Sql Inquiry To Uncovering All Tabular Array Names On A Database Amongst Mysql As Well As Sql Server Examples

How practise you lot uncovering names of all tables inward a database is a recent  SQL interview questions asked to i of my friend. There are many ways to uncovering all tabular array names shape whatsoever database similar MySQL together with SQL Server. You tin larn tabular array names either from INFORMATION_SCHEMA or sys.tables based upon whether you lot are using MySQL or Sql Server database. This is non a pop query similar when to usage truncate together with delete or correlated vs noncorrelated subquery which you lot tin await most all candidate ready good but this is quite mutual if you lot are working on whatsoever database e.g. MySQL. In this SQL tutorial nosotros volition come across examples of getting names of all tables from MySQL together with SQL Server database. In MySQL in that place are 2 ways to uncovering names of all tables, either past times using "show" keyword or  by query INFORMATION_SCHEMA. In  case of SQL Server or MSSQL, You tin either usage sys.tables or INFORMATION_SCHEMA to larn all tabular array names for a database. By the means if you lot are novel inward MySQL server together with exploring it , you lot may uncovering this listing of frequently used MySQL server commands handy.

How to uncovering parent of all tables inward MySQL database

Let's come across instance of using INFORMATION_SCHEMA  and present keyword to find all tabular array names from MySQL database:

mysql> SELECT table_name FROM information_schema.tables WHERE table_type = 'base table' AND table_schema='test';

+------------+

| TABLE_NAME |

+------------+

| subdivision |

| employee   |

| role       |

| user       |

+------------+

4 rows inward laid (0.00 sec)

mysql> show tables;

+----------------+

| Tables_in_test |

+----------------+

| department     |

| employee       |

| role           |

| user           |

+----------------+

4 rows inward laid (0.00 sec)

While working inward MySQL database I prefer to usage show tables later on selecting database e.g  use database_name. Compact together with intuitive syntax of show keyword makes it slow to show all tabular array names of selected database from only uncomplicated query. On the other manus using INFORMATION_SCHEMA  is to a greater extent than full general means together with you lot tin fifty-fifty overstep parent of database to SELECT query.

How to uncovering parent of all tables inward SQL Server database

In terminal subdivision nosotros convey seen SQL query to present names of all tables inward MySQL database together with immediately nosotros volition come across SQL query instance for SQL Server database. Here is instance of getting all tabular array names inward MSSQL or SQL Server database:

USE test; //SELECT DATABASE
SELECT table_name FROM information_schema.tables WHERE table_type = 'base table'

or you lot tin usage sys.tables to larn all tabular array names from selected database every bit shown inward next SQL query

USE test; //SELECT DATABASE
SELECT * FROM sys.tables

That's all on how to uncovering all tabular array names from database inward MySQL together with SQL Server. I volition update this article if I flora similar SQL query for other database similar Oracle, Sybase or PostgreSQL etc. Though I haven't tried PostgreSQL but I am expecting show tables to function there. allow me know if whatsoever of you lot guys tried to uncovering names of all tables from electrical flow database inward PostgreSQL.

Further Learning
Introduction to SQL
The Complete SQL Bootcamp
SQL for Newbs: Data Analysis for Beginners

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