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Reserved words in SQL and related products In SQL:2023 [3] In IBM Db2 13 [4] In Mimer SQL 11.0 [5] In MySQL 8.0 [6] In Oracle Database 23c [7] In PostgreSQL 16 [1] In Microsoft SQL Server 2022 [2]
The team released version 1 to a small number of users in June 1989, followed by version 2 with a re-written rules system in June 1990. Version 3, released in 1991, again re-wrote the rules system, and added support for multiple storage managers [ 32 ] and an improved query engine.
Oracle and IBM Db2 provide a construct explicitly named CLOB, [1] [2] and the majority of other database systems support some form of the concept, often labeled as text, memo or long character fields. CLOBs usually have very high size-limits, of the order of gigabytes. The tradeoff for the capacity is usually limited access methods.
So far PostgreSQL is the only vendor to have announced a live product with this specific feature, in PostgreSQL 9.5. [ 3 ] [ 4 ] Other vendors have described some similar features, [ 2 ] including Oracle , [ 5 ] [ 6 ] Netezza 'zone maps', [ 7 ] Infobright 'data packs', [ 8 ] MonetDB [ 9 ] and Apache Hive with ORC/Parquet.
Title Authors ----- ----- SQL Examples and Guide 4 The Joy of SQL 1 An Introduction to SQL 2 Pitfalls of SQL 1 Under the precondition that isbn is the only common column name of the two tables and that a column named title only exists in the Book table, one could re-write the query above in the following form:
9999-12-31 254 CUBRID: 2 EB 2 EB Unlimited Unlimited Unlimited 1 GB 64 bits 0001-01-01 9999-12-31 254 IBM DB2: Unlimited 2 ZB: 1,048,319 B: 1,012 2 GB: 32 KiB: 64 bits 0001-01-01 9999-12-31 128 Empress Embedded Database: Unlimited 2 63 −1 bytes 2 GB 32,767 2 GB 2 GB 64 bits 0000-01-01 9999-12-31 32 EXASolution: Unlimited Unlimited Unlimited ...
It added PostgreSQL compatibility in October 2017. [3] In August 2017, Aurora Fast Cloning (copy-on-write) feature was added allowing customers to create copies of their databases. [4] In May 2018, Aurora Backtrack was added which allows developers to rewind database clusters without creating a new one. [5]
CockroachDB is a source-available distributed SQL database management system developed by Cockroach Labs. [2] [3]The relational functionality is built on top of a distributed, transactional, consistent key-value store that can survive a variety of different underlying infrastructure failures, and is wire-compatible with PostgreSQL which means users can take advantage of a wide range of drivers ...