CREATE {DATABASE | SCHEMA} [IF NOT EXISTS] db_name #SCHEMA是DATABASE的同义词 [IF NOT EXITTS]可防止建库是已经存在报错 [create_specification] ... #可指定数据库的特征 create_specification: [DEFAULT] CHARACTER SET [=] charset_name #指定字符集 | [DEFAULT] COLLATE [=] collation_name #specifi...
ALTER DATABASE - modifies a database CREATE TABLE - creates a new table ALTER TABLE - modifies a table DROP TABLE - deletes a table CREATE INDEX - creates an index (search key) DROP INDEX - deletes an index Exercise? Which SQL statement is used to select all records from a table name...
The SQL CREATE TABLE command is used to create a database table. It can be used to create different types of database tables, such astemporary tables. However, in this article, I’ll only cover the regular database table. SQL Create Table Syntax The syntax for the SQL create table state...
Re: Correct syntax for CREATE DATABASE v5.0.27 Peter Brawley September 26, 2007 09:35AM Sorry, you can't reply to this topic. It has been closed.Content reproduced on this site is the property of the respective copyright holders. It is not reviewed in advance by Oracle and does not...
Database: test Create Database: CREATE DATABASE `test` /*!40100 DEFAULT CHARACTER SET utf8mb4*/ SHOW CREATE DATABASEquotes table and column names according to the value of thesql_quote_show_createoption. SeeSection 5.1.7, “Server System Variables”....
Database:test CreateDatabase:CREATEDATABASE `test` /*!40100 DEFAULT CHARACTER SET utf8mb4 */ 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. SHOW CREATE DATABASE quotes table and column names according to the value of the sql_quote_show_create option. See ...
// mssql模块的简单使用 // https://www.npmjs.com/package/mssql var sql = require('mssql'); // DB configuration var dbConfig = { user: 'sa', password: '1030', server: 'localhost', database: 'UserDB', port: 1433, pool: { max: 10, min: 0, idleTimeoutMillis: 30000 } }; ...
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 cover DDL. For more information, see the articleCreate or modify tables or indexes by using a data-...
Why Is the Purchase Button Unavailable When I Create a Cluster? How Do I Unfreeze a Cluster? Can I Freeze or Shut Down a GaussDB(DWS) Cluster to Stop Billing? Getting Started Quickly Creating a GaussDB(DWS) Cluster and Importing Data for Query GaussDB(DWS) Data Development SQL Statements...
CREATE BARRIER CREATE DATABASE CREATE FOREIGN TABLE (for GDS Import and Export) CREATE FOREIGN TABLE (SQL on OBS or Hadoop) CREATE FOREIGN TABLE (for OBS Import and Export) CREATE FOREIGN TABLE (SQL on other GaussDB(DWS)) CREATE FUNCTION CREATE GROUP CREATE INDEX CREATE REDACTION POLICY CREATE...