Examlex
One of the user naming restrictions in Oracle is that a user name cannot be identical to a keyword,such as TABLE or INDEX.
Chlorine
A chemical element with symbol Cl and atomic number 17, a yellow-green gas at room temperature, widely used in water purification, in disinfectants, and in the production of various chemicals.
Sodium
A chemical element with the symbol Na, known for its high reactivity and essential role in biological systems, especially in nerve impulse conduction.
Covalent
Pertaining to chemical bonds formed by the sharing of one or more pairs of electrons between atoms.
Ionic
Relating to ions; typically describes chemical bonds formed between atoms when electrons are transferred, resulting in charged particles.
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