The codes may be reduced. you don't need destString and you should get length as a stopper of while loop. Be carefully coding in C, don't let memory leak.
After switched a data file from using logical file to index, the sql process got tremendously slowed down ( the file has millions records). Why and how can I fix it?
I used to use the exists clause in my embedded sql statement and it was always working fine. But my process is suddenly chocked and I found out the problem was exists clause, if I changed the exists clause to in clause, the process would be resumed. Any idea? Please help and thanks in advance
I used to use the exists clause in my embedded sql statement and it was always working fine. But my process is suddenly chocked and I found out the problem was exists clause, if I changed the exists clause to in clause, the process would be resumed. Any idea? Please help and thanks in advance
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