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Found 4378 Articles for MySQL
1K+ Views
Here, we are taking BIGINT type, since it takes 8 byte signed integer. Let us first create a table with column as BIGINT type −mysql> create table DemoTable2031 -> ( -> ByteValue bigint -> ); Query OK, 0 rows affected (1.17 sec)Insert some records in the table using insert command −mysql> insert into DemoTable2031 values(1048576); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable2031 values(1073741824); Query OK, 1 row affected (0.13 sec)Display all records from the table using select statement −mysql> select *from DemoTable2031;This will produce the following output −+------------+ | ByteValue | ... Read More
1K+ Views
To find maximum value, use MAX() along with CAST(), since the values are of VARCHAR type. Let us first create a table −mysql> create table DemoTable2030 -> ( -> Value varchar(20) -> ); Query OK, 0 rows affected (0.44 sec)Insert some records in the table using insert command −mysql> insert into DemoTable2030 values('8'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable2030 values('1'); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable2030 values('10001'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable2030 values('901'); Query OK, 1 row affected ... Read More
461 Views
Let us first create a table −mysql> create table DemoTable2029 -> ( -> Id int, -> FirstName varchar(20), -> LastName varchar(20) -> ); Query OK, 0 rows affected (0.98 sec)Insert some records in the table using insert command −mysql> insert into DemoTable2029 values(1, 'Chris', 'Brown') -> ; Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable2029 values(2, 'David', 'Miller'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable2029 values(3, 'John', 'Smith'); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable2029 values(4, 'John', 'Brown'); Query OK, 1 ... Read More
354 Views
Let us first create a table −mysql> create table DemoTable2028 -> ( -> StudentFirstName varchar(20), -> StudentLastName varchar(20) -> ); Query OK, 0 rows affected (0.87 sec)Here is the query to create a stored procedure and insert values (using delimiter correctly) −mysql> delimiter // mysql> create procedure insert_name(in fname varchar(20), in lname varchar(20)) -> begin -> insert into DemoTable2028 values(fname, lname); -> end -> // Query OK, 0 rows affected (0.17 sec) mysql> delimiter ;Call the stored procedure using CALL command −mysql> call insert_name('Chris', 'Brown'); Query OK, 1 row affected (0.17 sec)Display ... Read More
338 Views
Let us first create a table −mysql> create table DemoTable2027 -> ( -> UserId int -> ); Query OK, 0 rows affected (0.65 sec)Insert some records in the table using insert command −mysql> insert into DemoTable2027 values(10); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable2027 values(20); Query OK, 1 row affected (0.28 sec) mysql> insert into DemoTable2027 values(31); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable2027 values(11); Query OK, 1 row affected (0.12 sec)Display all records from the table using select statement −mysql> select *from DemoTable2027;This will produce ... Read More
126 Views
Yes, we can add minutes while inserting values in a table.Let us first create a table. Here, we have a column with VARCHAR records where inmysql> create table DemoTable2026 -> ( -> ArrivalTime varchar(20) -> ); Query OK, 0 rows affected (0.40 sec)Insert some records in the table using insert command. We are first converting the VARCHAR date and then adding minutes −mysql> insert into DemoTable2026 values(date_add(str_to_date('2017-12-01 11:34:45', '%Y-%m-%d %H:%i:%s'), INTERVAL 10 MINUTE)); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable2026 values(date_add(str_to_date('2015-01-31 10:00:00', '%Y-%m-%d %H:%i:%s'), INTERVAL 5 MINUTE)); Query OK, 1 row affected ... Read More
742 Views
The simplest way to replace records is using MySQL REPLACE() −mysql> create table DemoTable2025 -> ( -> URL text -> ); Query OK, 0 rows affected (0.88 sec)Insert some records in the table using insert command −mysql> insert into DemoTable2025 values('http=//www.facebook.com'); Query OK, 1 row affected (0.23 sec) mysql> insert into DemoTable2025 values('http=//www.google.com'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable2025 values('http=//www.gmail.com'); Query OK, 1 row affected (0.26 sec)Display all records from the table using select statement −mysql> select *from DemoTable2025;This will produce the following output −+-------------------------+ | URL ... Read More
665 Views
For this, use GROUP_CONCAT(). Let us first create a table −mysql> create table DemoTable2024 -> ( -> SubjectName varchar(20), -> StudentName varchar(20) -> ); Query OK, 0 rows affected (0.62 sec)Insert some records in the table using insert command −mysql> insert into DemoTable2024 values('MySQL', 'Chris'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable2024 values('MySQL', 'David'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable2024 values('MongoDB', 'Bob'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable2024 values('Java', 'Sam'); Query OK, 1 row affected (0.18 sec) mysql> ... Read More
589 Views
For this, use UPDATE command along with REGEXP. Let us first create a table −mysql> create table DemoTable2023 -> ( -> StreetNumber varchar(100) -> ); Query OK, 0 rows affected (0.59 sec)Insert some records in the table using insert command −mysql> insert into DemoTable2023 values('7'); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable2023 values('1'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable2023 values('AUS-100'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable2023 values('US-101'); Query OK, 1 row affected (0.11 sec)Display all records from the table using ... Read More
1K+ Views
To insert multiple values in a column, the syntax is as follows −insert into yourTableName values(yourValue1), (yourValue2), ..........N;To understand the above syntax, let us create a table −mysql> create table DemoTable2022 -> ( -> Department varchar(100) -> ); Query OK, 0 rows affected (0.49 sec)Insert some records in the table using insert command −mysql> insert into DemoTable2022 values('Computer Science'), ('Information Technology'), ('Civil'), ('Mechanical'), ('Electronics'), ('Electrical'); Query OK, 6 rows affected (0.46 sec) Records: 6 Duplicates: 0 Warnings: 0Display all records from the table using select statement −mysql> select *from DemoTable2022;This will produce the following ... Read More