Populating a MySQL table with the INSERT statement - codeburst
Nov 8, 2017 · Perform a single INSERT using mysql interactively from the command line. Perform multiple INSERTS using mysql interactively from the command line. Use mysql in batch mode to INSERT multiple rows via a .sql source file. Insert Syntax. INSERT populates an existing table with new rows of data. Basic INSERT syntax can be as follows:
ALTER TABLE: Examples with MySQL — Beginner Series.
Nov 3, 2017 · In this second part of the MySQL Beginner Series Basics, I will explore various uses of the ALTER TABLE syntax. Part 1 covered the CREATE command, establishing a database, table, and user. This blog post will build from there, so be sure to visit that post to get up to speed.
Example of the RENAME USER command in MySQL - codeburst
Feb 13, 2019 · Naming your users and specifying their host does not have to be permanent. However, to implement any changes to those two fields, it is better to use the RENAME USER command as opposed to directly updating MySQL system tables. Read on to learn about this command with me…
CREATE Database, User and Table — Easy examples with MySQL.
Oct 30, 2017 · This blog post will be the first part of a MySQL Beginner Series of basics I will delve into, as I journey down this path of learning. Note: All data, names or naming found within the database…
FOREIGN KEYS in MySQL with examples. | by Josh Otwell - codeburst
Sep 12, 2018 · Adding or including a FOREIGN KEY on a table column in MySQL is relatively straight-forward. However, there are a few things to keep in mind you will see as I move forward. First thing to note, the FOREIGN KEY must be in the child table. For …
Node.js, MySQL and async/await - codeburst
Sep 30, 2019 · const users = await db.query( 'SELECT * FROM users WHERE id = 1' ); for ( const i in users ) {users[ i ].groups = await db.query( '...' ); if ( users[ i ].is_admin ) users[ i ].modules = await db.query( '...' );} As you can see, it’s almost identical to …
UPDATE and DELETE: Examples with MySQL - codeburst
Nov 15, 2017 · UPDATE a row of data in the target table. DELETE a row of data from the target table. UPDATE is used to change or modify a row, or rows of data. Basic single-table syntax to UPDATE a single record can resemble the below piece of code: UPDATE table_name SET column_name(s) WHERE some_conditional [optional]; Important! The WHERE clause is optional.
INNER JOIN in MySQL with examples. | by Josh Otwell - codeburst
May 9, 2018 · In table country, this is the PRIMARY KEY, and in table city, it’s a FOREIGN KEY. We can use these columns to ‘link’ or JOIN these tables where their values match. To do that, we use the ON clause as part of the JOIN (See more below).
managing db users in postgres & mysql | by Danny Perez
Nov 4, 2018 · CREATE USER '${user}' WITH PASSWORD '${password}'; GRANT ALL ON DATABASE '${db}' TO '${user}'; -- grants read/write to everything in this database instance -- OR GRANT CONNECT ON DATABASE '${db}' to '${user}'; -- only allows the …
Handy MySQL Date functions with examples. | by Josh Otwell
Mar 14, 2018 · This blog post will visit many of the available date functions offered in MySQL, to assist managing this all-important data type. Photo by Curtis MacNewton on Unsplash Note: All data, names or naming found within the database presented in this post, are strictly used for practice, learning, instruction, and testing purposes.