MySQL – INDEXES An index is a data structure that improves the speed of operations on a database table. They are a special type of lookup tables pointing to the data. Indexes can be created on one or more columns, providing the basis for both rapid random lookups and efficient ordering of access to records. […]
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MySQL – Update View Table of content The MySQL UPDATE statement is used on various database objects to update the existing data in them. This is a DML (Data Manipulation language) command. We need to be careful while using the UPDATE statement as it can modify all the records in an object, if not selected […]
MySQL – Insert Into Select Table of content The MySQL Insert Into Select Statement In MySQL, the INSERT INTO… SELECT statement is used to add/insert one or more rows from an existing table to target table. This statement is a combination of two different statements: INSERT INTO and SELECT. The MySQL INSERT INTO statement is […]