frog database

Tips | data | Database Frog Frog recommended: Organize some SQL database skills, paste How to delete a column in a table that repeats, for example Table [table1] ID Name 1 AA 2 BB 3 cc 1 AA 2 BB 3 cc I think the last watch is like this. ID Name 1

Frog frog recommendation: I sorted out some SQL database skills and posted them. 1. How to delete columns with repeated fields in a table? For example:Table [Table1]ID name1 aa2 bb3 cc1 aa2 bb3 ccI think the last table is like this.ID name1 aa2 bb3

Frog frog recommendation: basic database drill code in Asp.netThe database operation methods for each programming language are different from those for database operations. Being familiar with database operations for Asp.net is the first thing that

ASP.net has known Microsoft's asp.net for a while, and feels that ASP.net does have a significant improvement in functionality and performance over ASP (I've been writing an ASP program) and summed up some of the content here to share with you.

Frog Frog recommended: Organize some SQL database skills, paste How to delete a column in a table that repeats, for example Table [table1] ID Name 1 AA 2 BB 3 cc 1 AA 2 BB 3 cc I think the last watch is like this. ID Name 1 AA 2 BB 3 cc Reply: Save

Cache In order to improve the performance of the home page, the home page usually needs to call the database to display data in the first attempt to invoke data from the cache, If there is no data available in the cache and then open the database to

Condition | combination Query Frog Frog Recommendation: Multi-conditional combination query implementation in ASP Multi-conditional combination query is very useful in many places, this paper uses a simple example to implement a combination

Frog frog recommendation: even a user management system Because there are many codes, just paste them and add the user's code. I separated the presentation layer from the business logic layer and created a cls_user class to manage users in a

Frog frog consultation: how to solve the problem of dynamic table joiningThe problem is that I want to extract records from the database and output the following form of tables, that is, a table is generated for every four record sets, and each

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