224
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SELECT `�ã�`, SUBSTRING(`�ã�` FROM 1 FOR 5) FROM `�ԣ�`;
225
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SELECT `�ã�`, SUBSTRING(`�ã�` FROM 1 FOR 6) FROM `�ԣ�`;
228
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SELECT `�ã�`, SUBSTRING(`�ã�`,0) FROM `�ԣ�`;
229
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SELECT `�ã�`, SUBSTRING(`�ã�`,1) FROM `�ԣ�`;
230
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SELECT `�ã�`, SUBSTRING(`�ã�`,2) FROM `�ԣ�`;