describe table command in sql

This article describes how to use the describe command in MySQL. The describe command is mainly used to obtain information about tables or columns. For more information, see 1. the describe command is used to view detailed design information of a

Oracle SQL * plus is a client tool that interacts with oracle. In SQL * plus, you can run the SQL * plus command and the SQL * plus statement. The DML, DDL, and DCL statements we usually call are SQL * plus statements. After they are executed,

Summary of using the describe command in MySQL, 1. The describe command is used to view detailed design information of a specific table. For example, to view the design information of the guestbook table: describe guestbookdescribe ol_user userid 2.

SQL * Plus command (1) Introduction: Oracle SQL * Plus is a client tool for interacting with Oracle. In SQL * Plus, you can run the SQL * Plus command and the SQL * Plus statement. The DML, DDL, and DCL statements we usually call are SQL * Plus

This article uses six points to describe SQL lock usage overview. If you need to know about mssql locks, you can refer to this article for details. This article uses six points to describe SQL lock usage overview. If you need to know about mssql

SQL Study Notes (14) ------------ data table, SQL statement for creating a data table Operations on Data TablesBasic Database OperationsWith MySQL, you can choose between the three basic database table formats (version 3.23. When creating a table,

1. Execute an SQL script file SQL> Start file_name SQL> @ file_name We can save multiple SQL statements in a text file, so that when we want to execute all the SQL statements in this file, we can use any of the following commands, which is similar

30. Microsoft SQL Server ManagementAutomatic Setting of SQL ServerDatabase Maintenance PlanSummaryUsing appropriate settings and performing routine maintenance tasks in the database is the key to optimizing the server. This chapter describes the

Oracle SQL * plus is a client tool that interacts with oracle. In SQL * plus, you can run the SQL * plus command and the SQL * plus statement. The DML, DDL, and DCL statements we usually call are SQL * plus statements. After they are executed, they

From: http://www.2cto.com/database/201206/134514.html 0. Create a database tableMysql> create database if not exists my_db default charset utf8 COLLATE utf8_general_ci;# Pay attention to the following sentence "COLLATE utf8_general_ci", which