1. 解释什么是全局临时表(Global Temporary Table) 全局临时表是一种在数据库中创建的临时存储结构,它在数据库实例的生命周期内存在。与会话级临时表不同,全局临时表的数据对所有会话可见,但其数据仅在创建该表的会话结束后或显式删除时才会消失。全局临时表的数据不会跨数据库会话持久化。 2. 给出创建全局临时...
The CREATE GLOBAL TEMPORARY TABLE statement creates a description of a temporary table at the current server. Each session that selects from a created temporary table retrieves only rows that the same session has inserted. When the session terminates, the rows of the table associated with t...
Prefix local temporary table names with single number sign (#table_name), and prefix global temporary table names with a double number sign (##table_name). Transact-SQL statements reference the temporary table by using the value specified for table_name in the CREATE TABLE statement, for exampl...
Prefix local temporary table names with single number sign (#table_name), and prefix global temporary table names with a double number sign (##table_name). Transact-SQL statements reference the temporary table by using the value specified for table_name in the CREATE TABLE statement, for exampl...
Prefix local temporary table names with single number sign (#table_name), and prefix global temporary table names with a double number sign (##table_name). Transact-SQL statements reference the temporary table by using the value specified for table_name in the CREATE TABLE statement, for exampl...
Prefix local temporary table names with single number sign (#table_name), and prefix global temporary table names with a double number sign (##table_name). Transact-SQL statements reference the temporary table by using the value specified for table_name in the CREATE TABLE statement, for exampl...
The CREATE GLOBAL TEMPORARY TABLE statement creates a description of a temporary table at the current server. Each session that selects from a created temporary table retrieves only rows that the same session has inserted. When the session terminates, the rows of the table associated with the se...
How to create a global and local temporary table How to create a table with constraints How to create a table in a different filegroup How to create a system-version temporal table The CREATE TABLE statement is used to create a new table in a database. The syntax of CREATE TABLE statement...
適用於:Microsoft Fabric 中的 SQL ServerAzure SQL 資料庫 Azure SQL 受控執行個體 SQL 資料庫 在資料庫中建立新的數據表。 注意 如需在 Microsoft Fabric 中倉儲的參考,請流覽 CREATE TABLE (網狀架構數據倉儲)。 如需 Azure Synapse Analytics 和分析平台系統 (PDW) 的參考,請...
Prefix local temporary table names with single number sign (#table_name), and prefix global temporary table names with a double number sign (##table_name). SQL statements reference the temporary table by using the value specified for table_name in the CREATE TABLE statement, for example: Copy...