How to copy a table from one database to another database in PostgreSQL?

MySQL | DATABASE() and CURRENT_USER() Functio

SELECT DATABASE();

SELECT CURRENT_USER();

mysql current user database

Reshma

How to connect to PostgreSQL database and dis

import psycopg2

conn = psycopg2.connect(host="localhost"

python psycopg2 postgresql

kishore_kumar

Move a table to other schema in Postgres

ALTER TABLE table_name SET SCHEMA new_sc

sql postgresql

kishore_kumar

Connect to PostgreSQL in c# applications usin

using System.Text;
using System.Threading.Tasks;
using IronPython.Hosting;

c# csharp postgresql npgsql

harika

How to stop the PostgreSQL manually?

show data_directory;   //To see the dire

pg_ctl -D /var/lib/postgresql/data stop 

manual stop postgresql mysql

Reshma

Adding a new auto increment column to a table

-- New versions of postgres
-- adding as primary key

sql postgres postgresql

kishore_kumar

How to delete SEQUENCE in postgresql

drop sequence sequence_name;

sequence postgresql mysql

Reshma

How to dump a database in postgresql

sudo -i -u postgres

psql

dump postgresql sql

Reshma

Create a user table in MySQL database and ins

CREATE TABLE `user` (
    `username` VARCHAR(25) NOT NULL,
    `email` VARCHAR(150) NOT NULL,

mysql

kishore_kumar

Connect to MySQL database with python mysql c

# pip install mysql-connector

from mysql import connector

python mysql mysql-connector

kishore_kumar

Drop table in Sql

Drop table Table_name;

sql mysql

sonia shaik

Creating table using MySQLi Object-oriented P

<?php
$servername = "localhost";
$username = "username";

mysqli table creation mysql

Reshma

Creating table using MySQLi Procedural proced

<?php
$servername = "localhost";
$username = "username";

mysqli table creation mysql

Reshma

IFNULL in MySQL

SELECT 
IFNULL(
  (SELECT NAME 

if null mysql

Reshma

MySQL | BIN() Function

SELECT BIN(5);

SELECT BIN(12);

mysql bin()

Reshma

MySQL | RENAME USER

RENAME USER 'RAJ' @ 'localhost' TO 'AMIT

RENAME USER 'PRIYA' @ 'localhost' TO 'DI

rename mysql

Reshma

SQL | ALTER to change the name of the table

ALTER TABLE TABLE_NAME RENAME TO NEW_TAB

alter table mysql

Reshma

SQL | ALTER to change the name of the column

ALTER TABLE TABLE_NAME RENAME COLUMN TO 

alter column mysql

Reshma

MySQL | DEFAULT() Function

SELECT DEFAULT (COLUMN_NAME) FROM TABLE_

default() mysql

Reshma

MySQL | DROP USER

DROP USER 'user' @ 'host';

mysql drop

Reshma