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Which of the following steps should be carried out using data types in SSIS for efficient results?

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Which of the following steps should be carried out using data types in SSIS for efficient results?

(a) Make data types as wide as possible so you will allocate more memory for your transformation

(b) Do not perform excessive casting of data types

(c) Do not watch precision issues when using the money, float, and decimal types

(d) None of the mentioned

This question was posed to me during an online interview.

I'm obligated to ask this question of Integration Services topic in section Data Connectivity of SQL Server

1 Answer

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Best answer
Right option is (b) Do not perform excessive casting of data types

The explanation: Excessive casting of data types it will only degrade performance. Match your data types to the source or destination and explicitly specify the necessary data type casting.

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