What are the different SQL data types and their uses?
An example of an AI chatbot conversation about SQL data types and their applications.
What are the different SQL data types and their uses?
SQL data types define the kind of data that can be stored in a table. Common types include INT, VARCHAR, DATE, and BOOLEAN.
Can you explain the difference between VARCHAR and CHAR?
VARCHAR is variable-length, meaning it can store strings of different lengths, while CHAR is fixed-length, padding with spaces if necessary.
When should I use TEXT instead of VARCHAR?
Use TEXT for large amounts of text data that exceed the limit of VARCHAR, which is typically 255 characters.
What about numeric data types? How do they differ?
Numeric data types include INT, FLOAT, and DECIMAL. INT is for whole numbers, FLOAT for approximate values, and DECIMAL for exact precision.
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