How do I insert multiple records with a cursor?

How do I insert multiple records with a cursor?

DECLARE excruciatingly_slow CURSOR LOCAL STATIC READ_ONLY FORWARD_ONLY FOR SELECT 1 –this is just a sample, your query (which you might want to supply) will differ UNION ALL SELECT 2; OPEN excruciatingly_slow; FETCH NEXT FROM excruciatingly_slow INTO @num — other variables ; WHILE @@FETCH_STATUS > -1 BEGIN — Do …

Can we use insert statement in cursor?

The Insert cursor simply inserts rows of data; it cannot be used to fetch data. To create an Insert cursor, you associate a cursor with a restricted form of the INSERT statement. The INSERT statement must include a VALUES clause; it cannot contain an embedded SELECT statement.

How can you insert a new record in table Department?

4.1. Inserting a New Record

  1. Problem. You want to insert a new record into a table.
  2. Solution. Use the INSERT statement with the VALUES clause to insert one row at a time: insert into dept (deptno,dname,loc) values (50,’PROGRAMMING’,’BALTIMORE’)
  3. Discussion.

How do I add data to an existing table in SQL?

To insert a row into a table, you need to specify three things:

  1. First, the table, which you want to insert a new row, in the INSERT INTO clause.
  2. Second, a comma-separated list of columns in the table surrounded by parentheses.
  3. Third, a comma-separated list of values surrounded by parentheses in the VALUES clause.

What do you need to consider when you make a table in SQL?

1) Make sure the column datatypes are the smallest necessary to comfortably fit the data. 2) Make sure you use date columns for dates, integer type columns for whole numbers that might have math done to them, VARCHAR when data width will vary, and NVARCHAR if you need to store more than one language.

How do I get a list of triggers in SQL Server?

You can use the sys. triggers system catalog view to get a list of all triggers in a database. This view returns all triggers with a type of TR (SQL DML trigger) or TA (Assembly (CLR) DML trigger). It returns both DML trigger names and DDL trigger names (unlike the next option, which only returns DML triggers).

Which command will return a list of triggers in MySQL?

7.40 SHOW TRIGGERS Statement. SHOW TRIGGERS lists the triggers currently defined for tables in a database (the default database unless a FROM clause is given). This statement returns results only for databases and tables for which you have the TRIGGER privilege.

How can you list all columns for a given table?

To list all columns in a table, we can use the SHOW command.

How can I get column details of a table in SQL?

Using the Information Schema


How can I see all columns in a table in MySQL?

The more flexible way to get a list of columns in a table is to use the MySQL SHOW COLUMNS command. As you can see the result of this SHOW COLUMNS command is the same as the result of the DESC statement. For example, the following statement lists all columns of the payments table in the classicmodels database.

How can I see table attributes in MySQL?

  1. DESC table_name.
  2. DESCRIBE table_name.
  3. SHOW COLUMNS FROM table_name.
  4. SHOW create table table_name;
  5. EXPLAIN table_name.

How do I select a specific row in a table in MySQL?

MySQL SELECT statement is used to retrieve rows from one or more tables. The statement can also include UNION statements and subqueries. SELECT statement is used to fetch rows or records from one or more tables.

How do I see all columns in a database?

You can use following query to list all columns or search columns across tables in a database. USE AdventureWorks GO SELECT AS table_name, SCHEMA_NAME(schema_id) AS schema_name, AS column_name FROM sys. tables AS t INNER JOIN sys. columns c ON t.

How do you check if a column is used in any stored procedure?

One option is to create a script file. Then you can select all the stored procedures and generate the script with all the sps. So you can find the reference from there. You can use the system views contained in information_schema to search in tables, views and (unencrypted) stored procedures with one script.

How do I view a table in a database?

To get a list of the tables in a MySQL database, use the mysql client tool to connect to the MySQL server and run the SHOW TABLES command. The optional FULL modifier will show the table type as a second output column.

How do you find out which package procedure is updating a table?

Other things you can do are:

  1. look at the dependencies views e.g. ALL_DEPENDENCIES to see what packages/triggers etc. use that table. Depending on the size of your system that may return a lot of objects to trawl through.
  2. select distinct type, name from all_source where lower(text) like lower(‘%mytable%’);

How do I view tables in SQL Developer?

To view table data:

  1. In SQL Developer, search for a table as described in “Viewing Tables”.
  2. Select the table that contains the data.
  3. In the object pane, click the Data subtab.
  4. (Optional) Click a column name to sort the data by that column.
  5. (Optional) Click the SQL subtab to view the SQL statement that defines the table.

Why can’t I see tables in Oracle SQL Developer?

Post updated November 12, 2018. The answer is simple – you can’t see any tables, because you don’t OWN any tables.

How do I find a particular column name in all tables in Oracle?

select table_name from all_tab_columns where column_name = ‘PICK_COLUMN’; If you’ve got DBA privileges, you can try this command instead: select table_name from dba_tab_columns where column_name = ‘PICK_COLUMN’; Now if you’re like me, you may not even know what the column you’re searching for is really named.

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