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Database scaling & optimization

Indexing, connection pooling, read replicas, query tuning, and throughput-aware SQL.

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Database scaling & optimization hard

B-Tree Insert and In-Order Traversal in Python

Simulates a B-tree (order 2) with insert and split logic, then prints keys in sorted order via in-order traversal.

b-tree tree data-structure
Python 
class BTreeNode:
    def __init__(self, leaf=False):
        self.leaf = leaf
        self.keys = []
        self.children = []

    def is_full(self, t):
        return len(self.keys) == 2 * t - 1


class BTree:
    def __init__(self, t=2):
        self.t = t
        self.root = BTreeNode(leaf=True)

    def insert(s…
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