I\'d like to write a single SQL script that will run on a default installation of either MySQL or PostgreSQL (versions 5.5 and 9.0, respectively). Is this possible?
Lately I asked the question How can I use PIVOT to show simultaneous average and count in its cells?
I have a table with the following table. ---------------------------------- HourLocationStock ----------------------------------
We are developing ETL jobs and our consultant has been using \"old style\" SQL when joining tables select a.attr1, b.attr1
I\'ve been searching for half an hour and can\'t find any resources stating what level of the SQL ANSI standard is supported on various database engines.
In a certain app I开发者_如何学Python must constantly query data that are likely to be amongst the last inserted rows. Since this table is going to grow a lot, I wonder if theres a standard way of opt
The act of transforming procedural code into SQL has been of interest to me lately. I know that not absolutely everything is expressable in a turing complete procedural language.
Is there an ANSI SQL equivalent to Oracle\'s DECODE function? Ora开发者_开发技巧cle\'s decode function is the IF-THEN-ELSE construct in SQL.A CASE expression is the ANSI SQL method, of which there ar
I have a simple query and am wondering if it could be more elegantly coded. The final solution has to be ansi-compliant.
What开发者_开发百科\'s the difference between these two queries?I\'ve been resistant to jumping on the ANSI-syntax bandwagon because I have not been able to unravel various syntactical ambiguities.
加载中,请稍侯......