Is ms sql is free?
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What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.
How many commands are in sql?
Does inner join remove duplicates?
How many clustered indexes can you have?
what are the maximum number of rows that can be constructed by inserting rows directly in value list? : Transact sql
Write a sql select query that only returns each name only once from a table?
What is a schema in sql?
Is it possible to sort a column using a column alias?
Why is partition used in sql?
Does sql backup shrink transaction log?
What packages(if any) has oracle provided for use by developers?
What are Anti joins
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