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SQL Server Express
SQL Server Express, also known as Microsoft SQL Server Express, is the free edition of Microsoft SQL Server, limited to 4 cores, 1,410 MB of memory, and 50 GB per database.
SQL Server Integration Services
SQL Server Integration Services (SSIS) is a Microsoft platform for building data integration and ETL solutions for data warehousing, replacing DTS and now also hosted in Azure.
SQL Server Reporting Services
SQL Server Reporting Services, also known as SQL Reporting Services (SSRS), is a Microsoft server-based reporting platform for paginated, print-ready reports, first released with SQL Server 2000 in 2004.
SQL Slammer
SQL Slammer, also known as the Sapphire worm, was a computer worm released in January 2003 that infected over 75,000 hosts running Microsoft SQL Server 2000 within minutes.
SQL standardization
SQL standardization defines the SQL database language as the international standard ISO/IEC 9075, first published by ANSI in 1986 and adopted by ISO in 1987.
SQL:1999
SQL:1999, also known as SQL3, is the third generation of the SQL database language standard, published in December 1999 with object technology its headline addition.
SQL/PGQ
SQL/PGQ (ISO/IEC 9075-16:2023) is Part 16 of SQL:2023, defining property graph creation over relational tables and GRAPH_TABLE pattern matching; implemented in Oracle 23ai and DuckPGQ, reverted from PostgreSQL 19.
SQLGlot
SQLGlot is a dependency-free Python SQL parser, transpiler, optimizer, and engine by Toby Mao, translating between 30+ dialects such as DuckDB, Spark, Snowflake, and BigQuery via a recursive descent parser and AST.
SQLite
SQLite is a self-contained, serverless, transactional SQL database engine stored in a single cross-platform disk file, with no separate server process, and its code is public domain.
SQLMesh
SQLMesh is an open source SQL/Python data transformation framework by Tobiko Data, later Fivetran and the Linux Foundation. Known for SQLGlot semantic parsing, Terraform-style plan/apply, virtual environments, and dbt compatibility.
SQSTM1
SQSTM1 (sequestosome 1, p62) is a human chromosome 5q35.3 gene encoding a 62 kDa ubiquitin-binding adaptor, the first selective autophagy receptor, regulating NF-κB, Keap1-Nrf2, and mTORC1; mutations cause Paget disease of bone, ALS, FTD, DMRV, and NADGP.
Squab
Squab: a young domestic pigeon under four weeks old, or its tender dark meat, from the rock pigeon Columba livia; China produces about 680 million squabs yearly, over 80% of global output.
Squabble Up
Squabble Up (stylized "squabble up") is a 2024 Kendrick Lamar song, track 2 and lead single of GNX, sampling Debbie Deb's "When I Hear Music"; it debuted at No. 1 on the Billboard Hot 100 with a Calmatic-directed video full of West Coast cultural references.
Squad
A squad is a small organized infantry unit, typically containing two or more fire teams. The U.S. Army is currently modernizing it through "Squad as a System."
Squad (U.S. Congress)
The Squad is the informal label for progressive Democratic House members, originally Alexandria Ocasio-Cortez, Ilhan Omar, Rashida Tlaib, and Ayanna Pressley, elected in 2018, named from a #SquadGoals orientation photo and later expanded to Bowman, Bush, Lee, and Casar.
Squad (video game)
Squad (video game): tactical 50v50 military FPS by Offworld Industries, Steam Early Access 14 Dec 2015, full release 23 Sep 2020, Unreal Engine 4 then 5, 13 factions, 24 maps, Squad 44 spinoff.
Squad automatic weapon
A squad automatic weapon (SAW) is a lightweight, one-man-portable automatic weapon issued at infantry squad level to suppress the enemy; in US service it names the M249.
Squad Busters
Squad Busters: Supercell crossover mobile action game with Clash of Clans, Brawl Stars, Hay Day, Clash Royale, and Boom Beach characters in 10-player gem-hunting matches. Soft launch April 2024, global May 29, 2024, development ended 2025, servers close December 14, 2026.
Squad Mission Equipment Transport
The Squad Mission Equipment Transport, officially the Squad Multipurpose Equipment Transport (SMET), is a US Army robotic mule that carries a squad's equipment and generates electrical power.
Squad number (association football)
Squad number (association football): fixed shirt number worn by a player for a season or tournament, replacing positional 1-11 numbering; began 1928 with Arsenal, fixed at the 1954 World Cup, Premier League squad numbers from 1993-94, UEFA range 1-99.
Squadron (aviation)
A squadron in aviation is the basic military air unit, made up of two or more flights and smaller than a group or wing, in air forces worldwide.
Squadron Supreme
Squadron Supreme is Marvel Comics' Justice League analogue team from parallel Earth-712, created by Roy Thomas in Avengers #85 (1971), best known for Mark Gruenwald's 1985 series in which the heroes take over the United States.
Squalamine
Squalamine (MSI-1256F, ENT-01, Evizon) is a cationic aminosterol isolated in 1993 from dogfish shark tissue; antimicrobial, antiangiogenic via NHE3 inhibition, trialed in cancer, AMD, and Parkinson's disease.
Squalane
Squalane is a saturated branched-chain hydrocarbon (C30H62) made by fully hydrogenating squalene; colorless and odorless, it is used chiefly as a stable emollient in cosmetics and as a lubrication research fluid.
Squalene
Squalene is a naturally occurring triterpene hydrocarbon, first identified in shark liver oil by Japanese chemist Tsujimoto Mitsumaru in 1916, and is the direct precursor of cholesterol, richest in olive oil.
Squalene monooxygenase
Squalene monooxygenase (squalene epoxidase, SQLE, Erg1) is an ER, FAD- and NADPH-dependent enzyme converting squalene to 2,3-oxidosqualene, the rate-limiting oxygenation step of cholesterol and ergosterol synthesis; target of terbinafine and NB-598.
Squalene synthase deficiency
Squalene synthase deficiency (SQSD, OMIM 618156) is a rare autosomal recessive cholesterol biosynthesis disorder caused by biallelic FDFT1 variants, marked by neonatal seizures, profound developmental delay, and farnesol-derived urine metabolites.
Squalene-hopene cyclase
Squalene-hopene cyclase, also known as EC 5.4.99.17, is a bacterial enzyme that cyclizes linear squalene to hopene in a single step, forming five rings and nine stereocenters to start hopanoid membrane lipid biosynthesis.
Squali
Squali (Sharks) is a 2025 Italian coming-of-age drama, Daniele Barbiero's debut, adapted from Giacomo Mazzariol's novel Gli squali, starring Lorenzo Zurzolo and James Franco, released 16 October 2025; distinct from Alberto Rizzi's 2024 film of the same title.
Squalidae
Squalidae, dogfish sharks, family of Squaliformes with genera Squalus and Cirrhigaleus, about 30-33 species in Atlantic, Indian, and Pacific Oceans; sister to all other squaliform families.