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Nishtha Thakur has Published 564 Articles
Nishtha Thakur
27 Views
The getMaxProcedureNameLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters that the underlying database allows in the name of a procedure.This method returns an integer value, representing the maximum number of characters allowed in a procedure name. If this value is 0 it ... Read More
Nishtha Thakur
441 Views
To replace apostrophe, you can use replace(). Following is the syntax −update yourTableName set yourColumnName=replace(yourColumnName, '\'', '');Let us first create a table −mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Sentence varchar(100) ); Query OK, 0 rows affected (0.17 sec)Insert some records ... Read More
Nishtha Thakur
23 Views
The getMaxColumnsInOrderBy() method of the DatabaseMetaData interface is used to find out the maximum number of columns that the underlying database allows in an ORDER BY clause.This method returns an integer value, representing the maximum number of columns allowed in an ORDER BY clause. If this value is 0 it ... Read More
Nishtha Thakur
75 Views
Use aggregate function MIN() along with GROUP BY for this. Here, we will display the minimum ID for NumberOfProduct . Let us first create a table −mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, NumberOfProduct int ); Query OK, 0 rows affected ... Read More
Nishtha Thakur
424 Views
For this, use subquery along with HAVING clause. Let us first create a table −mysql> create table DemoTable ( StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentFirstName varchar(20), StudentLastName varchar(20) ); Query OK, 0 rows affected (0.27 sec)Insert some records in the table using insert ... Read More
Nishtha Thakur
256 Views
The getMaxConnections() method of the DatabaseMetaData interface is used to find out the maximum number of connections that the underlying database allows at a time.This method returns an integer value, representing the maximum number of connections allowed at a time. If this value is 0 it indicates that there is no ... Read More
Nishtha Thakur
3K+ Views
Following is the query to create a stored procedure that creates a table. Here, we are creating a table with three columns, one of them is Id −mysql> DELIMITER // mysql> CREATE PROCEDURE Stored_Procedure_CreatingTable() BEGIN create table DemoTable ( ... Read More
Nishtha Thakur
26 Views
The getMaxStatementLength() method of the DatabaseMetaData interface is used to find out the maximum number of characters that the underlying database allows in a single SQL statement.This method returns an integer value, representing the maximum number of characters allowed in an SQL statement. If this value is 0 it indicates ... Read More
Nishtha Thakur
53 Views
You can use regular expression for this. Let us first create a table −mysql> create table DemoTable ( ProductId int NOT NULL AUTO_INCREMENT PRIMARY KEY, ProductName varchar(20) ); Query OK, 0 rows affected (0.19 sec)Insert some records in the table using insert command −mysql> insert into ... Read More
Nishtha Thakur
356 Views
To fetch data between two rows, use the concept of LIMIT. Let us first create a table −mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Name varchar(10) ); Query OK, 0 rows affected (0.22 sec)Insert some records in the table using insert ... Read More