germany West Central, South Afric...
JQL is not a database query language, even though it uses SQL-like syntax. In advanced search, you can use queries to find your issues. Queries are a series of elements or parts, like fields, operators, and values, that are strung together to form a structure. Learn more about construct...
'An operation was attempted on a nonexistent network connection' error 'bootstrap' is not a valid script name. The name must end in '.js'. 'Cannot implicitly convert 'System.TimeSpan' to 'System.DateTime' 'DayOfWeek' is not supported in LINQ to Entities.. 'get' is not recognized as ...