大约有 6,100 项符合查询结果(耗时:0.0223秒) [XML]
Querying data by joining two tables in two database on different servers
					There are two tables in two different databases on different servers, I need to join them so as to make few queries. What options do I have? What should I do?
                    
                    
                        
                            
                                
    ...				
				
				
							What is causing ERROR: there is no unique constraint matching given keys for referenced table?
					Below example table structure gives an ERROR: there is no unique constraint matching given keys for referenced table, and having stared at it for while now I can't figure out why this error arises in this situation. 
                    
                    
                        
          ...				
				
				
							mysql -> insert into tbl (select from another table) and some default values [duplicate]
					As the title says, I am trying to insert into one table selecting values from another table and some default values. 
                    
                    
                        
                            
                                
                                        5 Ans...				
				
				
							Are soft deletes a good idea? [duplicate]
					...ow have to include a WHERE IsDeleted = false clause in every query on this table (and so much worse if you're JOINing these tables).  A mistake here would be caught as soon as a user or tester noticed a deleted record showing up again, which might take some time.  Also, it would be easy for a develo...				
				
				
							Eliminate extra separators below UITableView
					When I set up a table view with 4 rows, there are still extra separators lines (or extra blank cells) below the filled rows.
                    
                    
                        
                            
                                
                                      ...				
				
				
							Adding a new value to an existing ENUM Type
					I have a table column that uses an  enum  type. I wish to update that  enum  type to have an additional possible value. I don't want to delete any existing values, just add the new value. What is the simplest way to do this?
                    
                    
                        
  ...				
				
				
							How do I make a composite key with SQL Server Management Studio?
					...
        
        
        
    
    
Open the design table tab 
Highlight your two INT fields (Ctrl/Shift+click on the grey blocks in the very first column)
Right click -> Set primary key
    
    
        
            
            
                
    share
   ...				
				
				
							What is the simplest SQL Query to find the second largest value?
					...    
        
        
    
    
SELECT MAX( col )
  FROM table
 WHERE col < ( SELECT MAX( col )
                 FROM table )
    
    
        
            
            
                
    share
        |
                improve this answer
        |
    
    ...				
				
				
							SQL Server - SELECT FROM stored procedure
					...ure can return multiple result sets, each with its own schema. It's not suitable for using in a SELECT statement.
    
    
        
            
            
                
    share
        |
                improve this answer
        |
    
        follow
    
        |
 ...				
				
				
							Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
					... 
    
    
You have a mismatch of two different collations in your table. You can check what collations each column in your table(s) has by using this query:
SELECT
    col.name, col.collation_name
FROM 
    sys.columns col
WHERE
    object_id = OBJECT_ID('YourTableName')
Collations are n...				
				
				
							