Creating a SQL Server Database using DBATools May 23, 2019 by Rajendra Gupta DBATools is an open source PowerShell module with useful commands to do the administrative task in SQL Server. In my earlier articles on DBATools (see TOC at the bottom) we explored installation and performing database backups, restoration, and validation with DBATools. Read more »
SQL IF Statement introduction and overview May 20, 2019 by Rajendra Gupta This article explores the useful function SQL IF statement in SQL Server.
SQL Notebooks introduction and overview May 20, 2019 by Rajendra Gupta This article explains the SQL Notebook feature in Azure Data Studio along with the Markdown language to customize it. Read more »
SQL Server CONCATENATE Operations with SQL Plus (+) and SQL CONCAT functions May 13, 2019 by Rajendra Gupta This article explores SQL Server Concatenate operations using the SQL Plus (+) operator and SQL CONCAT function. Read more »
SQL Server Always On Listeners May 13, 2019 by Rajendra Gupta This article on SQL Server Always On Listeners includes an overview and various connection configurations for specifying MultiSubnetFailover including SSMS, ODBC, ADO.NET, as well as MultiSubnetFailover limitations and how to connect to all IP addresses via RegisterAllProvidersIP. Read more »
SQL Server Always ON Availability Group Log Backup on Secondary Replicas May 10, 2019 by Rajendra Gupta In a high OLTP environment, we may observe strain on CPU and IO due to frequent backups. It might include further complexity due to backup compressions. SQL Server Always On Availability groups provides the capability to perform database backups from the secondary replicas. This article explores Log backups in SQL Server Always On Availability Group.
SQL ISNULL function May 10, 2019 by Rajendra Gupta This article explores the SQL ISNULL function to replace NULL values in expressions or table records with examples.
SQL Server Always On Availability Group Data Resynchronization May 9, 2019 by Rajendra Gupta In my previous article Data Synchronization in SQL Server Always On Availability Group, we described a scenario where if a secondary replica goes down in synchronous data commit mode, SQL Server Always on Availability group changes to asynchronous data commit mode. It ensures that users can get their transaction commit irrespective of waiting for a secondary replica to come online. Read more »
SQL CHARINDEX May 9, 2019 by Rajendra Gupta We use the SQL CHARINDEX function to find the position of a substring or expression in a given string. We might have a character in different positions of a string. SQL CHARINDEX returns the first position and ignores the rest of matching character positions in a string. Read more »
Data Sampling with Python SQL Scripts May 9, 2019 by Rajendra Gupta Introduction The Python programming language is object oriented, easy to use and, widely used programming language. We can write simple Python SQL Scripts and it performs the task that is not easy to do with t-SQL.
DATEADD SQL function introduction and overview May 6, 2019 by Rajendra Gupta This article explores the DATEADD SQL function and its usage scenarios with various examples.
Data synchronization in SQL Server Always On Availability Groups May 3, 2019 by Rajendra Gupta This article describes the data synchronization process on SQL Server Always On Availability Groups in both Synchronous, and Asynchronous data commit mode. Read more »
Fix Orphan users in SQL Server using DBATools PowerShell April 30, 2019 by Rajendra Gupta This article gives an overview of Orphan users and fixing them using DBATools PowerShell. Read more »
SQL TRIM Function April 24, 2019 by Rajendra Gupta In this article, we will review the new SQL TRIM function in SQL Server 2017 onwards as well as providing some information on strings functions that pre-date it like LTRIM AND RTRIM. Read more »
DATEPART SQL function April 23, 2019 by Rajendra Gupta This article explores the DATEPART SQL function and its use in writing t-SQL queries. In the previous article, SQL Convert Date Functions and Formats, we explored various data formats and convert them using SQL Convert function.
SQL Add Column operations April 22, 2019 by Rajendra Gupta This article explains the SQL add column operation into an existing SQL table. We will also explore different examples of SQL add column operations. Read more »
SQL Union vs Union All in SQL Server April 18, 2019 by Rajendra Gupta This article explains to the SQL Union and vs Union All operators in SQL Server. We will also explore the difference between these two operators along with various use cases. Read more »
SQL OUTER JOIN Overview and Examples April 16, 2019 by Rajendra Gupta This article will provide a full overview, with examples of the SQL Outer join, including the full, right and left outer join as well as cover the union between SQL left and right outer joins. Read more »
SQL Code Snippets in Azure Data Studio April 16, 2019 by Rajendra Gupta This article will fully cover the code snippet SQL developer productivity feature in Azure Data Studio including a list of available snippets and examples of how to create custom code snippets Read more »
SQL INSERT INTO SELECT Statement Overview and Examples April 12, 2019 by Rajendra Gupta This article covers the SQL INSERT INTO SELECT statement along with its syntax, examples and use cases. Read more »
SQL PARTITION BY Clause Overview April 9, 2019 by Rajendra Gupta This article will cover the SQL PARTITION BY clause and, in particular, the difference with GROUP BY in a select statement. We will also explore various use case of SQL PARTITION BY. Read more »
SQL Order by Clause overview and examples April 9, 2019 by Rajendra Gupta This article will cover the SQL ORDER BY clause including syntax, usage scenarios to sort out results in a Select statement. Read more »
Validate backups with SQL restore database operations using DBATools April 8, 2019 by Rajendra Gupta In this article, we will explore database backup validation by with SQL restore database operations using DBATools. Read more »
SQL SELECT INTO Statement April 5, 2019 by Rajendra Gupta This article will cover the SQL SELECT INTO statement including syntax, parameters and use with multiple tables, filegroups and a WHERE condition Read more »
SQL Convert Date Functions and Formats April 3, 2019 by Rajendra Gupta In this article, we will explore various SQL Convert Date formats to use in writing SQL queries. Read more »
