Please note the following commands:
- \list or \l: list all databases
- \c <db name>: connect to a certain database
- \dt: list all tables in the current database using your search_path
- \dt *.: list all tables in the current database regardless your search_path
- Show all tables owned by the current user: SELECT table_name FROM user_tables;
- Show all tables in the current database: SELECT table_name FROM dba_tables;
- Show all tables that are accessible by the current user:
How do I Count tables in SQL database?
You need to do the following:
- Use SELECT COUNT (*) on each table to have its rowed total.
- Use UNION ALL to build a result of the row count of each table.
- Wrap that result set in CTE or derived table.
- Select from the CTE or derived table SUMing the row count column.
How can I see all tables in SQL?
- Show all tables owned by the current user: SELECT. table_name. FROM. user_tables;
- Show all tables in the current database: SELECT. table_name. FROM. dba_tables;
- Show all tables that are accessible by the current user:
How to view all the tables in SQL?
To view tables:
- In the Connections navigator in SQL Developer, navigate to the Tables node for the schema that includes the table you want to display. ...
- Open the Tables node. The list of tables in the schema appears.
- Click the name of the table that you want to display. A tab with the table name appears in the object pane, with the Columns subtab displayed. ...
How to see table in MySQL client?
To show all columns of a table, you use the following steps:
- Login to the MySQL database server.
- Switch to a specific database.
- Use the DESCRIBE statement.
How can I get a list of all tables in MySQL?
To get a list of the tables in a MySQL database, use the mysql client tool to connect to the MySQL server and run the SHOW TABLES command. The optional FULL modifier will show the table type as a second output column.
What is command to list all databases and tables?
Handy MySQL CommandsDescriptionCommandList all databases on the sql server.show databases;Switch to a database.use [db name];To see all the tables in the db.show tables;43 more rows
How do I find the tables in a SQL database?
Using the Information SchemaSELECT TABLE_NAME FROM INFORMATION_SCHEMA. TABLES.SELECT TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA. COLUMNS.SELECT COLUMN_NAME FROM INFORMATION_SCHEMA. COLUMNS WHERE TABLE_NAME = 'Album'IF EXISTS( SELECT * FROM INFORMATION_SCHEMA. ... IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.
How do I export a list of tables in SQL?
Exporting Tables Using SQL Server Management StudioRight-click on the database that contains tables you wish to export. ... Click Next > on the Introduction page. ... On the Choose Objects page, select all of the tables you wish to export. ... On the Set Scripting Options page, select Save scripts to a specific location.More items...•
How do I get a list of table names in SQL?
How to find the name of all tables in the MySQL databasemysql> SELECT table_name FROM information_schema.tables WHERE table_type = 'base table' AND table_schema='test';| employee || role || user || department || employee || role || user |
How do I get a list of all databases in SQL Server?
Use SQL Server Management StudioIn Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance.To see a list of all databases on the instance, expand Databases.
How can I see all tables in Oracle SQL?
SELECT table_name FROM user_tables; This query returns the following list of tables that contain all the tables owned by the user in the entire database....Here, are the following types of table identifiers in the Oracle SQL Database.DBA_tables: ... All_tables: ... User_tables.
How do you select all tables and rows in SQL what query?
Let's start coding.SELECT TOP 10 (SCHEMA_NAME(A.schema_id) + '.' + A. Name) AS TableName., SUM(B. rows) AS RecordCount.FROM sys.objects A.INNER JOIN sys.partitions B ON A.object_id = B.object_id.WHERE A.type = 'U'GROUP BY A.schema_id, A. Name.
How do I export multiple tables in SQL?
Steps: First, create a script for all the tables: Tasks->Generate Scripts->all tables->single sql file. Create a dummy database and run this script. right click on the dummy database and select tasks->export data-> select source data->select destination as Microsoft Excel and give its path->Execute.
How do I export multiple tables from SQL Server to Excel?
Export SQL Server Tables to ExcelStep 1 – Download AdventureWorks Database. ... Step 2 – Open RStudio and Import Libraries. ... Step 3 – Connect to SQL Server. ... Step 4 – Load data into R dataframe. ... Step 5 – Export SQL Server Data to Excel file. ... Step 6 – Save the data to a physical Excel file. ... Step 7 – Final R code.
How can I see all databases in Oracle?
To find active (i.e. started) databases, look for *_pmon_* processes on Unix (there's one per database instance), and Oracle services on Windows. To locate installations of Oracle database software, look at /etc/oratab on Unix. This should contain all the ORACLE_HOME s installed.
Which command is used to display all tables in SQL?
mysql> SHOW TABLES; This command returns a list of all the tables in the chosen database.
How can I see all tables in Oracle?
SELECT owner, table_name FROM all_tables; This query returns the following list of tables that contain all the tables that the user has access to in the entire database.
How can I see all tables in Oracle SQL?
The easiest way to see all tables in the database is to query the all_tables view: SELECT owner, table_name FROM all_tables; This will show the owner (the user) and the name of the table. You don't need any special privileges to see this view, but it only shows tables that are accessible to you.
How to list all tables in PostgreSQL?
SQL command to list all tables in PostgreSQL. For PostgreSQL, you can use the psql command-line program to connect to the PostgreSQL database server and display all tables in a database. First, connect to the PostgreSQL Database server: PostgreSQL will prompt for the password; just enter the correct one and press enter.
Which database system has its own command to show all tables in a specified database?
Each database system has its own command to show all tables in a specified database. Here you can find the respective SQL command to list all tables in MySQL, PostgreSQL, Oracle, SQL Server, DB2, and SQLite.
Can you use SQL Developer in Oracle?
In Oracle, you can use the SQL*Plus or SQL Developer connect to the Oracle Database server and show all tables in a database. Then issue one of the following SQL statement:
How to list tables in MySQL?
To list tables in a MySQL database, you follow these steps: 1 Login to the MySQL database server using a MySQL client such as mysql 2 Switch to a specific database using the USE statement. 3 Use the SHOW TABLES command.
What is the show table command?
The SHOW TABLES command allows you to show if a table is a base table or a view. To include the table type in the result, you use the following form of the SHOW TABLES statement. SHOW FULL TABLES ;
Is a table a base table?
As you can see, all the tables are the base tables except for the contacts table which is a view.
