What’s your average success rate of getting a SQL statement right on the first try? In best case, you botched a simple statement without side effects and just have to try again with correct syntax or ...

Statement level is the lowest level of granularity to fail or succeed upon. If you have in your example 100 records in table A to update based upon some logic (e.g. from another table, from a custom ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Well, if you happen to be using Sql Server you can do that sort of thing in T-Sql. In Oracle, you can also accomplish the same thing using pl/sql. Either way i'd do it in a stored ...

The problems with PreparedStatement stem from its syntax for parameters. Parameters are anonymous and accessed by index as in the following: PreparedStatement p = con.prepareStatement("select * from ...

SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of. SQL Server 2016 provides ...

In my last column, I introduced SQLite, an amazing little database engine written and provided entirely in C source code. I showed you how to begin wrapping it up in modern C++, producing a correct ...