get column names sql code example
Example 1: get table columns from sql
SELECT *
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = N'Customers'
-- INFORMATION_SCHEMA is an ANSI-standard (American National Standard Institute) set of read-only views which provide information about all of the tables, views, columns, and procedures in a database
-- "N" defines the subsequent string (the string after the N) as being in unicode
Example 2: get column name sql server
SELECT *
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = N'Customers'
Example 3: How to View column names of a table in SQL
DESCRIBE Table_Name;
OR
DESC Table_Name;
Example 4: get column names
public static List<String> getColumnNames(){
List<String> columnList = new ArrayList<>();
try {
ResultSetMetaData rsMetaData = rs.getMetaData();
for (int colNum = 1; colNum < getColumnCount() ; colNum++) {
columnList.add(rsMetaData.getColumnLabel(colNum));
}
} catch (SQLException e) {
System.out.println("ERROR WHILE GETTING COLUMN NAMES "+ e.getMessage());
}
return columnList;
}