PinnedCumaali CelikMastering Substring Method in SQLHello SQL learners! Today, I’m excited to introduce you to a fundamental string manipulation function in SQL: the 'SUBSTRING()‘ method…Jul 25, 2023Jul 25, 2023
Cumaali CelikROLLUP in SQL: A Practical Guide with Real-Life ExamplesWhen working with SQL, summarizing data at multiple levels is often necessary, especially when dealing with complex reports or detailed…Aug 28Aug 28
Cumaali CelikSQL User-Defined Functions (UDFs)-2In the latest article, we have mentioned some UDFs in SQL. Now we will be examining different usages and examples of them.Mar 24Mar 24
Cumaali CelikSQL User-Defined Functions (UDFs)-1User-Defined Functions (UDFs) in SQL Server enable developers to encapsulate custom logic for reuse within SQL queries. Let’s start by…Feb 18Feb 18
Cumaali CelikSQL String FunctionsStructured Query Language (SQL) offers a rich set of string functions that empower database professionals to manipulate and analyze text…Dec 17, 2023Dec 17, 2023
Cumaali CelikHandling with NULL Values in SQLIn SQL, efficiently handling NULL values is a critical aspect of database query construction. This guide delves into the ISNULL() and…Nov 26, 2023Nov 26, 2023
Cumaali CelikExploring SQL Date FunctionsDates and timestamps form the backbone of database management, seamlessly integrating into a multitude of business contexts. SQL, renowned…Sep 28, 2023Sep 28, 2023
Cumaali Celik🔍 Unraveling Data Patterns with SQL WHERE Clauses: Filtering InsightsIn the world of databases, data can be vast and overwhelming. The WHERE clause in SQL helps us filter and extract precisely the…Aug 21, 2023Aug 21, 2023
Cumaali CelikCommen Aggregate Functions in SQLAggregate functions in SQL are specially designed functions that perform calculations on a set of values and return a single value. These…Aug 8, 2023Aug 8, 2023
Cumaali CelikUniting Data with SQL JoinsThe Basics of SQL Joins: SQL joins work by matching data from one table to another based on a common column. For example, if both tables…Aug 2, 2023Aug 2, 2023