DSA Solution
β
Note Preview
04_dsa_solutions/leetcode_solutions
π Open Note
TOC
Sidebar
Graph
Focus
Tools
Top
Table of Contents
β
Exit Focus Mode
Platform & Reading Settings
β
Theme & Appearance
COLOR THEME
βοΈ Light
π Dark
READING TINT
Default
π Paper
π Warm
Reading & View Controls
π
Distraction-Free Focus
Toggle
πΊοΈ
Obsidian Global Graph
Graph
π
Platform Specs & Audit
Report
π§Ή
Reset Local Storage & Cache
Reset
π Platform Audit & Verification Report
β
360
Indexed Notes
5.0s
Build Time
100%
SPA Compliant
60 FPS
PixiJS Graph
Active Platform Features
β
Multi-Track Fast Dev
: Staging 2+ tracks in parallel with sub-5s full builds.
β
Obsidian Graph Engine
: Emerald (DSA), Indigo (Architecture), Amber (Languages), Pink (Cloud).
β
Directed Arrows
: GPU-accelerated triangular vectors indicating knowledge dependencies.
β
Lazy-Loaded Graph
: Zero initial memory/CDN overhead, hydrating strictly on viewport intersection.
β
Mobile TOC Drawer
: Touch-friendly bottom sheet highlighting active section headings.
β
Distraction-Free Focus
: Maximize reading canvas with 1-click floating exit trigger.
β
Resilient Storage
: Defensive JSON parsing preventing crashes across hard reload (Ctrl+Shift+R).
GraphMind
Dark mode
Light mode
Explorer
postgresql
Search
Search
14 items with this tag.
Aug 29, 2026
SQL Query Optimization & Execution Plans: EXPLAIN ANALYZE, Access Paths & Index Engineering
sql
query-optimization
explain-analyze
indexing
postgresql
database-performance
query-planner
technical-skills
software-engineering
learning-note
Aug 29, 2026
SQL Table Partitioning & Partition Pruning: Declarative Range, List, Hash & Subpartitioning
sql
table-partitioning
partition-pruning
postgresql
mysql
database-performance
query-optimization
storage-engine
technical-skills
software-engineering
learning-note
Aug 21, 2026
Database Design, Indexing Mathematics & High-Throughput Optimization
database-design
indexing
b-tree
normalization
postgresql
partitioning
optimization
performance
technical-skills
software-engineering
learning-note
Aug 21, 2026
SQL Fundamentals, PostgreSQL Internals & MVCC Architecture
sql
postgresql
mvcc
vacuum
wal
indexing
transaction-isolation
explain-analyze
window-functions
performance
technical-skills
software-engineering
learning-note
Aug 21, 2026
Search Engine vs Database: Inverted Index vs B-Tree & Synchronization Patterns
search
database
elasticsearch
postgresql
inverted-index
btree
bm25
debezium
outbox-pattern
pgvector
technical-skills
software-engineering
learning-note
Aug 21, 2026
Advanced PostgreSQL Features: JSONB, GIN/GiST, Full-Text & Foreign Data Wrappers
postgresql
jsonb
gin
gist
full-text-search
fdw
rls
advanced-sql
indexing
technical-skills
software-engineering
learning-note
Aug 21, 2026
Database Sharding, HA Clustering: Patroni, ProxySQL & Citus Architecture
database-sharding
patroni
citus
proxysql
high-availability
postgresql
distributed-sql
technical-skills
software-engineering
learning-note
Aug 21, 2026
PL/pgSQL Programming: Stored Procedures, Triggers & Architecture
plpgsql
postgresql
stored-procedures
triggers
database-programming
procedures
spi
security
technical-skills
software-engineering
learning-note
Aug 21, 2026
PostgreSQL Administration: Backup (pg_dump/WAL-G), Replication & Tuning
postgresql
replication
backup
wal-g
pgbackrest
pgbouncer
performance-tuning
sysadmin
pitr
technical-skills
software-engineering
learning-note
Aug 21, 2026
Database Security & Access Control: RBAC, Grants & Column/Row Encryption
database-security
postgresql
rbac
permissions
pgcrypto
encryption
access-control
rls
pgaudit
scram
technical-skills
software-engineering
learning-note
Aug 21, 2026
Database Transactions & Concurrency: ACID, Isolation Levels & 2PL
transactions
acid
concurrency
2pl
mvcc
serializability
ssi
write-skew
postgresql
database-internals
technical-skills
software-engineering
learning-note
Aug 21, 2026
Write-Ahead Logging (WAL) Architecture: ARIES Recovery & fsync Durability
database-internals
wal
write-ahead-logging
aries-recovery
lsn
durability
fsync
checkpoints
postgresql
technical-skills
software-engineering
learning-note
Aug 21, 2026
AWS Database Architecture: Amazon Aurora, RDS, DynamoDB & ElastiCache
aws
databases
rds
aurora
dynamodb
elasticache
nosql
postgresql
technical-skills
software-engineering
learning-note
Aug 21, 2026
AWS Database Architecture: Amazon Aurora, RDS, DynamoDB & ElastiCache
aws
databases
rds
aurora
dynamodb
elasticache
nosql
postgresql
technical-skills
software-engineering
learning-note