database

问题 I have a column in a table that contains random data along with phone numbers in different formats. The column may contain Name Phone Email HTML tags Addresses (with numbers) Examples: 1) Call back from +79005346546, Conversation started<br>Phone: +79005346546<br>Called twice Came from google.com<br>IP: 77.106.46.202 the web page address is xxx.com utm_medium: cpc<br>utm_campaign: 32587871<br>utm_content: 5283041 79005346546 2) John Smith 3) xxx@yyy.com 4) John Smith 8 999 888 77 77 How a

问题 every one. I want to connect a remote database using Sql Connection String in C#.net, I am trying it to do, but failed to connect. I am new to C#.net connections to the Database. Can any one pls tell me how to write the Connection String. 回答1: Check this website for the specific format: http://www.connectionstrings.com/ 回答2: Here is a little bit of code that will connect to a dabase called myDatabase on a server called myServer , query the myTable table for the column myColumn , and insert

问题 Here is my simple search bar for a uni assignment: <form name="search" method="post" action="phone_search.php"> <font size="5">Best Secondhand Mobile Phones Geelong</font> - Search the site: <input type="text" name="term" /> <input type="submit" name="search" value="Search" /> </form> Here is my php code which accesses an oracle server: echo "<h2>Results</h2>"; //Null string entered if ($term == "") { echo "You didn't enter anything!\n"; exit; } //Connect to database $dbuser = "xxxx"; $dbpass

问题 I have a 100 user documents in database, and I have to update one field to 0 in all documents. How do we do it? 回答1: Firestore doesn't offer a SQL-like "update where" command that updates everything at once, so you will have to: Query for the documents to update Iterate each DocumentSnapshot and get its DocumentReference object using the reference property For each document, update the field with its new value 回答2: Try doing the following Query the documents to update Go through each

问题 I have a 100 user documents in database, and I have to update one field to 0 in all documents. How do we do it? 回答1: Firestore doesn't offer a SQL-like "update where" command that updates everything at once, so you will have to: Query for the documents to update Iterate each DocumentSnapshot and get its DocumentReference object using the reference property For each document, update the field with its new value 回答2: Try doing the following Query the documents to update Go through each

问题 With reference to this question (How to get the sum in a joined table when using group by - getting wrong results) I have two tables orders and order_items . I need to group the results by days. But I also need to get the sum of energy_used for each day from another table. When I try that using a join, I get wrong order_sum for each day (they are not being summed up). Not sure what I am doing wrong. I would like to get for each day the sum of order_items.energy_used for all orders created

问题 With reference to this question (How to get the sum in a joined table when using group by - getting wrong results) I have two tables orders and order_items . I need to group the results by days. But I also need to get the sum of energy_used for each day from another table. When I try that using a join, I get wrong order_sum for each day (they are not being summed up). Not sure what I am doing wrong. I would like to get for each day the sum of order_items.energy_used for all orders created

问题 I have come a long way in structuring into the following mongodb data collection, but i couldn't finish the aggregation stage, { "test": [ { "_id": "60014aee808bc5033b45c222", "name": "a rogram", "companyName": "company NAme", "website": "https://www.example.comn", "loginUrl": "https://www.example.comn", "description": null, "createdBy": "5fe5cbcdb9ac0f001dccfadf", "createdAt": "2021-01-15T07:57:34.499Z", "updatedAt": "2021-01-15T13:09:09.417Z", "__v": 0, "address": null, "affiliatePlatform":

问题 I have come a long way in structuring into the following mongodb data collection, but i couldn't finish the aggregation stage, { "test": [ { "_id": "60014aee808bc5033b45c222", "name": "a rogram", "companyName": "company NAme", "website": "https://www.example.comn", "loginUrl": "https://www.example.comn", "description": null, "createdBy": "5fe5cbcdb9ac0f001dccfadf", "createdAt": "2021-01-15T07:57:34.499Z", "updatedAt": "2021-01-15T13:09:09.417Z", "__v": 0, "address": null, "affiliatePlatform":

问题 I want to deploy .net application on client machine.I don't know how to protect my database from from windows authentication. I want to access my database only from defined sqlserver authenticated user. I am Using sqlserver 2008 R2. 回答1: From MSDN discussion: You cannot disable Windows Authentication on SQL Server. In fact, SQL Server recognizes two modes of security: 1) Windows Authentication 2) SQL Server AND Windows Authentication There's a way out, however. Users of the Adminstrators