Does group by remove duplicates?
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What is a table in a database?
Can we use more than one null value for unique key?
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Does access use sql?
What jobs use sql?
I Defined SP1, Sp2 (sp=StoreProcedures)In Package Specification but I Implemented Sp1, sp2, sp3, sp4, sp5 then What type of Error You will find????
Explain commit, rollback and savepoint.
What is materialized view. What are different methods of refresh?
How much does a sql dba make? : SQL DBA
SELECT flavor, SUM (ice_cream_sales) FROM sales_detail GROUP BY flavor ORDER BY 2 DESC If the "sales_detail" table contains ten records with different values in the flavor column (two "vanilla," three "chocolate," four "strawberry," and one NULL), how many rows are returned by the sample code above? 1. 0 rows 2. 1 row 3. 3 rows 4. 4 rows 5. 10 rows
What is inner join in sql?
What does stand for in sql?
What are Global Temporary tables
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