Class - 12 CBSE Computer Science Important Output Questions 2025
What will be the output of following code ?
mysql> SELECT CONCAT(CONCAT('Inform', 'atics'), 'Practices');
SQL Queries
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Answer
+------------------------------------------------+
| CONCAT(CONCAT('Inform', 'atics'), 'Practices') |
+------------------------------------------------+
| InformaticsPractices |
+------------------------------------------------+
Working
The CONCAT() function in SQL is used to concatenate two or more strings into a single string. In this query, the inner CONCAT('Inform', 'atics') concatenates 'Inform' and 'atics' to produce 'Informatics'. The outer CONCAT() then concatenates 'Informatics' with 'Practices' to produce 'InformaticsPractices'. Therefore, the final output is 'InformaticsPractices'.
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