what are the limitations of identity column? : Transact sql

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how many ways to get the current time? : Sql dba

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How to check if a column is nullable before setting to nullable?

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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 Answers   Sonata,

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what are the advantages of primary key over unique+notnull

7 Answers   Consultancy, LGS, Oracle,

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What is mdf ldf and ndf?

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Why is partition used in sql?

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What is data profiling in sql?

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What is join view in sql?

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What is pseudo column ?

6 Answers   ABB,

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What is a table?

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How to select all records from the table?

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