concurrent object allocation threads. This improvement changes the way that concurrency is managed with PFS updates so that they can be updated under a shared latch, rather than an exclusive latch. This behavior is on by default in all databases (includingtempdb) starting with SQL Server 2019 (...
A database thus created uses the default MySQL Server database properties (such as those as determined by character_set_database and collation_database) that are in effect on this SQL node at the time the statement is executed. NDB metadata change detection and synchronization. NDB 8.0 ...
Is one better than the other? Aging Report SQL Query Alias all columns in a given table Alias column with variable value in SQL Script All MonthNames and Month numbers in sql server All queries combined using a UNION, INTERSECT or EXCEPT operator must have an equal number of expressions ...
As part of the schema synchronization procedure performed when starting, an SQL node now compares all databases on the cluster's data nodes with those in its own data dictionary, and if any of these is found to be missing from the SQL node's data dictionary, the SQL Node installs it loc...
A long term strategy for Play is to remove Play’s dependence on global state. Play currently stores a reference to the current application in a static variable, and then uses this variable in many places throughout its codebase. Removing this has the following advantages:...
is worse than performance of full-blown types. NVARCHAR is not a plain text as someone would assume – it is probably the most optimized non-scalar type in SQL Server. JSON leverages simplicity of NVARCHAR and this might be one of the biggest strengths and not weaknesses. In this post, ...
Hi Team,we want failed attempt with in 5m duration but query is stopped for last line. Please correct me.let threshold=1;let authenticationWindow =...
Collation is one of those settings in SQL Server that most of the developers would rather avoid understanding and just go with the defaults. At some point during the production life of an application, collations may decide to “strike back” causing unpredictable errors and frustration. This blog...
SQL Server 2017 introduced batch mode memory grant feedback, which isdescribed in detail here. Essentially, for any memory grant involved with a plan involving batch mode operators, SQL Server will evaluate the memory used by the query, and compare it to the memory requested. If the memory re...
In terms of content, a data cartridge can accommodate either scalar data or complex and multimedia forms of data. Scalar data is data that can be modeled using native SQL types such as INTEGER, NUMBER, or CHAR. Complex forms of data include time series, matrixes, temperature and magnetic ...