From AS/400 to iSeries to System i to IBM i on Power
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Using SQL in RPGLE programs is easier than you think. Making the move from RPG native file IO to SQL database IO is really quite straightforward: Changing from good old READE loops to SQL FOR Loops simply means using the SQL CURSOR function. SQL has a groovy way of referring to what the stuff that …
RUNSQLSTM – Run SQL Statement When you do the RUNSQLSTM to create your SQL Objects – Do not qualify library names but use the Turnover variables just like you would define PDM variables: Turnover uses the DFTRDBCOL column “&LI” to populate the other *library* variables. Most shops I’ve been to use QSQLSRC to store the …
Is SQL faster than CPYF Native IO? For the longest time I’ve heard about the performance difference between a true SQL INDEX and a DDS ACCESS PATH generated index on the IBM i operating system (or ‘OS400’ which was a ten year old, but very commonly used version of the the same OS). But is …