Statements to view tables in mysql

MySQL provides a variety of statements for viewing table information: View table structure: DESCRIBE table name View table data: SELECT * FROM table name View table information: SHOW TABLE STATUS LIKE "Table name" View table index: SHOW INDEX FROM table name to view table constraints: SHOW CREATE TABLE table name

MySQL view table statement

MySQL provides many statements to view various information about the table. The most commonly used statements are as follows:

1. View the table structure

<code class="mysql">DESCRIBE <表名>;</code>

This statement displays the column name, data type, whether null values ​​are allowed and other information of the table.

2. View the data in the table

<code class="mysql">SELECT * FROM <表名>;</code>

This statement displays all columns of all rows in the table.

3. View table information

<code class="mysql">SHOW TABLE STATUS LIKE "<表名>";</code>

This statement displays detailed information about important information about the table, such as table size, number of rows, table engine, etc.

4. View table indexes

<code class="mysql">SHOW INDEX FROM <表名>;</code>

This statement displays all indexes created on the table.

5. View table constraints

<code class="mysql">SHOW CREATE TABLE <表名>;</code>

This statement displays the complete SQL statement used to create the table, including all constraints.

These statements can help you understand the structure, content, and configuration of the table. By using these statements, you can track the tables in the database and ensure that they are functioning properly.

The above is the detailed content of Statements to view tables in mysql. For more information, please follow other related articles on the PHP Chinese website!