Month: March 2025
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What is the difference between string and StringBuilder in C#?
Read More: What is the difference between string and StringBuilder in C#?string is an immutable type, meaning its value cannot be changed after it is created. When you modify a string, a new string object is created. StringBuilder is a mutable type, meaning its value can be changed without creating a new object. This makes it more efficient for operations that involve frequent string modifications.
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What is the difference between char and varchar in SQL Server?
Read More: What is the difference between char and varchar in SQL Server?char is a fixed-length character data type. It stores a specified number of characters, padding with spaces if the value is shorter than the specified length. varchar is a variable-length character data type. It stores a variable number of characters, up to the specified maximum length.