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Which numeric data type has the largest range in MySQL?
Explanation: Longtext has largest range. Explanation: None. 5.
What is the difference between CHAR and VARCHAR in MySQL?
CHAR is fixed length while VARCHAR is variable length. That means, a CHAR(x) string has exactly x characters in length, including spaces. A VARCHAR(x) string can have up to x characters and it cuts off trailing spaces, thus might be shorter than the declared length.
What is Numeric in MySQL?
In MySQL, NUMERIC is a synonym for DECIMAL . Floats, doubles, and decimals may have specified their precision and scale. In DECIMAL[M, D] the M is the maximum number of digits, the precision. The D is the number of digits to the right of the decimal point.
What are the numeric data types in MySQL?
MySQL supports all standard SQL numeric data types. These types include the exact numeric data types ( INTEGER , SMALLINT , DECIMAL, and NUMERIC ), as well as the approximate numeric data types ( FLOAT , REAL, and DOUBLE PRECISION ).
What kind of data can a string hold in MySQL?
MySQL String data types. In MySQL, a string can hold anything from plain text to binary data such as images or files. Strings can be compared and searched based on pattern matching by using the LIKE operator, regular expression, and full-text search. The following table shows the string data types in MySQL:
What’s the maximum value of m in MySQL?
The maximum permissible value of M depends on the data type. D applies to floating-point and fixed-point types and indicates the number of digits following the decimal point (the scale). The maximum possible value is 30, but should be no greater than M −2.
What does m mean for integer in MySQL?
For integer types, M indicates the maximum display width. For floating-point and fixed-point types, M is the total number of digits that can be stored (the precision). For string types, M is the maximum length. The maximum permissible value of M depends on the data type.