Get Previous Monday & Sunday's Date with SQL - Today's Date Calculation
If you are working with dates in SQL, you may need to…
SQL
Optimize SQL-Server: Logging and Finding Costly Queries
Introduction When it comes to optimizing SQL-Server performance, logging and finding costly…
SQL: Using COUNT and GROUP BY in One Select Statement - Step-by-Step Guide
Introduction In SQL, it's common to use the COUNT function to count…
Using Multiple Conditions in SQL's LIKE Operator: Tips & Tricks
The LIKE operator in SQL is a powerful tool for searching for…
SQL 'Where' Clause Condition Execution Order: Understanding Query Logic
When it comes to executing a SQL query, the order in which…
Condition in Count() - SQL Query Optimization
When it comes to optimizing SQL queries, it's important to pay attention…
Retrieve Max Value Rows for Distinct Column Values
When working with databases, it's common to need to retrieve the maximum…
SQL query: Convert string to int easily with these steps
Introduction When working with SQL databases, it is common to encounter situations…
Removing Time from DateTime in SQL: A Simple Guide
If you're working with Datetime values in SQL, you might encounter situations…
Replace NULL Values in SQL Query with Previous Known Value
Introduction Dealing with NULL values in SQL queries can be a tricky…
Join Tables in SQL Server 2008: Combining Two Tables with Select
Joining tables in SQL Server 2008 is a common practice for combining…
Generate Temporary Table of Dates in SQL Server 2000
If you need to generate a temporary table of dates in SQL…
Joining Tables in SQL: Returning Only Non-Matching Rows
When working with SQL, joining tables is a common task. However, sometimes…
Truncate All Tables in SQL Server Using TSQL - Step by Step Guide
Introduction Truncating all tables in SQL Server can be a useful operation…
Fixing 'Only one expression can be specified' SQL error with EXISTS subquery
If you've encountered the 'Only one expression can be specified' SQL error…
Efficient SQL Server method to extract date from date+time
If you're working with date and time data in SQL Server, you…
Default Insertion of Null/Empty Values in SQL Datetime Column
When inserting data into a SQL datetime column, it is important to…
Select All Columns with ROWNUM: SQL Query Tips
When working with SQL queries, it's important to know how to select…
Master ROW_NUMBER() in SQL: Step-by-Step Guide
If you're looking to master the ROW_NUMBER() function in SQL, you've come…
Concatenating Columns in Postgres SELECT: SQL Tips
When working with Postgres SQL, there may be times when you need…
Count(*) vs Count(1) in SQL Server - Which is more efficient?
When it comes to counting the number of rows returned by a…
Retrieve rows with maximum date in SQL Server
When working with SQL Server, it's common to need to retrieve rows…
Retrieve Nth Highest Salary with SQL Query - Step-by-Step Guide
Retrieving the Nth highest salary in a database table is a common…
Temporarily Disable Foreign Key Constraints in SQL Server with T-SQL
When working with SQL Server, there may be situations where you need…