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title: "PL 保留关键字 - OceanBase 数据库 V4.2.1 | OceanBase 文档中心"
description: PL 保留关键字 PL 保留关键字是在 PL 中具有特殊含义的标识符。它们不区分大小写。 首字母 保留关键字 A ALL, ALTER, AND, ANY, AS, ASC, AT B BEGIN, BETWEEN, BY C CASE, CHECK, CLUSTERS, CLUSTER, COLAUTH, COLU…
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# PL 保留关键字

更新时间：2026-07-15 22:01:31

[编辑](https://github.com/oceanbase/oceanbase-doc/edit/V4.2.1/zh-CN/700.reference/500.sql-reference/300.pl-reference/300.pl-oracle/1500.pl-keywords-oracle.md)  

PL 保留关键字是在 PL 中具有特殊含义的标识符。它们不区分大小写。

| 首字母 | 保留关键字 |
| --- | --- |
| A | ALL, ALTER, AND, ANY, AS, ASC, AT |
| B | BEGIN, BETWEEN, BY |
| C | CASE, CHECK, CLUSTERS, CLUSTER, COLAUTH, COLUMNS, COMPRESS, CONNECT, CRASH, CREATE, CURSOR, COMMIT |
| D | DELETE, DECLARE, DEFAULT, DESC, DISTINCT, DROP |
| E | EXISTS, ELSE, ELSIF, END, EXCEPTION, EXCLUSIVE |
| F | FETCH, FOR, FROM, FUNCTION |
| G | GOTO, GRANT, GROUP |
| H | HAVING |
| I | IDENTIFIED, IF, IN, INDEX, INDEXES, INSERT, INTERSECT, INTO, IS |
| L | LIKE, LOCK |
| M | MINUS, MODE |
| N | NOCOMPRESS, NOT, NOWAIT, NULLX |
| O | OF, ON, OPTION, OR, ORDER, OVERLAPS |
| P | PROCEDURE, PUBLIC |
| R | RESOURCE, REVOKE, RETURN, ROLLBACK |
| S | SELECT, SHARE, SIZE, SQL, START, SUBTYPE, SAVEPOINT, SET |
| T | TABAUTH, TABLE, THEN, TO |
| U | UNION, UNIQUE, UPDATE |
| V | VALUES, VIEW, VIEWS |
| W | WHEN, WHERE, WITH, WHILE |

#### 功能适用性

该内容仅适用于 OceanBase 数据库企业版。OceanBase 数据库社区版仅提供 MySQL 模式。

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