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- Take you to understand SQL injection (details)
- This article brings you knowledge about SQL injection. SQL injection is a behavior in which the server does not strictly verify the data sent by the client, resulting in the server's SQL statement being maliciously modified and successfully executed. I hope it will be helpful to everyone.
- SQL 11402 2022-01-04 18:45:13
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- What are the paging methods in SQL server?
- This article talks about the paging method of SQL server, using the SQL server 2012 version. In the following, pageIndex is used to represent the number of pages, and pageSize represents the records contained on one page. And the following involves specific examples, set the query page 2, each page contains 10 records.
- SQL 4049 2021-08-06 09:22:00
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- How to import sql files in sqlyog
- How to import sql files in sqlyog: first open the sqlyog software; then find the [Import] option on the toolbar; finally select the ".sql" file to import.
- SQL 12477 2021-07-15 15:38:38
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- What should I do if the SQL database cannot be connected?
- Solution: 1. Check whether tcp/ip is enabled and pay attention to the port number; 2. Check the network problem; 3. Use the telnet command to check the port situation; 4. Check the server item and whether the username and password are correct; 5. Check whether the server Allow remote connections; 6. Start two authentication modes.
- SQL 37019 2023-01-13 00:40:52
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- How to use PHP for database operations?
- The previous article introduced you to "Advanced PHP Practice - What are the member attributes of the file upload class?" ", this article continues to introduce to you how to use PHP for database operations, which has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
- SQL 3859 2021-06-22 11:12:05
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- What is the ole object in the database?
- The ole object in the database is integrated with desktop applications, and also defines and implements a mechanism that allows applications to "connect" to each other as software "objects" (data collections and functions that manipulate data). This connection mechanism and protocol is called It is the Component Object Model, or COM for short.
- SQL 21590 2023-01-13 00:40:52
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- How to set up a lookup list in access
- Setting method: First create a database, click the "Navigation Pane" icon button on the left side of the page; then select the specified data table, right-click the mouse, and select "Design View"; then select the specified field, and select "Lookup Wizard" for "Data Type"; Finally, click "Type the required value yourself", enter the specified type, and save the changes.
- SQL 27697 2023-01-13 00:40:52
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- How to convert mdb files to excel
- Conversion method: First open the file that needs to be operated and select the specified table; then right-click the mouse, select "Export" in the pop-up right-click menu, and click "Excel"; then select the specified file format in the pop-up "Export" menu and specify Name and specify the location; finally click the "Finish" button.
- SQL 25408 2023-01-13 00:40:51
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- What should I do if SQL cannot connect to the local server?
- Method: First log in to the client, find "Instance Name Protocol", enable "Named Pipes" and "TCP/IP"; then start "SQL Server"; finally open "SSMS", select "Database Engine", "local)\Instance Name" and "Windows Authentication", click "Connect".
- SQL 24783 2023-01-13 00:40:51
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- How access establishes relationships between tables
- Method: 1. Establish a database; 2. Click the "View" icon on the toolbar and select "Relationship" to open the window; 3. Select the added table in the "Add table to relationship" window and click "Add" to add the table. Go to the window, click "Close" after adding it to return to the relationship window; 4. Click the primary key in the table, make another table the same as it, and click "OK".
- SQL 47282 2023-01-13 00:40:51
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- How to delete a row in sql
- In SQL, you can delete a certain row of data through the DELETE method, using syntax such as "delete from ms_cf01 where brxm='Zhang San' and id='7598';", where "ms_cf01" indicates the table to which the data to be deleted belongs.
- SQL 39328 2023-03-17 14:17:34
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- Create student table using sql statement
- How to create a student table using sql statements: first open a new query in sql and create a new table; then enter the student number and name, and the type is represented by characters; then enter the gender, age, and major; finally click execute.
- SQL 40194 2023-01-13 00:40:51
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- What are the SQL delete statements?
- SQL delete statement: 1. The delete statement is used to delete rows in the table; 2. drop [delete table] deletes content and definitions, and releases space; 3. truncate [clears data in the table], deletes content, releases space but does not delete definition.
- SQL 207081 2023-01-13 00:40:51
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- Introduction to SQL triggers and their advantages and disadvantages
- In this tutorial, we will briefly cover the advantages and disadvantages of SQL triggers. A SQL trigger is a set of SQL statements stored in a database catalog. A SQL trigger is executed or fired whenever an event associated with a table occurs, such as an insert, update, or delete.
- SQL 4617 2021-03-19 11:17:58
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- Are you sure SQL injection is dead?
- For a long time, I thought that the most common security problem in back-end development was SQL injection. Through the magical SQL writing method of where 1=1, you can easily attack a problematic system, and eventually evolve into the existence of artifacts such as sqlmap.
- SQL 2612 2021-03-15 09:46:02
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