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Author | James F. Koopmann |
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Unix comes to Oracle in the form of regular expressions to increase the power of searching.
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Author | LewisC |
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I'll start off by saying that I believe implicit conversion to be bad. Badder. Evil. A serious no-no!
Now, let me give a definition of both types of conversion and explain why I feel that way.
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Author | Scott Stephens |
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Annotation | By understanding the difference between IN, EXISTS, NOT IN, and NOT EXISTS, you can avoid a very common problem when NULLs appear in the data of a subquery. Scott Stephens helps you understand these differences. |