What does count (*) mean in sql?
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What is the most restrictive isolation level? : Transact sql
Is join same as left join?
1. Which is an aggregate function? a. Union b. like c. max d. Rank
Explain two easy sql optimizations.
2. Select A.A from ( select 1 as from dual Union select 1 as from dual)A Full outer join ( select 1 B from dual Union select 2 B from dual)B On A.A=B.B
What is sql injection owasp?
Can we call a function containing dml statements in a select query?
What is a temporal data type?
What is server name sql?
What is sql deadlock?
what will be the output: select 1 from emp union all select 2 from emp;
What are the various levels of constraints?
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