How many primary keys can be there in a table?

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How to use regular expression in pattern match conditions?

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Can mysql handle big data?

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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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What is difference between mysql and mysql server?

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What you can use regular expression for in mysql?

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if we want to load data from a text file into a mysql table, but the columns in table are 1st: code(int) and 2nd: city(varchar), but in text file the format is 1st cityname and then code separeted by delimeters. how to load?

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In which format data is stored in mysql database?

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What?s the difference between query_cache_type 1 and 2?

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What are the difference between mongodb and mysql?

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Is sql and mysql same?

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What is the difference between the primary and unique key in mysql?

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