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Sonata Interview Questions

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What is the main difference between a UNION statement and a UNION ALL statement? 1. A UNION statement eliminates duplicate rows; a UNION ALL statement includes duplicate rows. 2. A UNION statement can be used to combine any number of queries; a UNION ALL statement can be used to combine a maximum of two queries. 3. A UNION statement can only combine queries that have parallel fields in the SELECT list; a UNION ALL statement can combine queries with differing SELECT list structures. 4. A UNION statement cannot be used with aggregate functions; a UNION ALL statement can be used with aggregate functions. 5. There is no difference between the two statements; they are interchangeable.

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1 SELECT a.field1, b.field2, c.field3, d.field4 2 FROM atable a, atable b, ctable c, dtable d 3 ? 4 ORDER BY 1 What is the minimum number of joins that must be specified on line 3 in the sample code above to properly link the tables? Notice that the table "atable" is aliased twice: once as "a" and once as "b." 1. One join 2. Two joins 3. Three joins 4. Four joins 5. Five joins

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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

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Which one of the following is a reason that an INSERT statement might cause an error instead of executing correctly? 1. The INSERT statement was attempting to insert a record into a view that was created from more than one table. 2. The INSERT statement was attempting to insert a record using a combination of constants and values from an existing table. 3. The INSERT statement was attempting to insert a record with a non-NULL value into a table that has that column defined as NULL. 4. The INSERT statement was attempting to insert a record into a table by selecting a record from that same table. 5. The INSERT statement was attempting to insert a record into a view rather than a table.

1 6716

what load_dll in winrunner

2 6105

What is Smoke testing,in smoke testing time u will prepare the test cases or not?

10 13873

In real time where u can apply traceability matrix

5 11147

what is diff between stress & load testing

8 11335

When a new build comes what is the first step taken by a tester in testing

1 3965

what is the difference between verification and validation

2860

what is test strategy

1973

What a test plan contains

2053

what is the use of testing? is testing compulsary

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Un-Answered Questions

What is the instrument to check the rotating diode fuse of alternator in running conditions?

2474

How do I use microsoft exchange with outlook?

How to drop an existing table?

1007

what is reengineering? give 5 indian company's name who have used it.

2449

How to find out the listening ports?

1077

Do you have to pay for excel?

578

We have a testing assignment that is time-driven. Do you think automated tests are the best solution?

2106

What is Actual CPC ?

613

Can constructors be synchronized in java?

1131

Who invented ms word?

620

In sap bw/bi, what are the main areas and activities?

in what form is crr kept in RBI?

2480

How to calculate material and labor required for 100 m2 plaster?

1840

What is @enableautoconfiguration?

1043

What are identifiers c?

1091