Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.

SQL SELECT statement The SELECT statement tells the query optimizer what data to return, what tables to look in, what relations to follow, and what order to impose on the returned data.

Hi I need some help with a select statement in MS SQL. I have a table that need to check if there duplicate items there. The problem is that each items is based off of 4 fields in the table. Here ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

I hope this is the right place for this type of question. I apologize for the question length but to try and be complete I'll include a bit of background.I am currently working on a project ...

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...

The EXECUTE statement sends dynamic, non-query DBMS-specific SQL statements to the DBMS. The CONNECTION TO component in the FROM clause of a PROC SQL SELECT statement retrieves data directly from a ...

specifies a dynamic, DBMS-specific SQL statement that does not select data. This argument is required and must be enclosed in parentheses. The statement is case sensitive and is passed to the DBMS ...

Even if generative AI hides SQL behind the curtain, it will continue to play a critical role in how we interact with and use data.