T-Sql 打印所有用户表的建表脚本

-- 声明一个变量用于存储表名
DECLARE @TableName NVARCHAR(128);
-- 声明一个游标，用于遍历所有用户表
DECLARE TableCursor CURSOR FOR
SELECT name FROM sys.tables  WHERE type = 'U'; -- 打开游标
OPEN TableCursor;
-- 从游标中获取第一行数据
FETCH NEXT FROM TableCursor INTO @TableName;-- 当游标获取数据成功时，进入循环
WHILE @@FETCH_STATUS = 0
BEGIN-- 声明一个变量用于存储生成的创建表的 SQL 语句DECLARE @SQL NVARCHAR(MAX) = N'';-- 生成创建表的 SQL 语句，包括自增字段的处理SET @SQL = @SQL +'CREATE TABLE ' + QUOTENAME(@TableName) + ' (' +STUFF((SELECT ', ' + QUOTENAME(c.name)  + ' ' + t.name  +CASE WHEN t.name  IN ('varchar', 'nvarchar') THEN '(' + CAST(c.max_length  AS VARCHAR) + ')' WHEN t.name   IN ('char', 'nchar') THEN CASE WHEN c.max_length!=  -1 THEN '(' + CAST(c.max_length  AS VARCHAR) + ')' ELSE '(MAX)' ENDWHEN t.name  = 'decimal' THEN '(' + CAST(c.precision  AS VARCHAR) + ', ' + CAST(c.scale  AS VARCHAR) + ')' ELSE '' END +CASE WHEN c.is_identity  = 1 THEN -- 处理自增字段' IDENTITY(' + CAST(IDENT_SEED(@TableName) AS VARCHAR) + ', ' + CAST(IDENT_INCR(@TableName) AS VARCHAR) + ')' ELSE '' END +CASE WHEN c.is_nullable  = 0 THEN ' NOT NULL' ELSE '' ENDFROM sys.columns  cJOIN sys.types  t ON c.user_type_id  = t.user_type_id WHERE c.object_id  = OBJECT_ID(@TableName)FOR XML PATH('')), 1, 2, '') + ');';-- 打印生成的 SQL 语句PRINT @SQL;-- 从游标中获取下一行数据FETCH NEXT FROM TableCursor INTO @TableName;
END-- 关闭游标
CLOSE TableCursor;
-- 释放游标占用的资源
DEALLOCATE TableCursor;

实测结果