Oracle FOREIGN KEY (Foreign key) cascade Delete (delete CASCADE)TargetExamples of how to use cascading deletions in Oracle foreign keysWhat is cascading delete (DELETECASCADE)? Cascade Delete is when a record in the primary table (parent table) is deleted, and the associated record in the child table is automatically d
Here are some of the information found online to solve this problem:Get this job_id first:USE [msdb]GO/****** Object: Job [dbbackup_diff.Subplan_1] Script Date: 04/08/2015 10:22:46 ******/@job_id=N‘588acfb8-630b-41c3-aa47-90d3671bda90‘@delete_unused_schedule=1GOAccording to job_id to subplan_id:select subplan_id FROM msdb.dbo.sysmaintplan_subplans where job_id=‘588acfb8-630b-41c3-aa47-90d3671bda90‘subplan_idFE56B397-4704-4AA7-BE49-767C1574E7D0Remove subplan_id from system tables Msdb.dbo.sys
One, delete a single macro
1, on the Tools menu, point to Macro submenu, and then click Macros.
2. In the Macro name box, click the macro (macro: an action or a set of actions that you can use to automate tasks.) You can record macros in the Visual Basic for Applications programming language. ) is named.
If the macro does not appear in the list, select a different document or template template: refers to one or more files that contain structures an
To delete the QQ bound account number We just install QQ Mail Mobile phone version and then open to enter, click on the right side of the three points can be a step-by-step operation, specific details as shown below.
1. Click on mobile QQ mailbox top right-hand Corner "... 】
2. Select the "Settings" option, as shown below
3. Click on the first line of the account
4. Click "Delete Ac
The first step: Pay treasure friend function at the top of a portrait icon, such as we open mobile phone in the phone Alipay app, click Pay Treasure Home page of the villain icon.
Step Two: Then here you will see your Alipay contact list and click the buddy bar you want to delete.
The third step: This still cannot delete, we in the personal details interface we click in the upper right corner of
Video Chat message removal method is very simple to enter the chat message interface and then slide left to delete, this method is also very popular in the app Oh.
1, open the live broadcast, click on the upper right corner of the "button", and then to delete the chat message to the left to pull
2, click "Delete" can
The deletion of this mess
1 in the Millet Mobile desktop We click "Settings" to enter after the "Contact" button click to enter (as shown below)
2 in the Contact interface, we click "Contact finishing" to enter and then click "Bulk Delete Contact" Open entry effect is as follows: (as shown below)
3) Now we select the contact to delete, then click "Delete" after the pop
Win10 Pagefile.sys How to delete? In the WIN10 system, there is a user response C disk or multiple disks exist a file named Pagefile.sys, very large, what is the file, you can delete it? Pagefile.sys is a virtual memory file in Windows system, which can improve the speed and stability of system by establishing virtual memory in the system. So small series is not recommended to
Label:MYSQL-HHOSTNAME-PPORT-UUSERNAME-PPASSWORD-E mysql-related SQL statements without running MySQL at the prompt of MySQL, which means you can manipulate MySQL in the shell. #!/bin/Bash HOSTNAME="192.168.111.84"#数据库信息 PORT="3306"USERNAME="Root"PASSWORD=""DBNAME="test_db_test"#数据库名称 TABLENAME="test_table_test"#数据库中表的名称 Create a database Create_db_sql="CREATE database IF not EXISTS ${dbname}"
-h${hostname} - P${port} -u${username}-p${password}-e"${create_db_sql}" Create a table Create_tabl
We all know that new and delete, new [] and delete [] must be used in pairs, but not everyone knows what the difference between Delete and delete.
Some people may say that delete is not the object to be deleted, but delete is the
I have been not familiar with the differences between Delete and delete [] in C ++. Today I encountered it. I checked it online and reached a conclusion. Make a backup to avoid loss. C ++ tells us to use Delete to reclaim the memory space of a single object allocated with new, delete [] is used to reclaim the memory sp
1. In C #, if you want to delete a row in a DataTable, there are approximately the following options:
• Use DataTable.Rows.Remove (DataRow), or DataTable.Rows.RemoveAt (index); You can delete rows directlyDataTable. Rows[i]. Delete (). The DataTable is required after Delete (). The Acceptechanges () method confirms a
Question: In a sorted list, how to delete duplicate nodes. For example, the following figure:
The detailed implementation code is as follows:
Delete duplicate node void deleteduplication (listnode** phead) {if (Phead = = NULL | | *phead = NULL) return;
listnode* Pprenode = NULL;
listnode* pnode = *phead;
while (Pnode!= NULL) {ListNode *pnext = pnode->m_pnext;
BOOL Needdelete = fals
Ideas: Define four nodes, the front node prenode, the current node node, the next node NextNode, delete node Delnode, in the face of the deletion node to ensure that the Prenode connection nextnode to prevent fracture.
public static void Deleteduplication (Listnote root) {if (root==null) {return; Listnote prenode=null;//Front node Listnote node=root;//current node while (node!=null) {listnote NE
Xtnode=node.getnext ();//Next node Boolean needdelete=f
1 we log on the computer "ICloud" (this requires an Apple ID Oh, if not can register an Apple ID: Recommended reading: Apple ID registration method diagram)
2 OK, we can use the Apple ID login, after login, we click "ICloud" to select "Address Book"
3 then we open in the "Address book" We find the "Settings" button, in the lower right solution.
4 OK now I want to click "Select All" all correspondence record, then click "Delete" click
1, we open the "software" on the phone to enter the software and then click on the upper left corner of the three-horizontal, as shown in the following figure.
2, and then in the open into the interface we click on More pages, click on the local work effect as shown in the following figure, details are as follows.
3, after we find "local works" to delete the works, we click on it as follows.
4, and then in the video preview page
1 We click on the mobile Phone "Universal K song" Into the interface and find the "my" button. (pictured below)
2 then click the "background image" in the new interface and click on the "Edit" button to enter the album. (pictured below)
2 You can choose to delete the photo after clicking on the "delete" in the upper right corner, click "Delete"
1 mobile phone does not have this function we only use a third-party tool, we in the App store to download a QQ Address book software installed in the Apple 5s phone.
2 and then we enter the "QQ Address Book"-"Contact" and then in the QQ address Book will see you the contact person in the Apple phone, we again click on the "..." Menu bar
3 after the open "menu bar" to find "bulk Delete contact" and then click, the specific action shown in the fo
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.