end odbctest.php -- Should a SQL statement contain an error, PHP will return a cryptic, incomprehensible warning message via the driver. In debugging, it has been helpful to echo out the offending ...

Read this SQL tutorial to learn when to use SELECT ... A simple SELECT statement is the most basic way to query multiple tables. You can call more than one table in the statement’s FROM clause ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way?

Effectively, those methods can become just thin wrappers around SQL queries. If you want to play with SQL Server’s JSON support (or the other big new feature in SQL Server 2016, temporal tables), you ...

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 ...