在SQL Server 2008 R2 中创建新表。 Transact-SQL 语法约定 语法 CREATE TABLE [ database_name . [ schema_name ] . | schema_name . ] table_name ( { <column_definition> | <computed_column_definition> | <column_set_definition> | [ <table_constraint> ] [ ,...n ] } ) [ ON { partit...
[ OPERATION_TYPE_COLUMN_NAME = operation_type_id column_name ] [ OPERATION_TYPE_DESC_COLUMN_NAME = operation_type_desc_column_name ] } <table_stretch_options> ::= { [ FILTER_PREDICATE = { NULL | table_predicate_function } , ] MIGRATION_STATE = { OUTBOUND | INBOUND | PAUSED } } <...
SQL CREATE TABLE 语句CREATE TABLE 语句用于创建数据库中的表。表由行和列组成,每个表都必须有个表名。SQL CREATE TABLE 语法CREATE TABLE table_name (column_name1 data_type(size),column_name2 data_type(size),column_name3 data_type(size), ... );column...
本文介绍如何使用 SQL CREATE TABLE 创建新表,DROP TABLE 用来完整地删除一个表,ALTER TABLE 用来更改表列或其他诸如约束或索引等对象。 一、创建表 SQL 不仅用于表数据操纵,而且还用来执行数据库和表的所有操作,包括表本身的创建和处理。 一般有两种创建表的方法:
SQL CREATE TABLE Syntax CREATETABLEtable_name ( column1 datatype, column2 datatype, column3 datatype, ... ); Here, table_nameis name of the table you want to create columnis the name of a column in the table datatypeis the type of data that the column can hold (e.g., integer...
正确答案:B 解析:CREATE TABLE表的定义命令,命令中各短语的功能: PRIMARY KEY:用于定义满足实体完整性的主索引。CHECK…ERROR:用于定义域的完整性和出错提示信息。DEFAULT:用于定义默认值。FROEIGNKEY…REFERENCES:用于定义表之间的联系。FREE:用于指明所建立的表是一个自由表,不添加到当前数据库中。NULL或NOTNULL:用...
[ OPERATION_TYPE_COLUMN_NAME = operation_type_id column_name ] [ OPERATION_TYPE_DESC_COLUMN_NAME = operation_type_desc_column_name ] } <table_stretch_options> ::= { [ FILTER_PREDICATE = { NULL | table_predicate_function } , ] MIGRATION_STATE = { OUTBOUND | INBOUND | PAUSED } } <...
[ OPERATION_TYPE_COLUMN_NAME = operation_type_id column_name ] [ OPERATION_TYPE_DESC_COLUMN_NAME = operation_type_desc_column_name ] } <table_stretch_options> ::= { [ FILTER_PREDICATE = { NULL | table_predicate_function } , ] MIGRATION_STATE = { OUTBOUND | INBOUND | PAUSED } } <...
How to Create a Table in SQL? The syntax to create a table is as below: CREATE TABLE table_name ( COLUMN1 datatype PRIMARY KEY, COLUMN2 datatype, COLUMN3 datatype, ... ); Let us create the table ‘STUDENTS’ as below: CREATE...