SQLGlot supports the full CREATE TABLE syntax for temporal tables, but there's some cases missing around the ALTER TABLE syntax to add them after-the-fact. I've included code to create and clean up ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

ALTER TABLE name ADD [COLUMN] [IF NOT EXISTS] colname ⬜️ ALTER TABLE name ADD [COLUMN] [IF NOT EXISTS] colname UNIQUE #6985 ⬜️ ALTER TABLE name ADD [COLUMN] [IF NOT EXISTS] colname integer GENERATED ...

If screaming speed in data access is the most important thing in your life, SQL Server's durable in-memory, memory-optimized tables are your answer. They were good in SQL Server 2014 and they're even ...

SQL Server is trusted by many customers for enterprise-grade, mission-critical workloads that store and process large volumes of data. Technologies like in-memory OLTP and columnstore have also helped ...