Answers for "how to use input element in react native"

remove postgresql ubuntu

sudo apt-get --purge remove postgresql
sudo apt-get purge postgresql*
sudo apt-get --purge remove postgresql postgresql-doc postgresql-common

postgres delete database

CREATE DATABASE testdb1;
DROP DATABASE testdb1;

delete entries in postgresql

DELETE FROM table WHERE condition;

postegresql delete

DELETE FROM films
  WHERE producer_id IN (SELECT id FROM producers WHERE name = 'foo');

delete entries in postgresql

DELETE FROM table
USING another_table
WHERE table.id = another_table.id;

delete from select postgresql

DELETE FROM mytable 
WHERE ctid IN (
    SELECT ctid
    FROM mytable 
    GROUP BY s.serialId, s.valuetimestamp
    ORDER BY s.serialId
    LIMIT 10
)

react native input

import React, { Component } from 'react';
import { TextInput } from 'react-native';

export default function UselessTextInput() {
  const [value, onChangeText] = React.useState('Useless Placeholder');

  return (
    <TextInput
      style={{ height: 40, borderColor: 'gray', borderWidth: 1 }}
      onChangeText={text => onChangeText(text)}
      value={value}
    />
  );
}