array(2) { ["docs"]=> array(0) { } ["count"]=> int(0) } 111string(0) "" int(1) int(10) int(70) int(8640000) string(13) "likecs_art_db" array(1) { ["query"]=> array(1) { ["match_all"]=> object(stdClass)#28 (0) { } } } array(1) { ["createtime.keyword"]=> array(1) { ["order"]=> string(4) "desc" } } int(10) int(0) int(8640000) array(2) { ["docs"]=> array(0) { } ["count"]=> int(0) } [MSSQL]跨数据库查询 - 爱码网

[MSSQL]跨数据库查询

DECLARE @server SYSNAME='服务器IP';
DECLARE @username SYSNAME='用户名';
DECLARE @password SYSNAME='密码';
DECLARE @alias SYSNAME=@server;

EXEC SP_ADDLINKEDSERVER @alias,'','SQLOLEDB',@server;
EXEC SP_ADDLINKEDSRVLOGIN @alias,'false',NULL,@username,@password;

EXEC('SELECT * FROM [' + @alias + '].[master].[dbo].[sysdatabases]');
-- 或
SELECT * FROM 【别名】.[master].[dbo].[sysdatabases]  -- 别名建议带上中括号

EXEC SP_DROPLINKEDSRVLOGIN @alias,NULL;
EXEC SP_DROPSERVER @alias;