How can you tell if a table has changed?

How can you tell if a table has changed?

If you want to know what tables have changed in the last 5 minutes, run this: SELECT table_schema,table_name,update_time FROM information_schema. tables WHERE update_time > (NOW() – INTERVAL 5 MINUTE);

How can I tell if a SQL table is modified?

How to determine the last modified date of tables in SQL Server Instance

1. t.[name] AS [UserTableName], [create_date] AS [CreatedDate], [modify_date] AS [ModifiedDate]
2. t.[name] AS [UserTableName], [create_date] AS [CreatedDate], [modify_date] AS [ModifiedDate]
3. t.[name] AS [UserTableName], [create_date] AS [CreatedDate],

How can I tell if a table has rows?

6 Answers

1. Quickest for an IF would be IF EXISTS (SELECT * FROM Table)…
2. For a result set, SELECT TOP 1 1 FROM Table returns either zero or one rows.
3. For exactly one row with a count (0 or non-zero), SELECT COUNT(*) FROM Table.

How can you tell who modified a table in SQL Server?

In order to find out who update the table, you could try with below options:

1. Try and read the Transaction Logs to see what happened.
2. Start trace in SQL Server profiler and checked events(TSQL-SQL:BatchCompleted,SQL:BatchStarting,SQL:StmtCompleted and SQL:StmtStarting)(Recommended).

How can I tell when a MySQL table was modified?

SELECT UPDATE_TIME FROM information_schema. tables WHERE TABLE_SCHEMA = ‘yourDatabaseName’ AND TABLE_NAME = ‘yourTableName’; Let us implement the following query to get the last updated time. mysql> SELECT UPDATE_TIME -> FROM information_schema.

How can I get the last modified table in SQL?

Columns

1. schema_name – schema name.
2. table_name – table name.
3. create_date – table creation date.
4. modify_date – last update time of table (by ALTER statement)

How can I see who modified a table in SQL Server?

How do I check if a table is empty in SQL?

Get List of Empty Tables in SQL Server

1. select.
2. t. name table_name,
3. s. name schema_name,
4. sum(p. rows) total_rows.
5. from.
6. sys.tables t.
7. join sys.schemas s on (t.schema_id = s.schema_id)
8. join sys.partitions p on (t.object_id = p.object_id)

How do I see how many rows affected in SQL?

Transact-SQL statements can set the value in @@ROWCOUNT in the following ways:

1. Set @@ROWCOUNT to the number of rows affected or read. Rows may or may not be sent to the client.
2. Preserve @@ROWCOUNT from the previous statement execution.
3. Reset @@ROWCOUNT to 0 but do not return the value to the client.

How do I find the last modified date in SQL?

You can use sys.proceedures to find the date of the most recent modification for stored procedures;

1. SELECT [name], create_date, modify_date.
2. FROM sys.procedures.
3. ORDER BY 3 DESC;

Is there way to see modified rows in SQL Server?

Also, the output only lists the rows primary key values, it doesn’t have the feature of returning the modified record. Try out these scripts and try to improve these scripts to show which columns were modified. Modify the script to include a start and end date range.

Is there way to detect how many rows have been included in an UPDATE statement?

There are ways in SQL to detect how many rows have been included in an update statement. Don’t know of a way to detect whether an update statement actually changed any data, that would be interesting to know. If you are using sql 2005/2008 then you can do as follows in the stored procedure.

Is there a way to check if InnoDB table has changed?

However, there is no such thing in InnoDB. So, CHECKSUM TABLE is VERY slow. I’ve hoped to be able to check the last update time of the table, Unfortunately, this is not available in InnoDB either. I’m stuck now, because tests have shown that the performance of the application drops drastically.

Is there way to detect if SQL update has changed data?

Don’t know of any SQL functionality that would detect whether the update has actually changed any data or not. There are ways in SQL to detect how many rows have been included in an update statement. Don’t know of a way to detect whether an update statement actually changed any data, that would be interesting to know.