This document summarizes PHP training on MySQL functions. It introduces MySQL as an open-source RDBMS and describes database, table, and field hierarchies. It also outlines various MySQL field types and functions for connecting to a database, executing queries, looping through result sets, and performing select, insert, update and delete operations. Examples of functions provided include mysql_connect(), mysql_query(), mysql_fetch_assoc(), and mysql_affected_rows().

1. PHP Training – Session 6
MySQL functions with PHP

2. Introduction to MySQL
• Open Source
• RDBMS
• Runs on port 3306
• phpMyAdmin
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3. Heirarchy
• Database
– Table
• Row
– Field
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4. MySQL Field Types
• Varchar
• Int
• Text
• Float
• Date
• Datetime
• Timestamp
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5. Connect to Database
• mysql_connect()
• mysql_close()
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6. Create a database
• mysql_create_db()
• mysql_select_db()
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7. Execute query
• mysql_query()
• Returns “Resource” type result set
• Loop over result set
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8. Result set
• mysql_fetch_row()
• mysql_fetch_assoc()
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9. Affected rows
• mysql_num_rows()
• mysql_affected_rows()
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10. Select Query
• SELECT * FROM TABLENAME
• COUNT()
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11. Insert / Update / Delete Query
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12. Questions?
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