Contributing

How do I get a list of column names in ResultSet?

How do I get a list of column names in ResultSet?

You can get the name of a particular column using the getColumnName() method of the ResultSetMetadata interface. This method accepts an integer value representing the index of a column and returns a String value representing the name of the specified column.

How do I print only column names in SQL?

Tip Query to get all column names from database table in SQL…

  1. SELECT COLUMN_NAME.
  2. FROM INFORMATION_SCHEMA. COLUMNS.
  3. WHERE TABLE_NAME = ‘Your Table Name’
  4. ORDER BY ORDINAL_POSITION.

How can I get column names of JPA entity?

How to get Column names of JPA entity

  1. Fields of MyEntity that are of type SecureString.
  2. Column name of that particular field in DB (The field may or may not have @Column annotation)
  3. The value of id field.

How do I get columns in ResultSet?

You can get the column count in a table using the getColumnCount() method of the ResultSetMetaData interface. On invoking, this method returns an integer representing the number of columns in the table in the current ResultSet object.

How do you name a table in spring boot?

2 Answers

  1. Explicitly quote the name: @Table(name = “\”MyTable_name\””)
  2. Implement a physical naming strategy that quotes names (details below)
  3. Set an undocumented attribute to quote all table and column names: spring. jpa. properties. hibernate. globally_quoted_identifiers=true (see this comment).

Is org hibernate Annotationexception no identifier specified for entity?

The error here is that in your Entity class, you have not defined a primary key. Thus specify either @Id annotation or an @EmbeddedId annotation. So the solution is just add @Id to appropriate primary key column. Thus every class defined as Entity with @Entity annotation, needs an @Id or @EmbeddedId property.

Which of the following syntax is used to get ResultSetMetaData object?

How to get the object of ResultSetMetaData: The getMetaData() method of ResultSet interface returns the object of ResultSetMetaData. Syntax: public ResultSetMetaData getMetaData()throws SQLException.

How to print column names in resultset in Java?

1, 2 is the column number of table and set int or string as per data-type of coloumn For those who wanted more better version of the resultset printing as util class This was really helpful for printing resultset and does many things from a single util thanks to Hami Torun!

How to get the column names from a resultset using JDBC?

How to get all the column names from a ResultSet using JDBC. You can get the name of a particular column using the getColumnName () method of the ResultSetMetadata interface. This method accepts an integer value representing the index of a column and returns a String value representing the name of the specified column.

How to get column names of table using Kode?

Statement statement = connection.createStatement (); ResultSet resultSet = statement.executeQuery ( “SELECT * FROM books” ); // The ResultSetMetaData is where all metadata related // information for a result set is stored.

How to get the column name in stmt?

ResultSet rs = stmt.executeQuery (“SELECT a, b, c FROM TABLE2”); ResultSetMetaData rsmd = rs.getMetaData (); String name = rsmd.getColumnName (1); and you can get the column name from there.