SQLServer数据库实用SQL语句

Warning (2): Undefined array key "nsort" [ROOT/plugins/Kuhuang/templates/Websites/view.php, line 430]

          <div class="info"> 
            <span><a href="<?php echo $website_info[0]["nsort"]["nsort_url"];?>"><i class="fa fa-columns"></i><?php echo $website_info[0]["nsort"]["nsort_name"];?></a></span> 
            <span><i class="fa fa-clock-o"></i><?php echo $website_info[0]["submission_date"];?></span>

include - ROOT/plugins/Kuhuang/templates/Websites/view.php, line 430
Cake\View\View::_evaluate() - CORE/src/View/View.php, line 1184
Cake\View\View::_render() - CORE/src/View/View.php, line 1138
Cake\View\View::render() - CORE/src/View/View.php, line 769
Cake\Controller\Controller::render() - CORE/src/Controller/Controller.php, line 762
App\Controller\NewsController::view() - APP/Controller/NewsController.php, line 3938
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 539
Cake\Controller\ControllerFactory::handle() - CORE/src/Controller/ControllerFactory.php, line 140
Cake\Controller\ControllerFactory::invoke() - CORE/src/Controller/ControllerFactory.php, line 115
Cake\Http\BaseApplication::handle() - CORE/src/Http/BaseApplication.php, line 317
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 77
Cake\Http\Middleware\CsrfProtectionMiddleware::process() - CORE/src/Http/Middleware/CsrfProtectionMiddleware.php, line 164
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\I18n\Middleware\LocaleSelectorMiddleware::process() - CORE/src/I18n/Middleware/LocaleSelectorMiddleware.php, line 61
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\BodyParserMiddleware::process() - CORE/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73

Notice: file_put_contents() [function.file-put-contents]: Write of 2424 bytes failed with errno=28 No space left on device in /www/wwwroot/www.adminso.com/vendor/cakephp/cakephp/src/Log/Engine/FileLog.php on line 140

Warning (2): Trying to access array offset on value of type null [ROOT/plugins/Kuhuang/templates/Websites/view.php, line 430]Code Context          <div class="info"> 
            <span><a href="<?php echo $website_info[0]["nsort"]["nsort_url"];?>"><i class="fa fa-columns"></i><?php echo $website_info[0]["nsort"]["nsort_name"];?></a></span> 
            <span><i class="fa fa-clock-o"></i><?php echo $website_info[0]["submission_date"];?></span> 
include - ROOT/plugins/Kuhuang/templates/Websites/view.php, line 430
Cake\View\View::_evaluate() - CORE/src/View/View.php, line 1184
Cake\View\View::_render() - CORE/src/View/View.php, line 1138
Cake\View\View::render() - CORE/src/View/View.php, line 769
Cake\Controller\Controller::render() - CORE/src/Controller/Controller.php, line 762
App\Controller\NewsController::view() - APP/Controller/NewsController.php, line 3938
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 539
Cake\Controller\ControllerFactory::handle() - CORE/src/Controller/ControllerFactory.php, line 140
Cake\Controller\ControllerFactory::invoke() - CORE/src/Controller/ControllerFactory.php, line 115
Cake\Http\BaseApplication::handle() - CORE/src/Http/BaseApplication.php, line 317
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 77
Cake\Http\Middleware\CsrfProtectionMiddleware::process() - CORE/src/Http/Middleware/CsrfProtectionMiddleware.php, line 164
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\I18n\Middleware\LocaleSelectorMiddleware::process() - CORE/src/I18n/Middleware/LocaleSelectorMiddleware.php, line 61
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\BodyParserMiddleware::process() - CORE/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73

Notice: file_put_contents() [function.file-put-contents]: Write of 2448 bytes failed with errno=28 No space left on device in /www/wwwroot/www.adminso.com/vendor/cakephp/cakephp/src/Log/Engine/FileLog.php on line 140
">

Warning (2): Undefined array key "nsort" [ROOT/plugins/Kuhuang/templates/Websites/view.php, line 430]Code Context          <div class="info"> 
            <span><a href="<?php echo $website_info[0]["nsort"]["nsort_url"];?>"><i class="fa fa-columns"></i><?php echo $website_info[0]["nsort"]["nsort_name"];?></a></span> 
            <span><i class="fa fa-clock-o"></i><?php echo $website_info[0]["submission_date"];?></span> 
include - ROOT/plugins/Kuhuang/templates/Websites/view.php, line 430
Cake\View\View::_evaluate() - CORE/src/View/View.php, line 1184
Cake\View\View::_render() - CORE/src/View/View.php, line 1138
Cake\View\View::render() - CORE/src/View/View.php, line 769
Cake\Controller\Controller::render() - CORE/src/Controller/Controller.php, line 762
App\Controller\NewsController::view() - APP/Controller/NewsController.php, line 3938
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 539
Cake\Controller\ControllerFactory::handle() - CORE/src/Controller/ControllerFactory.php, line 140
Cake\Controller\ControllerFactory::invoke() - CORE/src/Controller/ControllerFactory.php, line 115
Cake\Http\BaseApplication::handle() - CORE/src/Http/BaseApplication.php, line 317
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 77
Cake\Http\Middleware\CsrfProtectionMiddleware::process() - CORE/src/Http/Middleware/CsrfProtectionMiddleware.php, line 164
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\I18n\Middleware\LocaleSelectorMiddleware::process() - CORE/src/I18n/Middleware/LocaleSelectorMiddleware.php, line 61
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\BodyParserMiddleware::process() - CORE/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73

Warning (2): Trying to access array offset on value of type null [ROOT/plugins/Kuhuang/templates/Websites/view.php, line 430]Code Context          <div class="info"> 
            <span><a href="<?php echo $website_info[0]["nsort"]["nsort_url"];?>"><i class="fa fa-columns"></i><?php echo $website_info[0]["nsort"]["nsort_name"];?></a></span> 
            <span><i class="fa fa-clock-o"></i><?php echo $website_info[0]["submission_date"];?></span> 
include - ROOT/plugins/Kuhuang/templates/Websites/view.php, line 430
Cake\View\View::_evaluate() - CORE/src/View/View.php, line 1184
Cake\View\View::_render() - CORE/src/View/View.php, line 1138
Cake\View\View::render() - CORE/src/View/View.php, line 769
Cake\Controller\Controller::render() - CORE/src/Controller/Controller.php, line 762
App\Controller\NewsController::view() - APP/Controller/NewsController.php, line 3938
Cake\Controller\Controller::invokeAction() - CORE/src/Controller/Controller.php, line 539
Cake\Controller\ControllerFactory::handle() - CORE/src/Controller/ControllerFactory.php, line 140
Cake\Controller\ControllerFactory::invoke() - CORE/src/Controller/ControllerFactory.php, line 115
Cake\Http\BaseApplication::handle() - CORE/src/Http/BaseApplication.php, line 317
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 77
Cake\Http\Middleware\CsrfProtectionMiddleware::process() - CORE/src/Http/Middleware/CsrfProtectionMiddleware.php, line 164
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\I18n\Middleware\LocaleSelectorMiddleware::process() - CORE/src/I18n/Middleware/LocaleSelectorMiddleware.php, line 61
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73
Cake\Http\Middleware\BodyParserMiddleware::process() - CORE/src/Http/Middleware/BodyParserMiddleware.php, line 157
Cake\Http\Runner::handle() - CORE/src/Http/Runner.php, line 73

--查看指定表的外键约束select*fromsysobjectswhereparent_objin(selectidfromsysobjectswherename='表名')andxtype='PK'--查看所有表select*fromsysobjectswherextype='PK'--删除列中含数字的deletenewswherepatindex('%[0-9]%',title)>0--删除删去字段title值重复的行，且只保留id较小的这个deletenewswhereexists(select1fromnewstwheret.title=news.titleandt.id<news.id)--查看数据库信息select*fromsys.databaseswherename='master'1.按姓氏笔画排序:Select*FromTableNameOrderByCustomerNameCollateChinese_PRC_Stroke_ci_as2.分页SQL语句select*from(select(row_number()OVER(ORDERBYtab.IDDe

--查看指定表的外键约束
select * from sysobjects where parent_obj in(
select id from sysobjects where name='表名')
and xtype='PK'
--查看所有表
select * from sysobjects where xtype='PK'
--删除列中含数字的
delete news where patindex('%[0-9]%',title)>0
--删除删去字段 title值重复的行，且只保留 id 较小的这个
delete news where exists(select 1 from news t where t.title=news.title and t.id<news.id)
--查看数据库信息
select * from sys.databases where name='master'
1.按姓氏笔画排序:
Select * From TableName Order By CustomerName Collate Chinese_PRC_Stroke_ci_as
2.分页SQL 语句
select * from(select (row_number() OVER (ORDER BY tab.ID Desc)) as rownum,tab.* from 表名 As tab) As t where rownum between 起始位置 And 结束位置
3.获取当前数据库中的所有用户表
select * from sysobjects where xtype='U' and category=0
4.获取某一个表的所有字段
select name from syscolumns where id=object_id('表名')
5.查看与某一个表相关的视图、存储过程、函数
select a.* from sysobjects a, syscomments b where a.id = b.id and b.text like '%表名%'
6.查看当前数据库中所有存储过程
select name as 存储过程名称 from sysobjects where xtype='P'
7.查询用户创建的所有数据库
select * from master..sysdatabases D where sid not in(select sid from master..syslogins where name='sa')
或者
select dbid, name AS DB_NAME from master..sysdatabases where sid <> 0x01
8.查询某一个表的字段和数据类型
select column_name,data_type from information_schema.columns
where table_name = '表名'
9.使用事务
在使用一些对数据库表的临时的SQL语句操作时，可以采用SQL SERVER事务处理，防止对数据操作后发现误操作问题
开始事务
Begin tran
Insert Into TableName Values(…)
SQL语句操作不正常，则回滚事务。
回滚事务
Rollback tran
SQL语句操作正常，则提交事务，数据提交至数据库。
提交事务
Commit tran
10. 按全文匹配方式查询
字段名 LIKE N'%[^a-zA-Z0-9]China[^a-zA-Z0-9]%'
OR 字段名 LIKE N'%[^a-zA-Z0-9]China'
OR 字段名 LIKE N'China[^a-zA-Z0-9]%'
OR 字段名 LIKE N'China
11．计算执行SQL语句查询时间
declare @d datetime
set @d=getdate()
select * from SYS_ColumnProperties select [语句执行花费时间(毫秒)]=datediff(ms,@d,getdate())
12、说明：几个高级查询运算词
A： UNION 运算符
UNION 运算符通过组合其他两个结果表（例如 TABLE1 和 TABLE2）并消去表中任何重复行而派生出一个结果表。当 ALL 随 UNION 一起使用时（即 UNION ALL），不消除重复行。两种情况下，派生表的每一行不是来自 TABLE1 就是来自 TABLE2。
B： EXCEPT 运算符
EXCEPT 运算符通过包括所有在 TABLE1 中但不在 TABLE2 中的行并消除所有重复行而派生出一个结果表。当 ALL 随 EXCEPT 一起使用时 (EXCEPT ALL)，不消除重复行。
C： INTERSECT 运算符
INTERSECT 运算符通过只包括 TABLE1 和 TABLE2 中都有的行并消除所有重复行而派生出一个结果表。当 ALL 随 INTERSECT 一起使用时 (INTERSECT ALL)，不消除重复行。

标签: SQLServer 数据库实用 SQL 语句

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