a partitioned table, a table partition, or a table subpartition. For object tables or relational tables with object columns, useALTERTABLEto convert the table to the latest definition of its referenced type after the type has been altered. ...
Syntax for ALTER TABLE ALTER TABLE table-name 1ADDCOLUMNcolumn-definitionALTERCOLUMNcolumn-alterationRENAME COLUMNsource-column-nameTOtarget-column-nameDROPCOLUMNcolumn-nameRESTRICTADD PERIODFORperiod-definitionADDunique-constraintreferential-constraintcheck-constraint4DROPRPRIMARY KEYUNIQUEFOREIGN KEYCHECKCONSTRAINT...
ALTERTABLEtbl_name[alter_specification [, alter_specification]...][partition_options]alter_specification: table_options|ADD[COLUMN]col_namecolumn_definition[FIRST | AFTER col_name]|ADD[COLUMN](col_namecolumn_definition,...)|ADD{INDEX|KEY}[index_name][index_type](key_part,...)[index_option]....
ALTER TABLE modifies a table definition by altering, adding, or dropping columns and constraints. ALTER TABLE also reassigns and rebuilds partitions, or disables and enables constraints and triggers.
ALTER TABLE은 열과 제약 조건을 변경, 추가 또는 삭제하여 테이블 정의를 수정합니다. ALTER TABLE은 파티션을 다시 할당 및 다시 빌드하거나 제약 조건과 트
The ALTER privilege on the table, and The system authority *EXECUTE on the library containing the table Administrative authority To define a foreign key, the privileges held by the authorization ID of the statement must include at least one of the following on the parent table: The REFERENCES...
Description:I am trying to convert a database of InnoDB tables to MyISAM with the syntax "ALTER TABLE <table> ENGINE=MyISAM". There are a large number of foreign key constraints between the tables, and the ALTER TABLE produces a foreign key constraint error (ERROR 1217), even after execut...
Syntax -- Rename an internal table.ALTERTABLE[schema_name.]<table_name>RENAMETO<new_table_name>;-- Rename a foreign table.ALTERFOREIGNTABLE[schema_name.]<foreign_table_name>RENAMETO<new_foreign_table_name>; Examples -- Change the name of the holo_test internal table in the public schema ...
syntaxsql 复制 ALTER DATABASE { database_name | CURRENT } SET { <option_spec> [ ,...n ] [ WITH <termination> ] } <option_spec> ::= { <accelerated_database_recovery> | <auto_option> | <automatic_tuning_option> | <change_tracking_...
本文是MariaDB官方ALTER TABLE手册的翻译,99%的内容是按照手册给的内容进行翻译的。 原文地址:https://mariadb.com/kb/en/library/alter-table/ 我提交到MariaDB官方手册的译文:https://mariadb.com/kb/zh-cn/library/alter-table/ Syntax 1 2 3