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TSQL Challenge 21 – Reading, recognizing and processing graphical representation of digits. – TSQL Challenges

Here is a challenge that takes you away from those repetitive boring type of queries that you write over and over again, several times a day. All of us, the database people, are familiar with thinking in set based manner as well as row by row style. Here is something that is very interesting where […]

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MySQL :: MySQL 5.0 Reference Manual :: 16.4.1 Replication Features and Issues

mysqld –verbose –help To see the values that a server will use based on its compiled-in defaults, ignoring the settings in any option files, use this command: mysqld –no-defaults –verbose –help To see the current values used by a running server, use the SHOW VARIABLES statement. This section provides a description of each system variable. […]

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C++ Programming: Static Code Analysis and the New Language Standard C++0x – CodeGuru

This function cannot work on a 64-bit system with large arrays. If the variable arraySize has a value more than UINT_MAX, the condition “i < arraySize” will never be fulfilled and an eternal loop will occur.bool IsPresent(char *array, size_t arraySize, char key) { for (unsigned i = 0; i < arraySize; i++) if (array[i] == […]

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What kind of DBA are you? Oracle Software Downloads

When I was a college professor I used to tell my students that “there are no stupid questions”, but that was 25 years ago, back when entry into the computer room was closely guarded.  Back then, Geekdom had “barriers to entry“, and only those people who had studied for years could gain entry into the […]