For example, we can get information about column names, their data types, default values, etc. Execution plan is the information and explanation on how the MySQL would execute the SQL Query. A MySQL role is a named collection of privileges. The syntax is as follows: DESCRIBE TableName. The DESCRIBE or the DESC keyword and EXPLAIN statements are synonyms in MySQL. Oct 3, 2017 · I have a sizeable table that I'm actively working on and modifying columns of. October 11, 2023. SHOW COLUMNS FROM table_name; Code language: SQL (Structured Query Language) (sql) 要显示表的列,请在 SHOW COLUMNS 语句的 FROM 子句中指定表名。. columns. columns WHERE table_name = 'metrics' AND table_schema = '' -- Optionally, filter the schema as well, to avoid conflicts Table column information is also available from the INFORMATION_SCHEMA COLUMNS table. SELECT statement to query the column_names,datatype,character maximum length of the columns table in the information_schema database; See Section 15. MySQL - ALTER TABLE Statement - The Alter TABLE statement of MySQL helps to perform changes on a table. MySQL. 4. This post deals with the DESCRIBE function and the next MySQL post looks at the INFORMATION_SCHEMA. COLUMNS. Jul 22, 2016 · 1. This statement is not supported for views. You can use it to describe a table with the query below: 1 SELECT 2 column_name, 3 data_type 4 FROM 5 information_schema. DESCRIBE ステートメントと EXPLAIN ステートメントはシノニムであり、テーブル構造またはクエリー実行計画に関する情報を取得するために使用されます。. EXPLAIN works with SELECT , DELETE , INSERT , REPLACE, and UPDATE statements. How can I do this? 6 days ago · How to Create Table in MySQL. Connect to your server. To retrieve entire information of a table, we use DESCRIBE, DESC or SHOW COLUMNS statements. So, DESC is short cut of DESCRIBE and DESCRIBE is short cut for SHOW COLUMNS. Step 1. Use the DESCRIBE command on the bio_data table using the OOP version of mysqli_query. Jun 5, 2024 · Hence the Information table is successfully created using the MYSQL Workbench. SHOW CREATE TABLE mytable; This shows you the SQL statement necessary to receate mytable in its current form. Sep 12, 2023 · This view contains information about all columns of any table in the database. `COLLATION_CHARACTER_SET_APPLICABILITY` CCSA. e. You can use COLUMNS table of INFORMATION_SCHEMA to get expected result as an alternate solution of DESCRIBE table option. mysql> SHOW CREATE TABLE t\G. [Table_Name] = @tableName DESCRIBE provides information about the columns in a table. Tutorial. MySQL Show Columns Statement. A number of alternative statements are available in MySQL for describing a table, such as desc, which is the shorthand version of describe. The DESC is the short form of DESCRIBE command and used to dipslay the information about a table like column names and constraints on column name. An index is a data structure that improves the speed of operations on a database table. The MySQL SELECT DISTINCT Statement. 21. This statement is a shortcut for the SHOW columns statement (they both retrieve the same information from a table). Many alternative statements are available in MySQL for describing the table, such as desc, which is the short name of the describe, and show columns internally used by the describe query itself. columns table has the info you need. For more information, see Section 15. To find out which database is currently selected, use the DATABASE() function: If you have not yet selected any database, the result is NULL . ) If Key is MUL, the column is the first column of a EXPLAIN works with SELECT , DELETE , INSERT , REPLACE, and UPDATE statements. WHERE table_name = 'table1'. To describe the table using mysqli_query, we’ll write PHP code that will do the following. select TABLE_SCHEMA , TABLE_NAME , TABLE_TYPE , TABLE_R Jan 25, 2024 · The DESCRIBE statement is a simple and quick way to view the basic structure of a table, providing a set of essential details for each column such as field type, nullability, default values, and primary or unique keys. This statement also works with views. 22 SHOW INDEX Statement. All of these statements of MySQL can be used to retrieve/display the description of all the columns of a table, as they all retrieve the same result-sets. The EXPLAIN keyword is used to obtain the SQL Query execution plan. 5. Dec 9, 2023 at 17:42. The DESCRIBE and EXPLAIN statements are synonyms. Fetch the result using fetch_all. Jun 3, 2023 · MySQL provides the functionality to describe the table using the DESCRIBE statement. You want a table that contains a record for Feb 16, 2024 · In MySQL we can use the DESCRIBE statement to get information about table structure in the database, or to obtain a query execution plan for a query. SCHEMATA. Mar 24, 2014 · 1. To use this statement, you must have some privilege for the table. That is, MySQL explains how it would process the statement, including information about how tables are joined and in which order. edited Jan 22, 2009 at 9:02. [{FROM | IN} db_name] [WHERE expr] SHOW INDEX returns table index information. id select_type table type possible_keys key key_len ref rows Extra. DATABASES, which lists the databases managed by the server. For Schemas (or Databases - they are synonyms): SELECT default_character_set_name FROM information_schema. 1 SIMPLE customer ALL NULL NULL NULL NULL 2. The SHOW CREATE TABLE statement can be used to retrieve the CREATE TABLE statement to reproduce this table. cool. In practice, the DESCRIBE keyword is more often used to obtain information about table structure, whereas EXPLAIN is used to obtain a query execution plan (that is, an explanation of how MySQL would execute a query). The following example demonstrates how to display columns of the orders table in the classicmodels database. If Key is UNI, the column is the first column of a UNIQUE index. DESCRIBE name_of_table; Jun 28, 2022 · I'm doing table analysis to understand each table column in a database. Dec 4, 2023 · Understanding The Output. . AND TABLE_SCHEMA = 'your_database_name'. The first is using DESCRIBE and the second by querying the INFORMATION_SCHEMA. Sep 13, 2021 · So, that’s how you can describe a table in SQL Server: Use the sp_help procedure; Use the sp_columns procedure; Select from information_schema. To find out what Sep 2, 2022 · Using DESCRIBE statement. Syntax Of Describe Table. 3. Create an example table: CREATE TABLE emp (id NUMBER NOT NULL PRIMARY KEY, fname VARCHAR(50), lname VARCHAR(50), location VARCHAR(100)); Describe the columns in the table: DESC TABLE emp; Describe the stage properties for the table: DESC TABLE emp TYPE = STAGE; Determine the masking policies set on the table columns: May 23, 2023 · Here's how I'd do it -. yourTable; This will produce a single row with to columns, the table name and the CREATE STATEMENT. 1. Let's look at a selection from the "Orders" table: Then, look at a selection from the "Customers" table: Notice that the "CustomerID" column in the "Orders" table refers to the "CustomerID" in the "Customers" table. 2 Creating a Table. Mar 24, 2014 at 1:02. SQLite is a popular open-source database that is easy to use and ideal for small, embedded database applications. The docs for mysql describe nor explain mention anything about sorting. DESCRIBE Command. FROM database_name. Once the table is created, you can verify it by using the “ DESCRIBE ” command in the MySQL Command Line Client. SHOW COLUMNS. MySQL addresses this problem through several statements that provide information about the databases and tables it supports. 5, “SHOW COLUMNS Statement”, and Section 15. 6. Try this: SELECT COLUMN_NAME AS `Field`, COLUMN_TYPE AS `Type`, IS_NULLABLE AS `NULL`, COLUMN_KEY AS `Key`, COLUMN_DEFAULT AS `Default`, EXTRA AS `Extra`. MySQL 显示列命令. EXPLAIN SELECT *. -> id INT NOT NULL, -> first_name CHAR(30) NOT NULL, -> last_name CHAR(30) NOT NULL, -> UNIQUE (id), MySQL. Ray Ferrell. answered Oct 23, 2010 at 15:24. By utilizing this command, you can quickly retrieve information about the columns, data types, constraints, and indices associated with a specific table. -- DESCRIBE THE HECK OUT OF THE ENTIRE 'table_name' table in the 'database_name' database. table_name; SHOW FIELDS FROM db_name. CREATE TABLE [IF NOT EXISTS] `TableName` (`fieldname` dataType [optional parameters]) ENGINE = storage Engine; HERE. To get the column names of a table in MySQL, you can use the SHOW COLUMNS FROM command. FROM information_schema. The DESCRIBE or DESC command in MySQL is a useful way to retrieve information about a table's structure, including column names, data types, and constraints. Please try the following command: describe `group`; Please avoid using reserved keywords for table and column names. Adrian Smith. MySQL is ideal for both small and large applications. A JOIN clause is used to combine rows from two or more tables, based on a related column between them. Take an example, first we will create a table then get it described: mysql> CREATE TABLE tbl_name. 00 sec) The harder part is deciding what the structure of your database should be: what tables you need and what columns should be in each of them. The DESCRIBE command is equivalent to the following command −. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java The EXPLAIN statement provides information about how MySQL executes statements. 6, “SHOW COLUMNS Statement”, and Section 15. MySQL is a widely used relational database management system (RDBMS). How to describe a table in MySQL? MySQL provides DESCRIBE statement for this purpose. In MySQL, there are two methods to describe a table: the DESCRIBE command or the SHOW COLUMNS command. table_name, example: SHOW FIELDS FROM table_name FROM db_name This gives something like : CHECKSUM TABLE reports a checksum for the contents of a table. columns . [COLUMN_NAME], 'IsIdentity') AS [identity] FROM INFORMATION_SCHEMA. The code to describe tables owned by the user is select * from user_tables; How to do it in MYSQL workbench? Nov 19, 2018 · DESC table_name; Those describe statements above show the columns in the table and all their attributes such as name, data type, collation, Nullability, Primary key, default, comment, etc. This query will give you much more information than the describe statement: SELECT * FROM information_schema. 1, “DESCRIBE Statement”, for more information. The following SQL statement selects all the columns from the "Customers" table, sorted descending by the "CustomerName" column: The MySQL DESCRIBE statement is used to retrieve a table-related information, which consists of field names, field data types, and constraints (if any). See Section 15. You can see all the columns and their types (like DESC) but it also shows you constraint information (and table type, charset, etc. 5「SHOW COLUMNS ステートメント」 および 13. The DESCRIBE and EXPLAIN statements are synonyms, used either to obtain information about table structure or query execution plans. To show all columns of a table, you use the following steps: Login to the MySQL database server. These statements also display information for views. The SHOW CREATE TABLE, SHOW TABLE STATUS, and SHOW INDEX statements also provide information about tables. 1, “DESCRIBE Statement”. SELECT column_name, data_type. The WHERE clause can be given to select rows using more general 15. This statement requires some privilege for any column in the table. The SELECT DISTINCT statement is used to return only distinct (different) values. @JackDaniel's All database engines I'm aware of have synonyms (or shorts), and MySQL is no exception. [{FROM | IN} db_name] [LIKE 'pattern' | WHERE expr] SHOW TABLES lists the non- TEMPORARY tables in a given database. Shows the CREATE TABLE statement that creates the named table. 31. This is also known as show columns, which are internal to the describe query. Access your MySQL database using MySQL client tool or terminal. SHOW columns from yourTableName command. 요구 사항에 따라 MySQL에서 테이블 구조를 가져오는 다양한 방법을 사용할 수 있습니다. If you want to see the tables of the database. 要显示非当前数据库中的表的列,请使用以下形式 Jun 11, 2010 · MySQL will always output columns in their actual order — that is, the order they're physically stored in the table's data. Sep 20, 2008 · In psql command line tool, \d table_name or \d+ table_name to find the information on columns of a table. TABLES WHERE table_schema = 'my_database' AND table_type != "VIEW" ORDER BY table_name; – theglossy1. To describe a query execution plan. Dec 2, 2009 · In addition, removing the last where clause will show all columns for a database which are protected by unique constraints: SELECT. TABLES and get the collation for a specific table: SELECT TABLE_SCHEMA , TABLE_NAME , TABLE_COLLATION FROM INFORMATION_SCHEMA. table_name ; -- SHOW JUST THE COLUMN NAMES for 'table_name' table in the 'database_name Feb 8, 2023 · This is looking more and more like a bug. Mar 24, 2014 at 0:23. Feb 15, 2024 · Describe the Table With mysqli_query in PHP. It lists the tables in the output in the order that MySQL would read them while processing the statement. Indeed it is showing the octet length instead of the character length. SHOW [EXTENDED] {INDEX | INDEXES | KEYS} {FROM | IN} tbl_name. However, the DESCRIBE is often used to obtain table structure information. 11 SHOW CREATE TABLE Statement. answered Jan 22, 2009 at 8:56. See Section 24. They are a special type of lookup tables pointing to the data. MySQL's information_schema. TABLES WHERE TABLE_NAME = 't_name'; that gives a much more readable output in contrast to SHOW TABLE STATUS that contains a lot of irrelevant information. Mar 16, 2020 · CREATE TABLE table2(colname varchar(100), coltype varchar(100)); CREATE TABLE table1(col1 varchar(100), col2 int); INSERT INTO table2. 1 DESCRIBE Statement. The developers noticed that when describe table we see different behaviour compare with previous ODBC which was 5. This statement is essential for understanding the schema of a table, including its columns, data types, and constraints. DESCRIBE products; will give: May 27, 2017 · To get the whole database structure as a set of CREATE TABLE statements, use mysqldump: mysqldump database_name --compact --no-data. table_name; SHOW COLUMNS FROM db_name. Instead of DESCRIBE or DESC, you can use EXPLAIN statement which works the same: EXPLAIN table_name; 2. It provides details like column names, data types, whether a column can be NULL, and other attributes of the table. `TABLES` T, information_schema. CONSTRAINT_NAME LIKE 'UNIQ%'. PREV HOME UP NEXT. ). You want a table that contains a record for each of your pets. Indexes can be created on one or more columns, providing the basis for both rapid random lookups and efficient ordering of access to records. You can query INFORMATION_SCHEMA. To query the index information of a table, you use the SHOW INDEXES statement as follows: SHOW INDEXES FROM table_name; Code language: SQL (Structured Query Language) (sql) To get the index of a table, you specify the table name after the FROM keyword. Summary: in this tutorial, you will learn how to show columns of a table by using the DESCRIBE statement and MySQL SHOW COLUMNS command. Aug 22, 2016 · In oracle, user tables is a collection of tables created and contain user information. Get the keys for the first row. The LIKE clause, if present, indicates which table names to match. 38 SHOW TABLES Statement. 이 튜토리얼을 작성하는 동안 MySQL 8. 13. For single tables, add the table name after db name in mysqldump. Aug 1, 2009 · EXPLAIN db_name. Using DESCRIBE statement. Oct 11, 2023 · SQLite Describe Table: Understanding Table Schema. When EXPLAIN is used with an explainable statement, MySQL displays information from the optimizer about the statement execution plan. Sep 18, 1996 · MySQL Joining Tables. Open MySQL Command Line Client. 28 버전을 사용했습니다. The ODBC driver installed is 8. -> (. The more SQL standard confirm SQL query which uses information_schema database and this views. You can use this commands : use database_name; show tables; mysqldump 유틸리티, DESCRIBE, SHOW TABLES 및 SHOW CREATE TABLE 문을 사용합니다. This section describes some of the important characteristics of the MySQL Database Software. Step 2. Introduction to MySQL SHOW INDEXES command. The format resembles that of the SQLStatistics call in ODBC. Switch to a specific database. Nov 30, 2022 · In MySQL, whenever we want to see the structure of the entire table then in such case, we can use DESCRIBE statement. You can also use the DESCRIBE command to get the same information: DESC is a short form of DESCRIBE. You get the same results with SQL and SHOW CREATE TABLE: SHOW CREATE TABLE table; Or DESCRIBE if you prefer a column listing: The DESCRIBE and EXPLAIN statements are synonyms. This enables assignment of sets of privileges to accounts and provides a convenient The DESCRIBE and EXPLAIN statements are synonyms. EXPLAIN returns a row of information for each table used in the SELECT statement. PersonID int, LastName varchar(255), FirstName varchar(255), Address varchar(255), City varchar(255) Start the Exercise. columns 6 WHERE 7 table_name = '<table_name>'; Replace with the name of the table you want to describe. Describe is a shortcut of SHOW COLUMNS FROM. SHOW CREATE TABLE tbl_name. An SQL developer must decide what type of data that will be stored inside each column when creating a table. Step 6: Verification in the Command Line. To get a list of tables on the database, use this SQL statement: SHOW TABLES. 詳細は、 セクション13. [TABLE_NAME]), [column]. 2. Description : DESC and DESCRIBE are aliases to SHOW COLUMNS . There are at least two ways to get a MySQL table’s structure using SQL queries. In MySQL 8. Following query drops the foreign key fk of the table employee −. Like user accounts, roles can have privileges granted to and revoked from them. Suppose you are taking a walk in the city and you see a structure. mysql> SHOW INDEX FROM City\G. Single table (index or data stream) identifier or double-quoted multi-target pattern. To find out what tables the default database contains (for example, when you are not sure about the name of a table), use this statement: The Jul 2, 2018 · I use. You can add prefix to your table name like tbl_group. type Result struct { Field string Type string Null string Key string Default string Extra string } db. The DESC command is used to sort the data returned in descending order. Write the correct SQL statement to create a new table called Persons. You can also use EXPLAIN on a table name, in which case it will behave exactly like DESCRIBE. Feb 7, 2023 · I have upgraded mysql odbc in a server where Oracle 19c is running, we use this ODBC to access a remote MYSQL database. . Tables can be created using CREATE TABLE statement and it actually has the following syntax. In most respects, the roadmap applies to all versions of MySQL. 2) PostgreSQL DESCRIBE TABLE using information_schema. WHERE. In this guide, we’ll explore how to use the SHOW and DESCRIBE statements Dec 25, 2013 · 28. Using the DESCRIBE statement, MySQL provides functionality for providing information about a table. , two columns where column 1 contains the row's column-names and column 2 contains their values. 获取表中列的列表的更灵活的方法是使用 MySQL SHOW COLUMNS 命令。. The DESCRIBE statement (often abbreviated as DESC) is used in SQL to retrieve metadata about a specified table or view. Creating the database is the easy part, but at this point it is empty, as SHOW TABLES tells you: The harder part is deciding what the structure of your database should be: what tables you need and what columns should be in each of them. Although it looks more elegant, you don't need awk for this. Connect to the MySQL database server: mysql -u root -p Code language: SQL (Structured Query Language) (sql) Enter the root’s password and press enter to connect to the MySQL server. A user account can be granted roles, which grants to the account the privileges associated with each role. And less does the same as the non standard desc MySQL's clause, which was mentioned by Pawan Tiwari answer. 7, “SHOW Statements”. KEY_COLUMN_USAGE. 5. 1 DESCRIBE ステートメント. ; To use the DESCRIBE command, you need to log in to the MySQL server, select the database, and execute the command with the name of the table you want to describe. Nov 6, 2015 · To get a list of columns for a table, use the DESCRIBE SQL statement. SHOW COLUMNS FROM my_table; This will return a result set containing the column names of the my_table table. The following is the query that display If Key is PRI, the column is a PRIMARY KEY or is one of the columns in a multiple-column PRIMARY KEY. The DESCRIBE command is used to gain information about the table. The basic syntax of the DESCRIBE command is straightforward: DESCRIBE table_name; Mar 23, 2011 · I used it as a basis to get all the descriptions of the tables within a database: SELECT table_name,table_comment FROM INFORMATION_SCHEMA. MySQL에서 테이블 구조 표시. You need to use backticks in the describe statement. A short form of the DESCRIBE command is DESC. 15. You can physically move columns around within your table so that the primary keys are first, though this will require MySQL to lock the table and rewrite its entire data in the new order. The following example Aug 25, 2017 · Group is a reserved keyword in MySql. character_set_name FROM information_schema. 2, “EXPLAIN Statement” . Connect to the database. It'd be handy if I could sort a describe table by Field name alphabetically to quickly find the definition for a column. 0. 10, “SHOW CREATE TABLE Statement”. 30 and later, SHOW COLUMNS includes the table's generated invisible primary key, if it has one, by default. The syntax for the DESCRIBE command is as follows: DESCRIBE table\_name; Here, table\_name is the name of the table for which you want to get the detailed information. SQL> desc "lecturas"@mysql_t. For more information, see Section 13. 5, “SHOW COLUMNS Statement”, and Section 13. This statement requires the SELECT privilege for the table. The data type is a guideline for SQL to understand what type of data is expected inside of each column, and it also identifies how SQL will interact with the stored data. Using this statement, we can add, delete, or modify columns in an existing table and we can also rename it. – Riz. The metadata includes name of the columns, their types, key constraints and other information about each column of a MySQL table. Inside a table, a column often contains many duplicate values; and sometimes you only want to list the different (distinct) values. COLUMNS [column] WHERE [column]. 7. CONSTRAINT_NAME, TABLE_NAME, COLUMN_NAME. —. MySQL 8, which is one of the most popular database management systems, provides useful statements such as SHOW and DESCRIBE to facilitate this understanding. SQL LIKE pattern matching table names. Creating the database is the easy part, but at this point it is empty, as SHOW TABLES tells you: mysql> SHOW TABLES; Empty set (0. WHERE schema_name = "mydatabasename"; For Tables: SELECT CCSA. FROM `customer`. That's almost never worthwhile. To easily get all the information the about the table, we only have to use DESCRIBE statement 15. The following example shows you how to list all the tables in the classicmodels database. It displays column names and the data type of every column along with the associated constraints. Examples. Dec 21, 2016 · With gorm you can perform a custom query and get her return in a struct, the following is an example of how to show the description of table:. 8. Here the structure of a table means, what all constraints are applied to the column, and what is the data type of a particular column. You can't use desc or describe command to see the tables of a database. Type the DESCRIBE command followed by the table name. Syntax. In MySQL there are three main data types: string, numeric, and DESC. Jul 30, 2019 · The MySQL’s DESCRIBE or DESC both are equivalent. col_name can be a column name, or a string containing the SQL " % " and " _ " wildcard characters to obtain output only for the columns with names matching the string. DECLARE @tableName nvarchar(100) SET @tableName = N'members' -- change with table name SELECT [column]. Raw("DESCRIBE TABLE_NAME"). It shows details like column names, data types, and any special attributes like keys. 2 The Main Features of MySQL. MySQL Describe Tableis a command used to display the structure of a specific table in a database. Apart from retrieving a table's definition, this statement can be used to get MySQL - INDEXES. This command is particularly useful when you want to examine the structure of a table. Sep 30, 2009 · SHOW CREATE TABLE. The DESCRIBE statement can also be made to provide information about select column (s) of a table by using the wildcard The DESCRIBE TABLE command plays a crucial role in understanding the structure and properties of a table in a MySQL database. You can list a table's columns with the mysqlshow db_name tbl_name command. We can use the DESCRIBE command to describe a table in MySQL Feb 17, 2024 · The DESCRIBE command in MySQL is used to get the detailed information about a table, including its columns, data types, column constraints, and other properties. Jun 23, 2010 · describe will give you more information about tables or columns. *, COLUMNPROPERTY(object_id([column]. Use the DESCRIBE statement. The DESCRIBE statement provides information similar to SHOW COLUMNS. MySQL is free and open-source. The DESC and EXPLAIN statements are synonyms of DESCRIBE, so we can alternatively use those to do the Apr 4, 2019 · How to DESCRIBE a TABLE in SQL. Step 5: Verify the Table. Scan(&result) Oct 26, 2020 · MySQL DESCRIBE query is used to describe a table. table_name; DESCRIBE db_name. Jan 25, 2024 · Understanding the structure of databases and their tables is crucial for developers and database administrators. The DDL and DML statements are mixed, which is violation, within your cases. You can also get this list using the mysqlshow db_name command. Aug 2, 2010 · 8. For example: SHOW CREATE TABLE yourTable; Or with a prefixed database name: SHOW CREATE TABLE yourDatabase. 5, “The INFORMATION_SCHEMA COLUMNS Table”. When working with SQLite, it’s important to understand how to get metadata about your database tables, such as column names and data types. For information about features as they are introduced into MySQL on a series-specific basis, see the “In a Nutshell” section of the appropriate Manual: The MySQL DESCRIBE TABLE statement is used to provide detailed information about the structure of a table. You can obtain the CREATE TABLE statement necessary to create an existing table using the SHOW CREATE TABLE statement. However, without the ODBC trace it is difficult to find which call exactly is failing. 6, “SHOW COLUMNS Statement”, and Section 13. way to go mysql :) – Jack Daniel's. But you can use this command to see the structure of a particular table. (A UNIQUE index permits multiple NULL values, but you can tell whether the column permits NULL by checking the Null field. edited Mar 16, 2020 at 15:56. CREATE TABLE command is used to create tables in a database. Currently, I know how to list all the tables details. ODBC 5. Apr 23, 2015 · To get a list of columns for a table, use the DESCRIBE SQL statement. DESCRIBE provides information about the columns in a table: The syntax is as follows: DESCRIBE TableName ex. Oct 14, 2008 · @Liam the "\G" causes MySQL to display the results in vertical format, i. You can use this statement to verify that the contents are the same before and after a backup, rollback, or other operation that is intended to put the data back to a known state. table_name; NB: In each case, you can also write FROM two times instead of db_name. Switch to classicmodels database: Apr 9, 2024 · Conclusion. Overview: The metadata or schema of a MySQL table is provided by the SQL statement DESCRIBE. 10 Using Roles. It is a shortcut for SHOW COLUMNS FROM . sf xt kg oi cp og cp dy ga fz