1. PreparedStatement setNull(..) stackoverflow.comJava PreparedStatement provides a possibility to explicitely set a Null value. This possibility is:
Are the semantics of this call the same as when using a setType with a null value?
?
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2. Why does PreparedStatement.setNull requires sqlType? stackoverflow.com
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3. Uses of PreparedStatement setNull stackoverflow.comWhat is the uses of setNull() method in PreparedStatement interface? I looked in this post.
It says: |
4. SetNull() in a select PreparedStatement coderanch.comHello everyone..here's my problem... I've a PreparedStatement with these query: "SELECT NAME FROM PERSON WHERE ID_COMPARTMENT=?" ID_COMPARTMENT is a INTEGER column. How I can set null value to the preparedStatement? I've tried ps.setNull(1,java.sql.Types.INTEGER), I haven't any error but the query does't return the correct result. The correct query should be "SELECT NAME FROM PERSON WHERE ID_COMPARTMENT IS NULL" and I think ... |
5. SetNull in a PreparedStatement coderanch.compublic class A{ PreparedStatement st; Connection conn; ResultSet rs; String sql="SELECT COL FROM TABLE WHERE A=? AND B=? AND C=? AND D=?"; public A(){ conn = ...get the connection; st = conn.prepareStatement(sql); } public void doSelect(Object []values) { int howManyValues = values.length; for (int i = 0 ; i < length; i++) { st.setObject(i+1,values[i]); } st.executeQuery(); } |