How to check if value already exists in mysql database in php?

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Have you ever used MySQL Administrator and MySQL Query Browser? Describe the tasks you accomplished with these tools?

1 Answers   TCS,

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What is new mysqli?

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The structure of table view buyers is as follows: +----------------+-------------+------+-----+---------+----- -----------+ | Field | Type | Null | Key | Default | Extra | +----------------+-------------+------+-----+---------+----- -----------+ | user_pri_id | int(15) | | PRI | NULL | auto_increment | | userid | varchar(10) | YES | | NULL | | +----------------+-------------+------+-----+---------+----- -----------+ the value of user_pri_id the last row 2345 then What will happen in the following conditions? Condition1: Delete all the rows and insert another row then. What is the starting value for this auto incremented field user_pri_id , Condition2: Delete the last row(having the field value 2345) and insert another row then. What is the value for this auto incremented field user_pri_id

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What is a select query?

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How does limit work in mysql?

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What is the use of procedure in mysql?

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Explain the difference between procedure and function in mysql?

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What is dbms in mysql?

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

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How do I start mysql from command line?

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What are the difference between mongodb and mysql?

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