How do you find the error, how can you know the number of rows effected by last SQL statement?
1 3852Is it possible to allow NULL values in foreign key? I s it possible to use different constraints for the same column in the table (i.e) (id int NOT NULL,UNIQUEUE)
1 8902I Have Employee table having column name as ID,SALARY how to get second max salary from employee table with id ex ID SALARY 1 20000 7 37000 2 5000
17 16922employee table has employee id ----------- empid ---------------- 1 2 3 3 3 4 5 5 5 6 6 6 7 here the values r repeated two times.how to select the repeated values only.i.e 3,5,6 should alone come.
3 6704
Comment,Datatypes are unlimited
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