In this article, we will review SQL Server MERGE statement, alternatives to MERGE statement, different clauses and examples of MERGE statement in SQL Server.Read more »
SQL Server 2012 introduced a new built-in logical function SQL IIF. It is a shorthand form of writing CASE statement logic or IF-ELSE logic.Read more »
We extract data from SQL Server tables along with various conditions. Usually, we have data in large amounts and SQL Between operator helps to extract a specific range of data from this huge data. For example, suppose we want to know the product sales between Jan 2019 to May 2019. In this case, we can use this operator in a SQL query.Read more »
This article explores the SQL Not Equal comparison operator (<>) along with its usage scenarios.Read more »
This article explores the Identity function in SQL Server with examples and differences between these functions.Read more »
SQLSELECT statements are used to retrieve data from the database and also, they populate the result of the query into the result-sets. The SQL examples of this article discourse and explain the fundamental usage of the SELECT statement in the queries.
This article explores the useful function SQL IF statement in SQL Server.
This article explores SQL Server Concatenate operations using the SQL Plus (+) operator and SQL CONCAT function.Read more »
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.
This article explores the SQL ISNULL function to replace NULL values in expressions or table records with examples.
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 »
This article explores the DATEADD SQL function and its usage scenarios with various examples.
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 »
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.
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 »
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 »
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 »
This article covers the SQL INSERT INTO SELECT statement along with its syntax, examples and use cases.Read more »
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 »
This article will cover the SQL ORDER BY clause including syntax, usage scenarios to sort out results in a Select statement.Read more »
This article will cover the SQL SELECT INTO statement including syntax, parameters and use with multiple tables, filegroups and a WHERE conditionRead more »
In this article, we will explore various SQL Convert Date formats to use in writing SQL queries.Read more »
In this article, we will discuss and learn basics and all details about SQL Server data type converting operations and also we will review the SQL CONVERT and TRY_CONVERT built-in functions with various samples. At first, we will explain and clarify syntax of the SQL CONVERT function and then we will learn how can we make data converting process numerical and date/time data types to character data.Read more »
In this article, you’ll learn the tips for getting started using SQL string functions for data munging with SQL Server. In many cases, Machine learning outcomes are only as good as the data they’re built on – but the work of preparing data for analytics (that is, data wrangling) can eat up as much as 80% of your project efforts.Read more »