hcblmnla

-- 01 Select (1)

select distinct author_id as id
from Views
where author_id = viewer_id
order by id;

-- 02 Basic Joins (4)

select customer_id, count(*) as count_no_trans

hcblmnla

import java.math.BigInteger
import java.util.*
import kotlin.math.max

typealias BigInt = BigInteger

val Int.bigInt
    get(): BigInt = this.toLong().toBigInteger()

data class Frac(val p: BigInt, val q: BigInt) {

hcblmnla

"use strict"

const exprBuilder = (ctor, methods) => {
    Object.assign(ctor.prototype, methods)
    return ctor
}

const Const = exprBuilder(function (value) {
    this.value = value
}, {