When a table is created, CHAR is used to define the fixed length of the table and columns. The length value could be in the range of 1–255. The VARCHAR command is used to adjust the column and table lengths as required.
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What is the purpose of the php.ini file?
The PHP configuration file, php.ini , is the final and most immediate way to affect PHP's functionality. The php.ini file is read ea...
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You can find maximum salary for each department by grouping all records by DeptId and then using MAX() function to calculate maximum sala...
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Answer: select * from emp where hiredate < (’01-jan-81’);
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