we’ll pick up where we left off with some additional functions and clauses you can use with the basic SELECT data query. SELECT options refine results As we saw in the last article, the SQL ...

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 ...

Basic SQL queries have a fairly simple structure. For example, a call to search for a particular order might look like SELECT * FROM orders WHERE orderid=1234 // first, pull the order ID from the ...

The four are significant SQL query systems for Hadoop ... Some data-insertion functions are supported, but they’re still very basic: You can’t perform updates, only inserts.

Such is the case with SQL queries. They seem so innocent, and so useful. But dangers lurk within every space-separated keyword. Consider a basic query crafted using ordinary C# string concatenation: / ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...