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Recent content by dhauer
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Pulling Random Records
You can also get a percentage of the records: sel * from emp sample .05; This will return 5% of the records from table emp. (if you have qualified records using where condition(s) the percent of records returned is based on total number of records meeting criteria).- dhauer
- Post #4
- Forum: NCR: Teradata
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insert into table in specific place
A case statement could be used to create a temp file for the expressed purpose of sorting. Select table1.field1, table1.field2, (CASE table1.field1 when '1' then '1' when '2' then '4' when '3' then '5' when '4' then '2' when '5' then '3' END) from table1 order by 3; -
sample exams in SQL (the language)
www.brainbench.com has a lot of test that allow you to be "certified" in different areas. There are many SQL test available (and they are free to take).
