peoplesoft database tables

To clear data from all tables in a database, run the following command: execsp_MSforeachtableTRUNCATETABLE? **************************************** * ******************************* About sp_MSforeachtable and sp_MSforeachdb1) description: sp_MSforeachta To clear data from all tables in a database, run the following c

It is convenient to delete all data tables in the database and clear the database. There are some constraints that cannot be deleted directly. You need to delete the constraints in the database first. The Code is as follows: -- Delete all constraintsDeclare C1 cursorSelect 'alter table ['+ object_name (parent_obj) +']

experience is also out O (∩_∩) o haha ~ Two. Add the index again after the high concurrency test: The database index SQL statement is as follows: Here I have a question, last week I added index for half an hour I did not add the index I stopped, this afternoon only took 551 seconds to add up the index ... I don't understand. Clean down the project code and run again (try to remove the cache as often as possible, otherwise the results will vary): Ha

When we update and maintain the website, it may be a headache to delete tables in the same database. Today we will explain it to you in detail.The PHP code for deleting a database table is as follows: Function deldata ($ dbname, $ tableflag ){ $ Db_host = 'localhost '; $ Db_port = '000000 '; $ Db_user = 'user '; $ Db_pass = 'Password '; $ Connect =

composite index for these columns to improve the query efficiency. Clustered index: To improve the query efficiency of SQL statements on data tables, you can create a clustered index for data tables. The order of index items in the clustered index is consistent with the physical order of data records in the data table. You can create only one clustered index in each data table. The clustering index order i

. The anti-paradigm design changes the space for time to avoid join. Some join operations can be implemented using code without the need to use databases; 1. Only the required data is returned. To return data to the client, you must at least extract data from the database, transmit data over the network, receive data from the client, and process data from the client. If no data is returned, it will increase invalid labor on servers, networks, and clie

Tags: mysq hashing method Record font Mooc summarize different database tablesHorizontal splitting of database tables to optimize database structure Each table structure after a horizontal split is the same, helping to solve the problem of too many single-table records. Split method: 1 ID performs hash operation If spl

When developing, it is not necessary to use SQL to directly interact with the database, when the table names and field names in the database are used more. If you copy one every time you use it, the egg hurts. So consider making it a const constant. But there are quite a few tables and fields in the database, one knock

We open a database for analysis, and then click Analysis on the Tools menu, and the menu pops up with the table, performance, and document manager three commands. These three commands can be optimized for the appropriate content. 1, first of all to the table to optimize, click the "table" this command. Access begins to prepare the Table Analyzer Wizard, on the first page of the wizard, which provides us with a common problem when creating

Sometimes, a database has multiple accounts, including database administrators, developers, operations support personnel, and so on, there may be many accounts have relatively large permissions, such as the DDL operation Rights (create, modify, delete stored procedures, create, modify, delete tables, etc.), the account is more, management will be quite troublesom

In mysql, The mysql_list_tables usage syntax is used to display all tables, In the mysql tutorial, all tables will be displayed.Mysql_list_tables usage syntaxTo operate, Mysql_list_tables syntax Resource Mysql_list_tables(String $ Database[, Resource $ Link_identifier]) Look at a simple instance $ Dbname = 'mysql _ dbname '; If (! Mysql_connect ('mysql

How can I query two tables in the same database? For example, if the two tables are named "user" and "yong", how can I query the username and name fields of the table "user" and "yong" at the same time? How should I write SQL statements? Thank you for choosing SELECTcolumn_name (s) F. query the two tables in the same

1. Get all database names:Select name from Master .. sysdatabases order by name2. Get all table names:Select name from databasename .. sysobjects where xtype = 'U' order by nameXtype = 'U': indicates all user tables;Xtype = 's': indicates all system tables;3. Get all field names:Select name from syscolumns where id = object_id ('tablename ')Access: If the table e