The CREATE TABLE statement is used to create a new table in database.Tables can be created in two ways:By specifying the columns and their data types explicitly. Creation based on the existing table.Following is the table creation syntax by specifying the columns and their data types ...
A windows-compatible directory name. This name should be unique among all the Database_Directory names in the SQL Server instance. Uniqueness comparison is case-insensitive, regardless of SQL Server collation settings. This option should be set before you create a FileTable in this database. ...
A windows-compatible directory name. This name should be unique among all the Database_Directory names in the SQL Server instance. Uniqueness comparison is case-insensitive, regardless of SQL Server collation settings. This option should be set before you create a FileTable in this database. ...
Is the name of the database in which the table is created. database_name must specify the name of an existing database. If not specified, database_name defaults to the current database. The login for the current connection must be associated with an existing user ID in the database spec...
数据库(database)保存有组织的数据的容器(通常是一个文件或一组文件)。 表(table)某种特定类型数据的结构化清单。 SQL 是什么 SQL(发音为字母S-Q-L或sequel)是 Structured Query Language(结构化查询语言)的缩写。SQL 是一种专门用来与数据库沟通的语言。
Specifies the mode of database creation. Default: regular database creation. Copy: creates a database as a copy of an existing database. sourceDatabaseId must be specified as the resource ID of the source database. Secondary: creates a database as a secondary replica of an existing databas...
Simple CREATE TABLE syntax (common if not using options): syntaxsql Copy CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> } [ ,... n ] ) [ ; ] Full syntax Disk-based CREATE TABLE syntax: syntaxsql Copy CREATE...
TABLE [dbo].[T_Student] WITH CHECK ADD CONSTRAINT [FK_T_STUDEN_REFERENCE_T_TEACHE] FOREIGN KEY([TeacherID]) [dbo].[T_Teacher] ([ID]) UPDATE CASCADE DELETE CASCADE TABLE [dbo].[T_Student] CHECK CONSTRAINT [FK_T_STUDEN_REFERENCE_T_TEACHE] : 摘录, 00.Database(PostgreSQL...
Sql.Database(server as text, database as text, optional options as nullable record) as table About Returns a table of SQL tables, views, and stored functions from the SQL Server database database on server server. The port may be optionally specified with the server, separated by a colon...
CREATE TABLE statement can be used to create table objects in database. It is possible to add constraints like primary key ,foreign key while table creation.Primary key is the unique identifier for a row of data.One table cannot contain duplicate primary key values.Primary key also can be a...