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As a DBA, it is one of our responsibilities to exclude SQL Server issues, and many people each month bring us a variety of performance problems that we cannot explain.
I've heard many times that previous SQL Server performance issues were fine and within normal range, but now everything has changed,
SQL Server 2016 has a new feature called Row-level Security, which probably means the line version of the safety policy (originally I am an English slag _ (: З"∠) _)
Directly on the example. This function is rather to add a function to the table as a filtering rule, so that users with different conditions (or logins), and so on, can only get the data that meets
In your DBA profession, who have you ever worked with the DBCC inputbuffer command to get the last SQL statement that has been committed to a specific session of SQL Server? Raise your hand, please! Everyone has used it!We all know that DBCC commands are a little awkward because you can't call them in T-SQL queries, an
, Openjson can be used to combine relational and JSON data in the same query. If we assume the JSON array shown in the previous example are stored in the Orders column, the following query can com Bine the columns and JSON fields:SELECT Id, FirstName, LastName, number, Date, Customer, Quantity from person cross APPLY Openjson (ordersjson) WIT H (number varchar), Date datetime,
SQL Server 2016 really makes a person's eyes shine. A few days ago, Microsoft provided the RCO (Release Candidate) version of the download. I've been watching a lap RCo version, one of the most drag features is the database-scoped configuration (db Scoped Configuration), which I want to talk about in today's article. A
Tags: www color dex exe should see column query add Author Jonathan Allen, translator Sherry A new feature of SQL Server 2016 is the ability to add Columnstore Index (Columnstore Index) on memory-Optimized tables (Optimized table). To understand what this means, we should first interpret the term Columnstore index and memory-optimized table.A Columnstore index is
New features for SQL Server 2016: Columnstore indexes new features
A row store table can have an updatable Columnstore index, and the previously nonclustered Columnstore index is read-only.
Nonclustered Columnstore indexes support filter criteria.
In a memory-optimized table, you can have a Columnstore index that can be created when you create a
Tags: services database sof EPO PNG Manager Master icon app1. Download and install the FineReport9.0 and SQL Server 20162. Start-to-all applications-->microsoft SQL Server 2016-->sql
where this problem occurs:In general, the instance name is rarely misconfigured, but if it is a team project, usually everyone is running normally, but one day suddenly the code and the database moved to another computer to run, due to different computer SQL database version of the difference (there is an enterprise version of the study version) This problem may occur, And, of course, you have to change the instance name to something else when you i
Tags: logs database Firewall service failed ALT Server data nbsp--1 Installing SQL Server 2016--2 Installing. Net 3.5Because SQL Server 2016 installation does not prompt to force the in
Original: SQL Server 2016 row-level permission controlBackgroundIf we have key data stored in a table, such as the staff table contains employee, department and salary information. Only allow users to access information from their respective departments, but they cannot access other departments. Generally we are in the terminal implementation of this function, an
XThe PC is not installed MSSQL, previously need to link database write SQL, are in {VS->> view->>sql server Object Explorer} Direct link database for access operation ...But it's really inconvenient. It may also be a personal habit ...So, ready to install the MSSQL again today,XIn fact, all kinds of IDE, and so on, we all use more, install less, after all, instal
Label:(This article also published in my public number "dotnet daily Essence article", Welcome to the right QR code to pay attention to. )Preface: As big Data becomes a buzzword, the technology associated with big data is becoming more and more hot, including the R language. And it is said that SQL Server 2016 will have built-in R language support?The R language,
TSQL statements are not available in SQL Server 2014 and are now available on 2016:
Supports UNIQUE constraints and indexes
Support for foreign keys between memory-optimized tables
A foreign key can only refer to a primary key and cannot be created with a unique
Support for CHECK constraints
Non-unique indexes support
We all know that DBCC commands are a little awkward because you can't call them in a T-SQL query, and you can't relate their output to other DMV/DMF. For example, you want to return the last executed SQL statement for each user session ....
Sys.dm_exec_input_buffer
In SQL Server
The new ALTER Database SCOPED configuration (Transact-SQL) is used to configure the database-level configuration. This statement can configure the configuration of each database:
Cleanup process Cache
Set the MAXDOP parameter to configure primary and secondary
Set the evaluation mode for the query optimizer
Starting and shutting down database-level parameter sniffing
Start and close database-level query optimization patches
The boss told me about it before the holiday. 2016 There is an interesting function called temporal Table, today went to see a bit of information to tidy up a bit.This function looks like a temporary table, but is actually a history table of system maintenance. (It should be a little more convenient to some extent than our manual maintenance history table)Simply and directly, its interface looks like this (like a T1) after it is created, it is recorde
Installation Steps officialHttps://docs.microsoft.com/zh-cn/sql/linux/sql-server-linux-setup-ubuntuThe following commands are executed:1, Enter superuser mode.sudo su2, Import the public repository GPG keys:curl https://PACKAGES.MICROSOFT.COM/KEYS/MICROSOFT.ASC | Apt-key Add-3, Register the Microsoft SQL
, data has become an important resource and the development of new "energy", database technology has been applied to all walks of life and various aspects of the actual business data management. In the modern information society, all the business and application systems related to data information need the support of database technology. This course is a major public foundation course for computer majors, electronics, communications, electrical, management and business disciplines, and many inst
SQL server 2014 installation illustration tutorial (including SQL SERVER 2014 download), 2014sql
In January 1, 2015, at the beginning of the new year, we should have done something meaningful for the next year. As a result, old habits-before you go to bed, you must take a lo
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