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.

If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL ...

Put the query in a new query window in SQL Server Management Studio. Looking at the AdventureWords2012 database (available for download from CodePlex), review the uspGetEmployeeManagers stored ...

In most implementations of SQL, you pull information from two tables by using a SELECT command in this form: SELECT table1.column1, table1.column2, table2.column1, table2.column2 ...

SQL Basics I: Data Queries—covers database terminology and the four basic query types. SQL Basics: SELECT statement options —covers the SELECT statement in detail and explains aggregate functions.

2. Author SQL statements & clauses Once you understand the structure and building blocks of a database, it’s time to learn to extract the information you need using SQL queries. You’ll study a ...

Apache Phoenix: Its developers call it a “SQL skin for HBase” — a way to query HBase with SQL-like commands via an embeddable JDBC driver built for high performance and read/write operations.