What is mysql installer?

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What could be the reason that the mysql statement 'select avg (salary) from emp' generates an inaccurate output?

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What port is mysql running on?

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A select query over a large table runs very slow because of the growing number of entries in that table. What different measures could be taken to improve speed?

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How many rows can mysql hold?

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Please suggest me any course and institute which provide training on the below skills. • Knowledge of data extraction concepts and tools • QMF (query management facility)queries • Experience and expertise in QMF queries • Excellent ability to write, read, and interpret QMF queries against the Source Data Warehouse base level (daily and monthly) and month-end affinity comp tables • RDBMS & ER • Knowledge of Relational Databases (RDBMS) and Entity Relationship (ER) Diagrams • SOURCE Data Warehouse • Experience and expertise in Source Data Warehouse or data warehouses on the mainframe. • MS SQL Server • Experience in MS SQL Server • Excellent skill in writing/interpreting SQL queries and running Data Transformation Services (DTS) or open query packages. • Knowledge of writing/interpreting Visual Basic code.

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How can we change the data type of a column of a table?

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How to use rank function in mysql?

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How to convert numeric values to character strings?

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How can you increase the performance of mysql select query?

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What is the use of pdo?

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Can mongodb replace mysql?

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