/TypeScript/If exists certain line in sql table java condition

If exists certain line in sql table java condition

public void ftpTableCheck(String host, String port, String username, String password) {
    try {
        String query = "SELECT (count(*) > 0) as found FROM ftp WHERE Host LIKE ? AND Username LIKE ?";
        PreparedStatement pst = conn.prepareStatement(query);
        pst.setString(1, host);
        pst.setString(2, username);

        try (ResultSet rs = pst.executeQuery()) {
            // Only expecting a single result
            if (rs.next()) {
                boolean found = rs.getBoolean(1); // "found" column
                if (found) {
                    // You have rows
                } else {
                    // You have no rows
                }
            }
        }
    } catch (SQLException e) {
        e.printStackTrace();
    }
}

Source: stackoverflow.com

Similar codes

11 votes182 views2 answers
How to run resources in ionic
TypeScript
1 vote176 views1 answer
Set element disable in typescript
TypeScript
0 vote166 views1 answer
R merge lists
TypeScript
0 vote176 views1 answer
Facade design pattern typescript
TypeScript
0 vote163 views1 answer
Scripted testing and exploratory testing
TypeScript
0 vote162 views1 answer
Representation of graph usig sets and hash in python
TypeScript
0 vote187 views4 answers
How to implement read more and readless in angular
TypeScript
1 vote157 views1 answer
Node js process on unhandled promise rejection
TypeScript
0 vote179 views1 answer
Array of objects create common key as a property and create array of objects
TypeScript
0 vote151 views1 answer
Check restore percentage tsql
TypeScript