语法 Description Notation Grammar source files Symbols and naming Scope Syntax grammar General Classes Class members Enum classes Types Statements Expressions Modifiers ...

ALTER-TABLE-COLUMN Name Description Example Keywords Best Practice ALTER-TABLE-COLUMN Name ALTER TABLE COLUMN Description This statement is used to perform a schema chan...

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...

Parsing User Input Parsing User Input Our new code creates a mpc parser for our Polish Notation language, but we still need to actually use it on the user input supplied each...

Patterns Wildcard Pattern Identifier Pattern Value-Binding Pattern Tuple Pattern Enumeration Case Pattern Optional Pattern Type-Casting Patterns Expression Pattern Patte...

5.2 验证 Toolbox 词汇 5.2 验证 Toolbox 词汇 Toolbox 格式的许多词汇不符合任何特定的模式。有些条目可能包括额外的字段，或以一种新的方式排序现有字段。手动检查成千上万的词汇条目是不可行的。我们可以在Counter 的帮助下很容易地找出频率异常的字段序列： >>> from collections import...

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

DROP DATABASE Description This statement is used to delete the database Grammar: DROP DATABASE [IF EXISTS] db_name; example keyword DROP DATABASE Description This statement ...

DROP TABLE Synopsis Syntax Diagram Grammar Semantics Examples See also DROP TABLE Synopsis The DROP TABLE statement removes a table and all of its data from the datab...

SHOW-CATALOG-RECYCLE-BIN Name Description Example Keywords Best Practice SHOW-CATALOG-RECYCLE-BIN Name SHOW CATALOG RECYCLE BIN Description This statement is used to dis...