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How do you check the data given by the user with database values using PHP from MySQL database?
Wiki User
∙ 15y ago
You could use the string replace attribute but you might have to use Javascript, CGI, ASP or another scripting language to do so.
Wiki User
∙ 15y ago
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What are the things to be learned for web developing?
You need to learn some programming/scripting languages and learn how to use a database. I have given examples below. Programming/scripting languages: - HTML - PHP - Javascript Database: -PostgreSQL -MySQL
What is database management tool?
it is used in Mysql which is a program used for programming. It helps in managing and analysing the given data and is mainly used when there is large amount of data to be analysed!!
What is query in mysql?
Query is any command given to My Sql
How do you retrieve data from database in PHP?
To retrieve data from a database in PHP, you can use SQL queries. First, establish a connection to the database using MySQLi or PDO. Then, use SELECT queries to fetch data from the database tables based on your requirements. Execute the query and fetch the results using appropriate functions like mysqli_fetch_assoc() or PDO fetch().
What are the various reasons that lead to the occurrence of NULL values in relations?
A given field in a database table might be for a values that, in certain case, no such values exist or can be determined. For example, in an employee database, a field might be a foreign key to that employee's direct manager. However, in the case of the CEO, there is no such person. In that case, the field would be set to Null.
What is structural database design?
The logic structure is independent of any kind of data model,in the practical application, the general database used by theenvironment has given (such as SQL Server or Oracel or MySQL. Due to the current use of the database basically is relational database, so the first thing to the E-R diagram into relation model, and then according to the characteristics andlimitations of specific DBMS conversion for the specificsupport of DBMS data model, the final optimization
What is the meaning of manual database?
A manual database is a data storage system where information is managed and organized using physical methods like paper files, folders, or index cards instead of digital tools or software. This type of database requires manual entry, storage, retrieval, and organization of data without the use of automated systems.
What is DCOUNT?
DCOUNT is like COUNT, except that it works on an Excel Database or List. It returns the number of cells in a column or or a field of a database that contains numbers and meets a given criteria. It needs the full list or database, a specified field to count values from and criteria that uses one or more fields.
What is the range of database application?
The range of database application are given below: 1- Personal Database 2- Workgroup Database 3- Department Database 4- Enterprise Database
Data base state vs database schema?
The database state refers to the current data stored in the database, including all records and their values. On the other hand, the database schema refers to the structure of the database, including tables, columns, constraints, and relationships. The schema defines how the data is organized and stored in the database.
Why null values in database?
The 'null'-content of any given field is just that. It's a 'nothing'. Example, if you create a database to hold chemical values for instance. If the values are, for example, real nubers. That would imply that any value that has 0 in it, is just that; zero. It was beeing measured, and found to contain zero. On the other hand if a value was not tested, the value of that compound should be set to 'null'. If a 'null' value isn't supported by the database a workaround is to set 'null' values to -1 (as per the example above). --
Disadvantage of temporal database?
temporal database is concept related to database store for a given timestamps so there is more storage required of storage media then simple conventional database.
