Oracle chm Help File Download

[Q] How to query special characters, such as wildcards % and _
[Q] how to insert single quotes to database tables
[Q] how to set transaction consistency
[Q] How to Use the cursor to update data
[Q] How to customize exceptions
[Q] convert decimal to hexadecimal
[Q] Can I introduce the detailed usage of SYS_CONTEXT?
[Q] How do I obtain the day of the week and use other date functions?
[Q] Question about random extraction of the First N records
[Q] extract records from N rows to M rows, such as records from 20 rows to 30 rows
[Q] how to extract duplicate records
[Q] How to set autonomous transactions
[Q] How to pause a specified time during the process
[Q] How to quickly calculate the transaction time and log volume
[Q] how to create a temporary table
[Q] how to execute DDL statements in PL/SQL
[Q] How to get an IP address
[Q] How to encrypt the Stored Procedure
[Q] How to regularly run stored procedures in ORACLE
[Q] How To Get milliseconds from the database
[Q] Can I insert an update if it does not exist?
[Q] How to Implement left, right, and outer connections
[Q] how to insert a record into multiple tables based on conditions
[Q] how to convert rows and columns
[Q] How to obtain the first N records in a group?
[Q] how to merge adjacent records into a record
[Q] How to obtain the nth value in a column?
[Q] How to output the query content to text
[Q] how to set the caller permission for a stored procedure
[Q] How do I execute OS commands in the SQL * PLUS environment?
[Q] How to quickly obtain the number of records for each table or table partition under a user
[Q] how to send emails in Oracle
[Q] How to Write OS files in Oracle, such as logs?