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Sql - Can'T Insert Values Into The Created Table - Stack Overflow

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  • Câu hỏi: MS SQL insert records into a table with a counter element
  • Thời gian hỏi: Cập Nhập 234 Giờ Trước
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MS SQL insert records into a table with a counter element

To insert records into a table with a counter element in Microsoft SQL Server, you can use the IDENTITY property. Here’s an example:

Suppose you have a table named employees with columns id, name, and age. To add a new record with the id column auto-incremented, you can use the following SQL statement:

sql
INSERT INTO employees (name, age) VALUES ('John', 30);

Assuming that the id column is set to IDENTITY, SQL Server will automatically assign a unique value to the id column for the new record.

If you want to specify a starting value for the id column, you can use the IDENTITY(seed, increment) syntax:

sql
CREATE TABLE employees ( id INT IDENTITY(1,1), name VARCHAR(50), age INT ); INSERT INTO employees (name, age) VALUES ('John', 30);

In this example, the id column will start with a value of 1, and increment by 1 for each new record inserted.

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SQL Server – INSERT RECORDS INTO TABLE VIA STORED PROCEDURE AND DEFAULT VALUES

How to insert values into table in SQL with WHERE clause?

To insert values into a SQL table with a WHERE clause, you can follow these steps:

  1. Start by writing a basic INSERT statement. For example:

    sql
    INSERT INTO my_table (column1, column2, column3) VALUES (value1, value2, value3);

    Replace my_table with the name of the table you want to insert values into, and column1, column2, and column3 with the names of the columns you want to insert values into. Replace value1, value2, and value3 with the values you want to insert.

  2. Add a WHERE clause to the INSERT statement to specify the condition that must be met for the row to be inserted. For example:

    sql
    INSERT INTO my_table (column1, column2, column3) VALUES (value1, value2, value3) WHERE column4 = value4;

    Replace column4 with the name of the column you want to use for the condition, and value4 with the value that must be met for the row to be inserted.

    Note: The WHERE clause is not commonly used with INSERT statements, as INSERT statements are generally used to add new rows to a table, rather than updating existing rows.

  3. Execute the SQL statement to insert the row into the table that meets the WHERE clause’s condition.

How can I insert 1000 rows in SQL at a time?

You can use the SQL INSERT INTO statement with the VALUES clause to insert multiple rows at once. Here’s an example of how you can insert 1000 rows in SQL at a time:

scss
INSERT INTO table_name (column1, column2, column3, ...) VALUES (value1_1, value1_2, value1_3, ...), (value2_1, value2_2, value2_3, ...), (value3_1, value3_2, value3_3, ...), ... (value1000_1, value1000_2, value1000_3, ...);

In this example, table_name is the name of the table you want to insert the rows into, and column1, column2, column3, etc. are the names of the columns you want to insert values into.

You will need to replace the value1_1, value1_2, value1_3, etc. placeholders with the actual values you want to insert. Make sure to separate each row of values with a comma, and end the statement with a semicolon.

Keep in mind that the number of columns and their data types must match the number and data types of the values you’re inserting. If you’re inserting NULL values, you can use the keyword NULL in place of a value.

How to insert 1500 records in SQL?

To insert 1500 records into an SQL database, you can use the following steps:

  1. Prepare the data: Collect the data that needs to be inserted into the SQL database and organize it into a format that can be easily inserted into the database. This can be done using a spreadsheet program like Microsoft Excel or Google Sheets.

  2. Connect to the database: Connect to the SQL database using an appropriate client or interface, such as SQL Server Management Studio, MySQL Workbench, or phpMyAdmin.

  3. Create a table: If the table in which the data will be inserted does not exist, create it using SQL’s CREATE TABLE statement. Make sure the table structure matches the data being inserted.

  4. Write the SQL INSERT statement: Write an SQL INSERT statement to insert the data into the table. The syntax for the INSERT statement is as follows:

    sql
    INSERT INTO table_name (column1, column2, column3, ...) VALUES (value1, value2, value3, ...);

    Replace table_name with the name of the table, and column1, column2, column3, etc. with the names of the columns in the table. Also, replace value1, value2, value3, etc. with the actual values that need to be inserted.

  5. Repeat the INSERT statement for each record: Use a loop or a script to execute the INSERT statement for each record. You can also use a batch processing tool provided by your database management system to insert records in bulk.

  6. Verify the data: Once all records have been inserted, verify the data to ensure that it has been inserted correctly.

Overall, the exact approach for inserting 1500 records in SQL may vary depending on the specific database management system and the tool being used to execute the SQL statements.

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Sql - Can'T Insert Values Into The Created Table - Stack Overflow
Sql – Can’T Insert Values Into The Created Table – Stack Overflow
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