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MySQL Select
SQL · Mar 31, 2019 · 3 min read
The SELECT statement is used to read or retrieve rows(data) from one or more database tables or views. You can retrieve one, two, or three, or all columns depending on what you need. Each row you retrieve will have the same number of columns. Here is an example of a SELECT statement. Select…
MySQL Delete
SQL · Mar 31, 2019 · 1 min read
To delete data from a table, DELETE statement is used. Once data is deleted from your tables you can’t recover it. It is gone. It is recommended to back up your database regularly so that if data is gone you can still recover it from your backups. The WHERE clause is optional but if […]
MySQL Update
SQL · Mar 31, 2019 · 3 min read
The UPDATE clause is used to update an existing row. It can be used to update a single row, a group of rows, or all rows within a table. How to use UPDATE1. Specify the tables you want to update.2. Set the column values to their new values.3. The WHERE clause is optional but […]
MySQL Insert
SQL · Mar 31, 2019 · 2 min read
The INSERT command inserts one or more rows into a table. Let’s see how the syntax works. INSERT INTO table_name – this query is an insert query into a table.VALUES – values for the columns you have chosen.* The number of columns and values must be equal otherwise it won’t work. * It is […]
Spring Boot Migration from Spring
Spring Boot · Mar 19, 2019 · 1 min read