4 lines
		
	
	
		
			122 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			4 lines
		
	
	
		
			122 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
drop table if exists t1;
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create table t1(a int primary key, b int primary key);
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ERROR 42000: Multiple primary key defined
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