What is the difference between MySQL stored procedure and function?

Chandu yadav
Published on 22-Oct-2018 12:43:30
Stored Procedure In MySQL, a stored procedure can be called with the help of call statement. A stored procedure returns more than one value. A stored procedure returns 0 by default. It cannot be used in SQL query and is based on precompile. Function A function can be called inside ... Read More

Updating a MySQL table with values from another table?

George John
Published on 22-Oct-2018 12:41:10
We can update another table with the help of inner join. Let us create two tables. Creating a table mysql> CREATE table tblFirst -> ( -> id int, -> name varchar(100) -> ); Query OK, 0 rows ... Read More

What is ROW_NUMBER() in MySQL?

Ankith Reddy
Published on 22-Oct-2018 12:39:18
Row_NUMBER() included from MySQL version 8.0. It is a type of window function. This can be used to assign a sequence number for rows. To understand, create a table with the help of CREATE pcommand −Creating a tablemysql> CREATE table rowNumberDemo -> ( -> FirstName varchar(100) -> ); Query OK, ... Read More

Simplest way to copy data from one table to another new table in MySQL?

Arjun Thakur
Published on 22-Oct-2018 12:37:05
To copy data from one table to another table, firstly we will create a table.Creating first table −mysql> CREATE table FirstTable -> ( -> id int, -> name varchar(100) -> ); Query OK, 0 rows affected (0.61 sec)After creating a table, we will insert records.mysql> INSERT into FirstTable values(1, 'john'); ... Read More

How to clone a MySQL table, indexes, and data?

Chandu yadav
Published on 22-Oct-2018 12:34:24
To clone a MySQL table, indexes and data, we can use “LIKE”. I have a database ‘business’ and in that many tables have been created. Here we can check all the tables.mysql> USE business; Database changedLet us display all the tables −mysql> SHOW tables; +------------------------+ | Tables_in_business     | ... Read More

Pagination using MySQL LIMIT, OFFSET?

George John
Published on 22-Oct-2018 12:31:56
Firstly, we need to create a table with some records, then we will use pagination with the help of limit and offset.Creating a table with the help of CREATE command. The query is as follows −mysql> CREATE table limitoffsetDemo -> ( -> id int, -> FisrtName varchar(200) -> ); Query ... Read More

Advantages of using MySQLi over MySQL?

Ankith Reddy
Published on 22-Oct-2018 12:30:36
MySQLi is also known as MySQL improved Extension. It is a relational SQL database management system. It is often used inside PHP to provide an interface with the MySQL databases. Some of the reasons why MySQLi is famous are given below − MySQLi uses the standard form of the ... Read More

Find and Replace text in the entire table using a MySQL?

Arjun Thakur
Published on 22-Oct-2018 12:26:57
The text can be found and replaced with the help of the replace() function. It is explained with the help of the following steps −First, a table is created with the help of the create command which is given as follows −mysql> CREATE table FindAndReplaceDemo -> ( -> FirstName varchar(200) ... Read More

How do I create and use a sequence in MySQL?

Chandu yadav
Published on 22-Oct-2018 12:21:43
To create a sequence in MySQL, auto_increment can be used on the column. It starts from the value 1 and increments by 1 for each record when it is inserted.First, a table is created with the help of CREATE table. The query for that is as follows −mysql> CREATE table ... Read More

How to display all the tables in MySQL with a storage engine?

Ankith Reddy
Published on 18-Oct-2018 17:06:01
We can display all the tables with the help of the WHERE clause. The syntax for that is as follows −SELECT table_name FROM INFORMATION_SCHEMA.TABLES WHERE engine = 'InnoDB';Now, the above syntax is applied to the given query −mysql> SELECT * from INFORMATION_SCHEMA.TABLES WHERE engine = 'InnoDB';The following is the output ... Read More
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