(2) 单击任务板中的“Create an Index” 链接,出现如图8-3 所示的索引创建向导界面。也可以从“Tools ”菜单中选择“izards” 菜单项,则出现如图5-17 所示的选择SQL Server 向导对话框,再从树型目录中选择“Database”下的“Create Index Wizard”选项,也会出现如图8-3 所示的索引创建向导界面。 (3) 单击...
syntaxsql 複製 CREATE CLUSTERED COLUMNSTORE INDEX index_name ON [ database_name . [ schema ] . | schema . ] table_name [ORDER (column[,...n])] [WITH ( DROP_EXISTING = { ON | OFF } )] [;] CREATE [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON [ database_name . [ schema...
To create a unique index on a table, using: SQL Server Management Studio Transact-SQL Before You Begin Benefits of a Unique Index Multicolumn unique indexes guarantee that each combination of values in the index key is unique. For example, if a unique index is created on a combination ofLas...
To design a new table, open SSMS and connect to your sql server instance. In Object Explorer, expand the HR database or the database where you want to create a new table. Now, right-click on the Tables folder and select New Table, as shown below.This...
_table_name [ ( ref_column [ ,... n ] ) ] [ ON DELETE { NO ACTION | CASCADE | SET NULL | SET DEFAULT } ] [ ON UPDATE { NO ACTION | CASCADE | SET NULL | SET DEFAULT } ] [ NOT FOR REPLICATION ] | CHECK [ NOT FOR REPLICATION ] ( logical_expression ) } <table_index> ...
在这个示例中,我们首先使用USE语句切换到目标数据库MyDatabase,然后使用CREATE TABLE语句创建一个名为MyTable的表。 步骤3:执行SQL语句 将上述SQL语句在SQL Server Management Studio (SSMS)或其他数据库管理工具中执行,即可在指定的数据库中创建表。 示例
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW)Creates a relational index on a table or view. Also called a rowstore index because it is either a clustered or nonclustered B-tree index. You can create a rowstore inde...
SQL Copy CREATE INDEX index1 ON schema1.table1 (column1); Create a clustered index on a table and use a 3-part name for the table SQL Copy CREATE CLUSTERED INDEX index1 ON database1.schema1.table1 (column1); Create a nonclustered index with a unique constraint and specify the...
For information on index design guidelines, refer to the SQL Server Index Design Guide.Examples:Create a nonclustered index on a table or view SQL Kopiraj CREATE INDEX index1 ON schema1.table1 (column1); Create a clustered index on a table and use a 3-part name for the table SQL...
SQL 复制 CREATE TABLE MyTable ( colA int CONSTRAINT constraint_colA DEFAULT 0, colB nvarchar COLLATE Frisian_100_CS_AS ) WITH ( CLUSTERED COLUMNSTORE INDEX ) ; 临时表的示例 C. 创建本地临时表 下面的示例创建名为“#myTable”的本地临时表。 此表的指定名称包含三个部分(以 # 开头)。 SQL ...