sql get columns and data types code example

Example 1: how to check data type in sql server

SELECT DATA_TYPE 
FROM INFORMATION_SCHEMA.COLUMNS
WHERE 
     TABLE_NAME = 'yourTableName' AND 
     COLUMN_NAME = 'yourColumnName'

Example 2: sql query to get column names and data types in sql server

SELECT COLUMN_NAME, 
	DATA_TYPE, 
    IS_NULLABLE, 
    CHARACTER_MAXIMUM_LENGTH, 
    NUMERIC_PRECISION, 
    NUMERIC_SCALE 
FROM 'your_database_name'.INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME='your_table_name';

Example 3: sql query to get column data type in sql

SELECT DATA_TYPE 
FROM INFORMATION_SCHEMA.COLUMNS
WHERE 
     TABLE_NAME = 'yourTableName' AND 
     COLUMN_NAME = 'yourColumnName'

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