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Display all tables in MySQL database using Java?

Here we will see how to display all the tables in a MySQL database using Java. You can use the show command in MySQL to get all tables in a MySQL database.

Suppose our database is "test". The Java code is as follows, which displays all table names in the database "test".

The Java code is as follows. Here, a connection is established between MySQL and Java -

import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;

import com.mysql.jdbc.Connection;
import com.mysql.jdbc.DatabaseMetaData;

public class GetAllTables {
   public static void main(String[] args) throws SQLException {
      Connection conn = null;
      try {
         try {
            Class.forName("com.mysql.jdbc.Driver");
         } catch (Exception e) {
            System.out.println(e);
         }
         conn = (Connection) DriverManager.getConnection("jdbc:mysql://localhost/test", "Manish", "123456");
         System.out.println("Connection is created succcessfully:");
      } catch (Exception e) {
         System.out.println(e);
      }
      ResultSet rs = null;
      DatabaseMetaData meta = (DatabaseMetaData) conn.getMetaData();
      rs = meta.getTables(null, null, null, new String[] {
         "TABLE"
      });
      int count = 0;
      System.out.println("All table names are in test database:");
      while (rs.next()) {
         String tblName = rs.getString("TABLE_NAME");
         System.out.println(tblName);
         count++;
      }
      System.out.println(count + " Rows in set ");
   }
}

Below is the output showing all the tables in the database test -

Wed Dec 12 14:55:28 IST 2018 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. You need either to explicitly disable SSL by setting useSSL = false, or set useSSL = true and provide truststore for server certificate verification.
Connection is created succcessfully:
All table names are in test database:
add30minutesdemo
addcolumn
addoneday
agecalculatesdemo
aliasdemo
allcharacterbeforespace
allownulldemo
appendingdatademo
autoincrementdemo
betweendatedemo
bigintandintdemo
bigintdemo
bookdatedemo
changecolumnpositiondemo
changeenginetabledemo
charsetdemo
concatenatetwocolumnsdemo
constraintdemo
cumulativesumdemo
currentdatetimedemo
customers
dateasstringdemo
dateformatdemo
dateinsertdemo
datesofoneweek
datetimedemo
dayofweekdemo
decimaltointdemo
decrementdemo
defaultdemo
deleteallfromtable
deletemanyrows
destination
differencetimestamp
distinctdemo
employee
employeedesignation
findlowercasevalue
generatingnumbersdemo
gmailsignin
groupbytwofieldsdemo
groupmonthandyeardemo
highestidorderby
highestnumberdemo
ifnulldemo
increasevarchardemo
insert
insertignoredemo
insertwithmultipleandsigle
int11demo
intvsintanythingdemo
lasttwocharacters
likebinarydemo
likedemo
maxlengthfunctiondemo
moviecollectiondemo
myisamtoinnodbdemo
newtableduplicate
notequalsdemo
nowandcurdatedemo
nthrecorddemo
nullandemptydemo
orderbycharacterlength
orderbynullfirstdemo
orderindemo
originaltable
parsedatedemo
passinganarraydemo
persons
prependstringoncolumnname
pricedemo
queryresultdemo
replacedemo
rowexistdemo
rowpositiondemo
rowwithsamevalue
safedeletedemo
searchtextdemo
selectdataonyearandmonthdemo
selectdistincttwocolumns
selectdomainnameonly
sha256demo
skiplasttenrecords
sortcolumnzeroatlastdemo
storedproctable
stringreplacedemo
stringtodate
student
studentdemo
studentmodifytabledemo
studenttable
subtract3hours
temporarycolumnwithvaluedemo
timetosecond
timetoseconddemo
toggledemo
toogledemo
truncatetabledemo
updatealldemo
updatevalueincrementally
wheredemo
wholewordmatchdemo
zipcodepadwithzerodemo

103 Rows in set

To cross check, use the MySQL show command to display the database "test "All tables within. The query is as follows -

mysql> use test;
Database changed
mysql> show tables;

The following is the output -

+------------------------------+
| Tables_in_test               |
+------------------------------+
| add30minutesdemo             |
| addcolumn                    |
| addoneday                    |
| agecalculatesdemo            |
| aliasdemo                    |
| allcharacterbeforespace      |
| allownulldemo                |
| appendingdatademo            |
| autoincrementdemo            |
| betweendatedemo              |
| bigintandintdemo             |
| bigintdemo                   |
| bookdatedemo                 |
| changecolumnpositiondemo     |
| changeenginetabledemo        |
| charsetdemo                  |
| concatenatetwocolumnsdemo    |
| constraintdemo               |
| cumulativesumdemo            |
| currentdatetimedemo          |
| customers                    |
| dateasstringdemo             |
| dateformatdemo               |
| dateinsertdemo               |
| datesofoneweek               |
| datetimedemo                 |
| dayofweekdemo                |
| decimaltointdemo             |
| decrementdemo                |
| defaultdemo                  |
| deleteallfromtable           |
| deletemanyrows               |
| destination                  |
| differencetimestamp          |
| distinctdemo                 |
| employee                     |
| employeedesignation          |
| findlowercasevalue           |
| generatingnumbersdemo        | 
| gmailsignin                  |
| groupbytwofieldsdemo         |
| groupmonthandyeardemo        |
| highestidorderby             |
| highestnumberdemo            |
| ifnulldemo                   |
| increasevarchardemo          |
| insert                       |
| insertignoredemo             |
| insertwithmultipleandsigle   |
| int11demo                    |
| intvsintanythingdemo         |
| lasttwocharacters            |
| likebinarydemo               |
| likedemo                     |
| maxlengthfunctiondemo        |
| moviecollectiondemo          |
| myisamtoinnodbdemo           |
| newtableduplicate            |
| notequalsdemo                |
| nowandcurdatedemo            |
| nthrecorddemo                |
| nullandemptydemo             |
| orderbycharacterlength       |
| orderbynullfirstdemo         |
| orderindemo                  |
| originaltable                |
| parsedatedemo                |
| passinganarraydemo           |
| persons                      |
| prependstringoncolumnname    |
| pricedemo                    |
| queryresultdemo              |
| replacedemo                  |
| rowexistdemo                 |
| rowpositiondemo              |
| rowwithsamevalue             |
| safedeletedemo               |
| searchtextdemo               |
| selectdataonyearandmonthdemo |
| selectdistincttwocolumns     |
| selectdomainnameonly         |
| sha256demo                   |
| skiplasttenrecords           |
| sortcolumnzeroatlastdemo     |
| storedproctable              |
| stringreplacedemo            |
| stringtodate                 |
| student                      |
| studentdemo                  |
| studentmodifytabledemo       |
| studenttable                 |
| subtract3hours               |
| temporarycolumnwithvaluedemo |
| timetosecond                 |
| timetoseconddemo             |
| toggledemo                   |
| toogledemo                   |
| truncatetabledemo            |
| updatealldemo                |
| updatevalueincrementally     |
| wheredemo                    |
| wholewordmatchdemo           |
| zipcodepadwithzerodemo       |
+------------------------------+
103 rows in set (0.01 sec)

As you can see above, they all give the same result.

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