UPDATE Synopsis Syntax Diagram assignment Grammar Semantics See Also UPDATE AttentionThis page documents an earlier version. Go to the latest (v2.1)version. Synopsis...

DROP ROLE Synopsis Syntax Diagram drop_role Grammar Semantics Examples See also DROP ROLE Synopsis The DROP ROLE deletes an existing role. This statement is enabled...

10. 完整的语法规范 10. 完整的语法规范 这是完整的Python语法，它被送入解析器生成器，以生成解析Python源文件的解析器： # Grammar for Python # NOTE WELL: You should also follow all the steps listed at # https://devguide.p...

EXPORT keyword EXPORT Description This statement is used to export data from a specified table to a specified location. This function is implemented by broker process. For di...

REVOKE ROLE Synopsis Syntax Diagram revoke_role Grammar Semantics Examples See also REVOKE ROLE Synopsis The REVOKE ROLE statement is used to revoke a role (which re...

DELETE Synopsis Syntax Diagram Grammar Semantics WHERE Clause See Also DELETE AttentionThis page documents an earlier version. Go to the latest (v2.1)version. Synops...

语句（Statements） 循环语句 loop-statement For-In 语句 for-in-statement While 语句 while-statement condition-clause condition case-condition optional-binding-condition Repeat-While 语...

DROP DATABASE Synopsis Syntax Diagram Grammar Semantics See Also DROP DATABASE AttentionThis page documents an earlier version. Go to the latest (v2.1)version. Synops...

SHOW ALTER Description example keyword SHOW ALTER Description This statement is used to show the execution of various modification tasks currently under way. Grammar: SHOW A...

SHOW ALTER Description example keyword SHOW ALTER Description This statement is used to show the execution of various modification tasks currently under way. Grammar: SHOW A...