To illustrate how database queries work in data warehousing and analytics, here are some examples of SQL queries that you can use for each step of the process. Extraction: SELECT * FROM sales ...

Learn six best practices for writing SQL queries that can run on any SQL version or platform. Avoid errors, ... Some examples of ANSI SQL standards are using single quotes for string literals, ...

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and ...

SQL (Structured Query Language) has been with us for more than half a century and it’s not going away anytime soon. Popular in both traditional relational databases and newer NoSQL databases ...

What is a Query? A query is a request that is asked in a formal manner. For example, relational databases require the use of a formal structured query language (SQL) to retrieve, modify, or manipulate ...

Ok, I'm trying to write a query in a stored procedure in SQL Server 2000. Because some of the parts of the query vary based on certain situations I construct a string that contains the query and ...

As an example, SQL was the first programming language to return multiple rows per single request. This makes it easier to get data on what is taking place within a set of data—and consequently ...

The program turns the visual query into the command language, such as SQL, ... Query By Example (QBE) This query selects all Pennsylvania records that have a balance due of $5000 or more.