Difference between Union and Union All UNION and UNION ALL are the two most essential SQL operators used in the database for…
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regexp_replace operator
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MySQL Window Functions A window function in MySQL used to do a calculation across a set of rows that are related to…
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MySQL Union MySQL Union is an operator that allows us to combine two or more results from multiple SELECT queries into a…
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MySQL UNIQUE INDEX Indexing is a process to find an unordered list into an ordered list that allows us to retrieve records…
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MySQL Unique Key A unique key in MySQL is a single field or combination of fields that ensure all values going to…
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MySQL Unlock Account Unlock is a mechanism that allows the user to release all locks or any specific lock associated with the…
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MySQL UPDATE JOIN UPDATE query in MySQL is a DML statement used for modifying the data of a table. The UPDATE query…
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MySQL UPSERT UPSERT is one of the essential features of DBMS software for managing the database. This operation allows the DML users…
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MySQL UUID A UUID is a Universal Unique Identifier specified by RFC 4122 (It is a Universally Unique Identifier URN Namespace) and…
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MySQL VARCHAR Varchar in MySQL is a data type used for storing text whose length can have a maximum of 65535 characters.…