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Optimization for ngql overview #1302

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Apr 27, 2022
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Optimization for ngql overview #1302

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Update 1.overview.md
abby-cyber Apr 27, 2022
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Update 1.overview.md
abby-cyber Apr 27, 2022
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12 changes: 9 additions & 3 deletions docs-2.0/3.ngql-guide/1.nGQL-overview/1.overview.md
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Expand Up @@ -89,11 +89,17 @@ The latest release is openCypher 9. The compatible parts of openCypher in nGQL a

NO.

!!! compatibility "nGQL is partially compatible with DQL in openCypher 9"
!!! compatibility "Compatibility with openCypher"

nGQL is designed to be compatible with part of DQL (match) and is not planned to be compatible with any DDL, DML, or DCL.
nGQL is designed to be compatible with part of DQL (match, optional match, with, etc.).

- It is not planned to be compatible with any DDL, DML, or DCL.
- It is not planned to be compatible with the Bolt Protocol.
- It is not planned to be compatible with APOC and GDS.

Users can search in this manual with the keyword `compatibility` to find major compatibility issues.

Multiple known incompatible items are listed in [Nebula Graph Issues](https://github.com/vesoft-inc/nebula-graph/issues?q=is%3Aissue+is%3Aopen+label%3Aincompatible). Submit an issue with the `incompatible` tag if you find a new issue of this type. Users can search in this manual with the keyword `compatibility` to find major compatibility issues.
Multiple known incompatible items are listed in [Nebula Graph Issues](https://github.com/vesoft-inc/nebula-graph/issues?q=is%3Aissue+is%3Aopen+label%3Aincompatible). Submit an issue with the `incompatible` tag if you find a new issue of this type.

### What are the major differences between nGQL and openCypher 9?

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