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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regexp_instr()
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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 RLIKE Operator The RLIKE operator in MySQL is used for pattern matching. It is used to determine whether the given strings…
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MySQL Standard Deviation The standard deviation is statistics that measures the number of variations or dispersion of a set of values relative…
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MySQL ROLLUP The ROLLUP in MySQL is a modifier used to produce the summary output, including extra rows that represent super-aggregate (higher-level)…
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MySQL Stored Function A stored function in MySQL is a set of SQL statements that perform some task/operation and return a single…
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MySQL ROW COUNT How can we get the number of rows in the MySQL table? Row count means how many records are…
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MySQL Subquery A subquery in MySQL is a query, which is nested into another SQL query and embedded with SELECT, INSERT, UPDATE…