Can we create foreign key without primary key?

1036

If a cursor is open, how can we find in a pl/sql block?

1212

how to enter numeric values as hex numbers? : Sql dba

1096

How do I find duplicates in sql?

975

Can you selectively load only those records that you need? : aql loader

1092

Is crud a cuss word?

1070

Can we connect to postgresql using sql developer?

1043

What does sign mean sql?

1173

What are the different types of dbmss?

1054

Can you sum a count in sql?

1057

How can you fetch common records from two tables?

1099

What is the difference between database trigger and stored procedure?

1127

In pl/sql, what is bulk binding, and when/how would it help performance?

1030

What are keys in sql?

1038

What is file based approach?

995