SQL Server Central. Microsoft SQL Server tutorials, training forum. Many undergraduates have misunderstood the name Students in the t test to imply that it was designed as a simple test suitable for students. In fact it was William Sealy Gosset, an Englishman publishing under the pseudonym Student, who developed the t test and t distribution in 1. As Gossets employer was Guinness, the brewer, Phil Factor takes a sober view of calculating it in SQL. ToadDB2V45/RelNotesImages4.5/Editor_DB2_SQLTunZOS_trig.png' alt='Db2 Sql Update Limit Rows In Sql' title='Db2 Sql Update Limit Rows In Sql' />SQLDatabases Retrieving unique rows without DISTINCTRetrieve unique rows without DISTINCTemployeeemployeenameemployeelocation Joe New York Sunil India Alex Russia Albert Canada Jack New York Alex Russia We can actually accomplish this with the GROUP BY keyword. Heres what the SQL would look like. Rar File For Windows 8. SELECT employeelocation from employee. Mcgraw Hill Ryerson Chemistry 11 Pdf'>Mcgraw Hill Ryerson Chemistry 11 Pdf. RefMan/cwfdr10a/fdrxtrct/fdrxtrct00059.png' alt='Db2 Sql Update Limit Rows In Sql' title='Db2 Sql Update Limit Rows In Sql' />SQLCA. The SQL communications area SQLCA structure is used within the DB2 program to return error information to the application program. This information in the. SQLines provides tools and services to help you transfer data, convert database schema DDL, views, stored procedures, functions, triggers, queries and SQL scripts. GROUP BY employeelocation. Running this query will return the following results employeelocation. New York. India. Russia Canada So, you can see that the duplicate values for Russia and Canada are not returned in the results. This is a valid alternative to using the DISTINCT keyword. If you need a refresher on the GROUP BY clause, then check out this question Group By and Having. This question would probably be asked just to see how good you are with coming up with alternative options for SQL queries. Although, it probably doesnt prove much about your SQL skills.