14.10.3 SQL Syntax for Online DDL 在线DDL SQL语法 通常情况下, 你不需要做任何事情来启用在线DDL, 当使用ALTER TABLE 语句。 See Table 14.6, “Summary of Online Status for DDL Operations” 对于DDL操作的类型 允许并发的DML, 一些变化需要特定配置的组或者ALTER TABLE 子句 你可以控制特定在线DDL操作的各...
Data definition language (DDL) is used to define or modify an object in a database, such as a table, index, or view.GaussDB(DWS) does not support DDL if its CN is unavail
这个错误提示表明在查询表达式中缺少运算符,导致语法错误。为了解决这个问题,您可以按照以下步骤进行排查和修复: 1. 检查查询表达式:确认查询表达式中的语法是否正确,确保没有遗漏任何运算符。在这种情况...
Note: SQL is not only used for manipulating data, but also for creating and altering the design of database objects, such as tables. The part of SQL that is used for creating and altering database objects is called data-definition language (DDL). This topic does not ...
In this page, we list the SQL syntax for each of the SQL commands in this tutorial, making this an easy reference for someone to learn SQL. For detailed explanations of each SQL syntax, please go to the individual section by clicking on the keyword.The...
Fundamental Microsoft Jet SQL for Access 2000 Intermediate Microsoft Jet SQL for Access 2000 Advanced Microsoft Jet SQL for Access 2000 In these texts, you then have to find out what only works via ADO and with which syntax.
Der zum Erstellen und Ändern von Datenbankobjekten verwendete Teil von SQL wird als Datendefinitionssprache (Data Definition Language, DDL) bezeichnet. In diesem Artikel wird DDL nicht behandelt. Weitere Informationen finden Sie im Artikel Erstellen oder Ändern von Tabellen oder I...
User-Defined Functions Built-in Functions Basic SELECT Statements Filtering Sorting Grouping JOIN Subquery Alias Set Operations WITH...AS CASE...WHEN OVER Clause 1.1 Common Configuration Items of Batch SQL Jobs This section describes the common configuration items of the SQL syntax for DLI batch ...
ThePARTITIONFORandSUBPARTITIONFORclauses are not valid for DDL operations on views. In thePARTITIONFORandSUBPARTITIONFORclauses, you cannot specify the keywordsDEFAULTorMAXVALUEor a bind variable for thepartition_key_valueorsubpartition_key_value. ...
DDL CREATE/ALTER/DROP TABLE PARTITION/SUBPARTITION Supported - DDL CREATE/ALTER/DROP INDEX Partially supported The ALTER INDEX REBUILD option is equivalent to REINDEX and is not supported currently. DDL REINDEX Transaction replay is prohibited. Intermediate commit may be involved for multiple ti...